But there are advantages and disadvantages to most things, including the greater use of renewable energy. In this article, we take an in-depth look at both the pros and cons. Before we get into the main meat of the arguments, let’s take a quick look at what is meant by the phrase ‘renewable energy.’

The Meaning of the Phrase ‘Renewable Energy’

Renewable energy can be described as the energy generated by renewable resources that are replenished naturally and sustainably over time. While fossil fuels are finite and, when used, have a damaging effect on the environment, sources of renewable energy are not only abundant, but they don’t produce harmful emissions. Considered to be a vital component of the initiative to address climate change, the use of renewable energy lowers our dependency on fossil fuels.

Let’s now analyse the pros and cons of the various sources of renewable energy, starting with solar.

Renewable Solar Energy

Generated by the sun’s ongoing nuclear fission activity, solar energy is deemed to be easily the most abundant energy source available to humankind. Solar-generated light and heat can be collected in various ways. They include:

• Photovoltaics: Solar panel technology.
• Concentrated solar power (CSP): This technology utilises lenses and mirrors using solar furnaces incorporated in solar power towers, parabolic troughs, and Fresnel reflectors.
• Solar architecture: Passive solar technology is typically used in the design of a building, incorporating things like cool roofs, green roofs and radiant barriers.

The form of solar energy with which most of us are familiar is that collected by photovoltaic solar panels. The largest solar panel farm on the planet is the Golmud Solar Park in China. It comprises around 7 million solar panels, with a total capacity of 2.8 GW – due to be expanded to 15 GW in the next five to six years – enough to power 16 million homes in the UK.

But clean as they are in terms of generating electricity, making the panels has its drawbacks. The process requires caustic chemicals like sodium hydroxide and hydrofluoric acid, and the manufacturer uses water as well as electricity, the production of which involves the emission of greenhouse gases. It also produces waste. These problems could, to a degree, undercut solar’s ability to combat climate change and reduce environmental toxins.

Renewable Wind Energy

Harnessing the power of the wind is one of the fastest-growing sources of renewable energy.

When the wind blows, the blades of wind turbines are driven around, powering a turbine that, in turn, generates electricity. The stronger the force of the wind, the more electricity gets produced.

The Jiuquan Wind Power Base in China is the world’s largest wind farm. It is planned to have a capacity of 20GW. Also known as Gansu Wind Farm, it will comprise 7,000 wind turbines installed across the Jiuquan, in Inner Mongolia, and the Hebei, Xinjiang, Jiangsu and Shandong provinces of Gansu. The target is to generate 200 GW of wind-sourced electricity.

There is no doubt that wind turbines are a significant step forward in the fight to reduce fossil fuel consumption. But these huge constructions require hundreds of tons in terms of materials, including concrete, copper, fibreglass steel and other products such as the dysprosium and neodymium used in the manufacture of the permanent magnets they incorporate. In many instances, the steel is produced by combusting metallurgical coal with mining implications and CO2 emissions as it burns.

The saving grace is that all this bad stuff is front-loaded at the manufacture and installation stages. Operationally, unlike fossil fuels, they operate cleanly as they generate energy. But once they are decommissioned, there are concerns to address.

The blades are made of carbon fibre and fibreglass composites held together with plastics, which are all difficult to recycle. Wind farm operators have to upgrade or ‘repower’ their turbines about once every ten years, resulting in piles of old blades that usually end up in landfills.

Renewable Ocean Energy

Being an island surrounded by the sea, the UK can make use of ocean waves and tidal stream energy to generate electricity, and it is much more reliable than wind power. Also, it increases during the winter, when electricity demand is at its highest. Tidal stream energy is also reliable. We have an estimated 50% of the total energy resource available to Europe. A 2004 study put the estimated resource at around 16 TW per hour per annum. The disadvantage of this source of renewable energy is the high initial cost and ongoing maintenance costs.

Renewable Hydropower Energy

Hydropower energy harnesses the kinetic energy produced by moving water. Water is stored and collected in the dam, and the flow of the powerful waterfall that passes across the dam drives turbines, which in turn produce electricity.

The advantage of the energy produced by hydropower is that it is a clean renewable source with no emissions. On the downside, the costs of building a dam are significant, and they sometimes create social damage if residents have to be moved and rehoused.

Other disadvantages include the potential disruption to the natural environment and fish populations, plus supply problems during times of prolonged drought.

Nuclear Power Energy

Energy from nuclear power stations remains a controversial topic. Here in the UK, we generate 15% of the nation’s electricity from nine plants – two in Hartlepool, four in Heysham, one at Sizewell, and two in Torness. Two more are undergoing construction in Hinckley Point and are expected to go live in 2028.

The disadvantages of nuclear power are the potential hazards of radiation leaks, meltdown, and radioactive fuel waste.

Renewable Geothermal Energy

Geothermal energy uses natural heat from below the surface of the Earth. Geothermal energy plants have a low carbon footprint, emit minimal greenhouse gases, and are not dependent on the weather. They also have a smaller footprint than most other types of power plants.

However, they cannot be built just anywhere. Ideally, sites should be adjacent to tectonic plate boundaries or hot spots. These types of power plants have expensive build costs due to the depth of drilling required to access geothermal reservoirs.

Renewable Hydrogen Energy

Green hydrogen has the potential to be a vital enabler of the planet’s transition to sustainable energy and meeting net zero emission targets. Up until now, the major drawback of hydrogen energy has been its extremely high production costs. But that could change.

The U.N. has announced its Green Hydrogen Catapult, describing how it is almost doubling its target for the availability of green electrolysers from the current 25 GW to 45 GW by 2027. The UAE is also upping its game, stating that by 2030, it aims to hold one-quarter of the worldwide green hydrogen market. Japan, too, is joining the race and has announced it will be investing some $3.4 billion in the research and development of green hydrogen fuel.

Green Spins: Merging Renewable Energy Values with Eco-Friendly Casino Entertainment

While the connection between renewable energy and free spins may seem unconventional, both concepts share a common thread of positive impact. Just as renewable energy strives to reduce environmental harm and promote sustainability, free spins in online casinos offer players an eco-friendly way to enjoy gaming without the need for deposits.

In the realm of renewable energy, the focus is on harnessing clean sources to combat climate change. Conversely, free spins, especially those that can be found on platforms like https://www.slotozilla.com/uk/free-spins, provide players with an environmentally friendly gaming experience. These spins, requiring no deposits, align with the sustainable ethos by minimising financial investments while maximising entertainment.

In essence, the synergy between renewable energy and free spins lies in promoting responsible and eco-conscious choices. Just as adopting renewable practices contributes to a greener planet, opting for free spins allows gaming enthusiasts to indulge in entertainment responsibly. Together, they represent a harmonious balance between enjoyment and environmental awareness.

Conclusion

Despite the many drawbacks of the various sources of renewable energy, there is no doubt it has far more benefits than continuing the use of fossil fuels. The biggest drawback to reaching the goal of zero emissions remains us – humankind. Sure, there are legitimate arguments about unemployment and the rising cost of living, but until we are prepared to bite the bullet fully, we are getting dangerously close to passing the point from which there is no going back. It’s got to be – go renewable or face dire consequences.

The post The Pros and Cons of Renewable Energy appeared first on Aswarm.

The Universal Impact of AI: A Cross-Industry Revolution

AI’s emergence as a versatile tool has redefined the operational landscapes of multiple industries:

• Healthcare
• Finance
• Retail
• Manufacturing
• Transportation and logistics
• Technology and communications
• Entertainment and media
• Education
• Agriculture
• Energy and utilities
• Real estate

Its capacity to process and analyse vast amounts of data has revolutionised sectors like healthcare, where AI assists in disease diagnosis and treatment planning. AI’s application in imaging and genomics is significantly advancing personalised medicine. In finance, AI-driven algorithms improve fraud detection and enhance customer service by automating tasks and providing insights for investment strategies. AI’s ability to identify patterns in financial data also aids in predicting market trends, further optimising financial planning and risk management.

AI’s Influence on Online Casinos and Renewable Energy

The kingdom of online entertainment, particularly in online casinos, also witnesses AI’s profound impact. Here, AI plays a crucial role in creating personalised gambling experiences and enhancing user engagement. For instance, in the UK’s online casino scene, platforms offering free spins no deposit casino UK may leverage AI to tailor these promotions by offering bonuses of different values and specific games based on player habits. This application of AI in online casinos underscores its potential in managing complex systems – a quality essential in the intricate world of renewable energy.

Moreover, AI’s role in these casinos extends to responsible gaming initiatives, where it helps monitor and prevent problematic gambling behaviours. This aspect of AI, focused on ethical and responsible usage, resonates deeply with the ethos of renewable energy sectors. Just as AI is employed to ensure fair and secure gaming experiences in renewable energy, it’s used to promote sustainable and efficient energy utilisation.

AI’s transformative power is evident in every sector, from healthcare to agriculture. However, its application in renewable energy stands as a testament to its potential in addressing some of the most pressing challenges of our times. The technology not only enhances operational efficiency but also contributes significantly to the global effort to combat climate change.

How AI Optimises Renewable Energy Systems

Integrating AI into renewable energy systems marks a significant leap toward sustainability and efficiency. Renewable energy sources like solar, wind, and hydro are inherently variable and somewhat unpredictable — AI steps in to address these challenges. AI’s role in renewable energy is pivotal, profoundly impacting several key areas:

1. Predictive maintenance in wind turbines
2. Solar energy optimisation
3. Smart grid management
4. Energy demand forecasting
5. Optimisation of hydropower
6. Renewable energy resource assessment
7. Battery storage optimisation
8. Lifecycle management of renewable assets
9. Integration of distributed energy resources

Predictive Maintenance in Wind Turbines

AI algorithms are revolutionising how we maintain wind turbines. These algorithms can accurately predict potential failures by analysing data from sensors on turbines, facilitating proactive maintenance. This not only reduces maintenance costs but also maximises turbine availability and efficiency. The implications are significant; fewer unexpected downtimes and longer lifespans for turbines mean more consistent and reliable wind energy production.

Solar Energy Optimisation

In solar energy, AI’s contribution is equally transformative. AI models are adept at predicting solar irradiance – the amount of sunlight reaching the earth’s surface. By accurately forecasting sunlight availability, these models enable smarter, more adaptive management of solar panels. This optimisation ensures that solar panels operate at peak efficiency throughout varying weather conditions, significantly boosting overall energy production. The result is a more robust and dependable solar energy network, crucial in the global shift towards renewable sources.

Smart Grid Management

One of AI’s most critical applications in renewable energy is smart grid management. AI’s ability to analyse and predict energy supply and demand patterns is pivotal in effectively integrating renewable energy sources into the power grid. Given the intermittent nature of renewable sources like wind and solar, this integration is far from straightforward. AI helps manage these complexities, ensuring energy distribution is balanced, efficient, and responsive to changing conditions. By doing so, AI enhances grid stability and plays a vital role in maximising the use of renewable energy and reducing reliance on fossil fuels.

Energy Demand Forecasting

AI algorithms are exceptionally skilled at predicting energy demand patterns. AI can accurately forecast energy requirements by analysing historical data and considering variables like weather, time of day, and economic activity. This forecasting is crucial for balancing the load on the grid, especially in systems with a high proportion of renewable energy sources.

Optimisation of Hydropower

AI can be used to optimise the operation of hydropower plants. By analysing river flow data, weather forecasts, and energy demand, AI algorithms can determine the most efficient times to store and release water, maximising energy production while minimising environmental impact.

Renewable Energy Resource Assessment

AI helps assess potential sites for renewable energy projects, such as wind or solar farms. By processing data from satellite imagery, weather patterns, and geographical information, AI can identify optimal locations for new installations, enhancing the overall efficiency of renewable energy expansion.

Battery Storage Optimisation

As battery storage becomes more integral to renewable energy systems, AI’s role in optimising charge and discharge cycles becomes crucial. AI can manage the storage of surplus energy and its release during peak demand periods, maximising the utility of renewable energy and reducing dependence on non-renewable sources.

Lifecycle Management of Renewable Assets

AI aids in the entire lifecycle management of renewable energy assets, from design and construction to decommissioning. It can predict when components need to be replaced or upgraded, ensuring that renewable energy systems operate at peak efficiency throughout their lifespan.

Integration of Distributed Energy Resources

AI plays a vital role in integrating distributed energy resources (DERs), such as residential solar panels or small wind turbines, into the larger grid. AI helps balance and manage these diverse energy inputs, ensuring stable grid operation.

These AI applications elevate the efficiency and reliability of renewable energy systems and are fundamental in reducing the global carbon footprint. AI is at the forefront of environmental conservation efforts by enabling more effective and sustainable energy solutions, proving essential in the fight against climate change. Here’s a summary table outlining the applications of AI in various aspects of renewable energy and how AI is utilised in each area:

Conclusion

As we’ve explored, the role of Artificial Intelligence in optimising renewable energy systems extends far beyond mere operational efficiency. It embodies a pivotal shift in harnessing, managing, and envisioning our energy future. The global initiatives in employing AI — from Europe’s smart grids to China’s vast solar and wind farms — demonstrate a collective movement towards a more sustainable, AI-integrated future.

Moreover, the potential future trends of AI, including its integration with energy storage systems, energy trading, and electric vehicle networks, open up exciting possibilities for even greater efficiency and sustainability. AI’s ability to predict, optimise, and innovate transforms renewable energy and sets the stage for a more resilient, efficient, and environmentally friendly energy landscape.

AI is a crucial ally in our quest to combat climate change and transition to renewable energy sources. It is an enabler and a catalyst for a sustainable energy revolution. As we continue to push the boundaries of what AI can achieve, its role in renewable energy systems is a shining example of technology and sustainability working hand in hand. The future of renewable energy, underpinned by AI, promises a cleaner, greener, and more sustainable world for future generations.

The post The Role of Artificial Intelligence in Optimising Renewable Energy Systems appeared first on Aswarm.

The Rise of Renewable Energy

Solar Power

Solar power, derived from harnessing the sun’s rays, has experienced an extraordinary surge in adoption. The decreasing expenses associated with solar panels and the continuous advancements in photovoltaic technology have significantly enhanced the feasibility of solar energy, rendering it an increasingly attractive choice for both residential and commercial applications.

Wind Energy

Wind turbines, proudly gracing landscapes across the globe, serve as iconic symbols of the wind energy revolution. By capturing the kinetic energy of the wind and converting it into electricity, this renewable energy source has witnessed substantial expansion, especially in areas blessed with ample wind resources.

Challenges in Integration

Intermittency

The inherent intermittency of renewable energy sources stands as a primary hurdle to their seamless integration. Unlike conventional power sources that maintain consistent output, the availability of sunlight and wind fluctuates, resulting in irregularities in energy production. To overcome this unpredictability and ensure a continuous energy supply, innovative solutions are imperative.

Grid Management

The existing power grid infrastructure was designed around centralised fossil fuel power plants. Integrating decentralised renewable sources requires a fundamental shift in grid management strategies to accommodate the fluctuating nature of these resources.

Storage Solutions

Efficient energy storage is the linchpin to overcoming the intermittency hurdle. Advancements in battery technology and the development of grid-scale energy storage solutions are pivotal in ensuring a consistent power supply.

Technological Innovations

Advanced Grid Systems

The integration of renewable energy necessitates the evolution of grid systems. Smart grids, equipped with advanced monitoring and control capabilities, enable real-time adjustments to match energy supply with demand.

Battery Technology

Breakthroughs in battery technology have revolutionised energy storage. Lithium-ion batteries, along with emerging technologies like solid-state batteries, are pushing the boundaries of energy density and storage capacity.

Smart Grids

Smart grids, equipped with digital communication technology, facilitate seamless coordination between energy producers and consumers. This intelligent network enables efficient energy distribution and demand response.

Policy and Regulation

Government policies and regulations wield significant influence in moulding the energy landscape of our modern world. Their multifaceted impact encompasses a wide array of aspects and is pivotal in orchestrating the shift towards cleaner and more sustainable energy sources. These encompass, but are by no means limited to, incentives geared towards promoting the adoption of renewable energy solutions, the establishment of ambitious emissions targets, and the enforcement of stringent regulations aimed at curbing carbon emissions. Each of these facets, in its own unique way, plays an instrumental role in fostering the transition towards a greener, more environmentally conscious energy paradigm.

Community Engagement

Ensuring active community involvement in the transition to renewable energy sources is of paramount importance. This engagement encompasses a multifaceted approach, encompassing educational initiatives, the establishment of community-owned renewable projects, and the facilitation of transparent communication. Together, these elements serve as fundamental pillars for nurturing a profound sense of ownership and garnering robust support for the renewable energy transition.

Economic Considerations

The practicality of renewable energy has solidified into a tangible and sturdy fact. This shift is emphasized by the diminishing expenses linked to renewable technologies, which, in conjunction with the lasting benefits of reduced environmental impact, firmly position renewable sources as exceptionally competitive alternatives for energy generation in economic terms.

Environmental Impact

The environmental benefits of renewable energy are profound. Reduced greenhouse gas emissions, cleaner air, and a diminished reliance on finite resources all contribute to a healthier planet.

Success Stories

Germany’s Energiewende

Germany’s Energiewende, or energy transition, is a shining example of a nation’s commitment to renewable energy. Through a combination of policy support, technological innovation, and community engagement, Germany has made significant strides in transitioning to a renewable-powered future.

Denmark’s Wind Power

Denmark stands as a global leader in wind power. Ambitious wind energy projects, coupled with a robust grid infrastructure, have allowed Denmark to achieve impressive milestones in renewable energy generation.

California’s Solar Initiatives

California’s sunny climate has provided an ideal backdrop for the proliferation of solar energy. State initiatives and policies have spurred widespread adoption, making California a trailblazer in solar energy integration.

Global Collaboration

Addressing the challenges of integrating renewable energy is a global endeavor. Collaboration between nations, knowledge sharing, and joint research efforts are imperative in accelerating the transition towards a sustainable energy future.

The Road Ahead

As we navigate the complexities of integrating renewable energy sources, it is evident that the path to a sustainable future is paved with innovation, collaboration, and unwavering commitment. The challenges we face today are opportunities for tomorrow, and together, we have the power to shape a cleaner, brighter world.

Conclusion

The integration of renewable energy sources is not without its hurdles, but it is a journey well worth embarking upon. With technological advancements, supportive policies, and global collaboration, we have the tools at our disposal to overcome these challenges and forge a sustainable future for generations to come.

The post Powering the Future: Overcoming Challenges in Integrating Renewable Energy Sources appeared first on Aswarm.

The Current Energy Landscape in Hong Kong

As of today, Hong Kong relies heavily on non-renewable sources like coal and natural gas for its energy, historically powering the city’s needs but causing environmental issues. Currently, less than 2% of its energy is from renewables, emphasising the urgent shift towards cleaner energy to combat pollution and emissions.

As Hong Kong grows, addressing these environmental concerns alongside energy demands is a complex challenge. It necessitates strategic investment in renewable energy infrastructure and technologies, marking a vital step towards a greener and more sustainable energy landscape.

Progress Towards Renewable Energy

The good news is that Hong Kong has been making notable strides in transitioning to renewable energy sources. In recent years, there has been a significant increase in solar power installations across the city. Rooftop solar panels, solar farms, and innovative projects have contributed to this upward trend.

Solar Power in the Concrete Jungle

Despite its dense urban environment and the popularity of Hong Kong betting sites, Hong Kong effectively harnesses solar power through installations on skyscrapers and open spaces. These projects demonstrate renewable energy’s viability in urban areas, reducing the city’s carbon footprint and inspiring others. Hong Kong’s commitment to sustainability and innovation shines through these solar initiatives, showcasing that even amid towering buildings, clean energy can seamlessly integrate. This not only promotes a greener future for the city but also inspires global urban centers to pursue similar renewable energy solutions, collectively combating climate change and reducing fossil fuel dependence.

Wind Energy Potential in Hong Kong

Hong Kong’s coastal location and favorable winds make it ideal for wind energy. Multiple projects, focused on harnessing the South China Sea breeze, are in planning and development. This aligns with China’s growing offshore wind power trend, leveraging abundant coastal wind resources. Policies and strategies promote effective renewable energy utilization.

These projects promote cleaner energy and support global climate efforts by reducing fossil fuel dependence. They also highlight Hong Kong’s dedication to renewable energy and its potential as a sustainable urban development leader.

Challenges in Scaling Renewable Energy

While progress is evident, scaling up renewable energy in Hong Kong is not without its challenges. Financial barriers, technical limitations, and regulatory complexities often slow down the transition.

Energy Efficiency Measures

To boost renewable energy adoption, there’s a growing focus on improving energy efficiency. Innovative technologies and conservation efforts are actively reducing energy use, notably in buildings and industries. Research highlights the role of technology ownership in adopting these measures, especially in residential areas. 

The Role of Public Awareness

Public support and awareness are pivotal in Hong Kong’s renewable energy journey. Educational campaigns and initiatives, such as waste reduction and improved information systems, drive sustainable practices. Entities like HK Electric actively engage the community in building a greener and more sustainable Hong Kong. These efforts emphasise the role of education and public engagement in the quest for renewable energy.

International Cooperation

Hong Kong collaborates with neighbouring regions in its renewable energy efforts, promoting knowledge exchange and shared solutions. This aligns with global calls for international cooperation to address climate change and promote alternative energy sources. Such collaborations help advance renewable energy’s role in sustainable development, particularly among energy providers. These global partnerships emphasise the importance of collective efforts in achieving sustainable energy goals.

Policy Recommendations

To expedite the transition to renewable energy, policymakers can employ various strategies. These include implementing incentives, streamlining regulations, and increasing funding for renewable sources like hydropower, wind, solar, and geothermal energy. Sustainable energy policies, emphasising incentives, streamlined regulations, and funding, play a pivotal role in this transition. Policymakers must also acknowledge that this transition necessitates ambitious policy support and investments to create jobs in the renewable energy sector.

The Economic Aspect

Apart from environmental benefits, renewable energy also holds economic promise for Hong Kong. By investing in renewable technologies, the city can create jobs, reduce energy costs, and bolster its position as a sustainable business hub.

Case Studies

Numerous Hong Kong businesses have adopted renewable energy solutions, as evident from various case studies offering insights into their economic viability and positive impacts. These studies, despite the challenges posed by Hong Kong’s urban environment, highlight the potential of solar, wind, and waste-to-energy solutions. Research extends beyond Hong Kong, examining solar integration in European cities and the willingness to adopt renewables in Western China. Together, these case studies emphasise the importance of renewable energy adoption, informing policies, and promoting sustainability locally and globally.

The Way Forward

Hong Kong’s renewable energy journey is a mix of progress and challenges. The city has shown remarkable determination in transitioning towards cleaner energy sources, but there is still much work to be done. With the right policies, public support, and international collaborations, Hong Kong can continue on its path towards a greener and more sustainable future.

The post Hong Kong’s Renewable Energy Quest: Progress and Challenges appeared first on Aswarm.

We put this guide together with Kara Johnson CEO of PaydayBears, a leading provider of cash advance online loans to customers. He guaranteed us that borrowing loans is easy with the company, as clients don’t have to worry about poor credit or bad credit scores.

So, if you need financial aid to help plan home renewable energy systems, you might as well get to it with this assurance. Let’s talk about how to plan on a friendly budget here.

Below are some expert tips to keep in mind while planning for home renewable energy systems.

Discover Electricity Needs

Getting a home renewable energy system means discovering your electricity needs. You need to calculate this factor to get the most appropriate home technology effectively. In fact, it will help in determining the device’s size and energy usage.

A proper way to discover electricity needs is to perform a load analysis using the Watt-recording method. It involves measuring how much power is consumed when all devices (or electrical appliances) are connected to your home’s central power source. Find out those that remain connected for longer and those that are only plugged in short-term. The former is a non-selectable load, while the latter is a selectable load.

If you’ve recorded these parameters (wattage), you can discover how much electricity is consumed per the hours used daily. Whatever data you get, you can buy an energy system that meets electricity needs equivalent (or less) to selectable loads. 

Understand Local Community Requirements and Codes

After you understand how much electricity you will need to power the renewable energy system, you should also find out your local community’s requirements and codes. Every county or state has a list of conditions that must be met to use a home energy system. These conditions or requirements include a specific energy limit and the installation procedure. There are also some building codes to follow – you can always check with a building office to know these requirements.

And to ensure that people comply with these standards, local counties have electrical inspectors to verify building safety. They inspect buildings occasionally. A good renewable device for homes will always meet the National Electrical Code (NEC) systems’ technical standards. 

Choose a Good Renewable Energy Technology

Another factor to consider is the specific renewable energy technology. This criterion comes after discovering your building’s system requirements and electricity needs. Renewable energy systems could be solar, wind, hydropower, or hybrids. Depending on your needs, you should select a good option, especially after understanding how it works and the maintenance cost.

Since you are on a budget, you should only choose affordable but effective options online. You could even choose from brands that provide additional services, such as installation and maintenance, to save costs. Check out online reviews about home renewable energy technology brands and affirm they are perfect. 

The System’s Connection

The system’s connection is also important when choosing renewable energy technology. It simply involves how you choose to connect the device for use.

For instance, there are two main types – a stand-alone (or off-grid) and a grid connection system. The former connects the renewable device to an alternative electricity source, while the latter connects to a power grid.

Most people opt-in for grid connection because it allows them to sell additional power to their electricity provider. The only con is that electricity transmission often requires a balance-of-system component (such as a controller or a battery). 

As long as you remember these tips, you shouldn’t have a problem planning for a budget-friendly home renewable energy system.

The post Planning for Home Renewable Energy Systems On A Budget appeared first on Aswarm.

Energy consumption has rapidly increased since the 1950s, notably due to economic development, advancement of technology, and an increase in population.

The world’s population is estimated at 8 billion compared to 2.5 billion people in 1950.

Global energy consumption in 2021 was about 176,431 terawatt-hours compared to the 28,564 terawatt-hours consumed in 1950. A report by Economic Intelligence (EIU) predicted it to grow further by 1.3% in 2023.

The increase in energy consumption and the resulting climate risk have raised concerns across nations. Renewable power, a low-carbon source, has been discovered to be a better source of power generation as it is environmentally friendly.

What Is Renewable Energy?

Renewal energy is derived from replenishable natural sources. The rate at which the energy is consumed is usually lower than the rate it is replenished hence causing no harm to nature.

Sources of renewable energy;

• Solar energy (the most abundant)
• Wind energy
• Ocean energy
• Bioenergy
• Geothermal energy
• Hydropower

What Other Power Generation Alternatives Are Available?

Generally, energy sources are divided into three: fossil fuels, natural gas, and renewable energy.

As of 2020, only 12% of the global energy is from renewable energy. Nuclear energy, another low-carbon source, accounts for only 4%, while fossil fuels account for the remaining 84%.

Fossil fuels

Fossil fuels are hydrocarbon-containing materials formed from the remains of ancient organisms. They generate the most energy consumed globally. Also, based on availability, their power generation percentage varies from country to country.

The most common fossil fuels include;

Coal

It is one of the most used energy sources globally and the second-largest energy source for U.S. electricity generation in 2021, according to the U.S. Energy Information Administration (IEA). Power generated from coal in the U.S. was about 22%.

Natural gas

Natural gas accounts for about 30% of the energy used in the U.S., with 40% used in electric power production and the remaining split between residential and commercial uses like cooking and heating.

Oil

According to the International Energy Agency (IEA), oil is the most used energy source in the world as of 2019. It accounts for about 40.4% of total final consumption by source.

Nuclear energy

Nuclear energy, also called atomic energy, is released from the nucleus, the core of atoms. The nucleus comprises protons and neutrons.

The energy is produced either by fission or fusion. Fission is when the nuclei of atoms split into several parts, while fusion is when they fuse.

Nuclear energy, like renewable energy sources, is a low-carbon source.

Cost of Renewable Power Generation in 2023

At the time of invention, renewable power generation was considered expensive and not cost-effective compared to other power generation sources despite its numerous benefits.

Factors that contributed to the high cost at the time were;

• Merchant monopoly: Only a few companies worldwide are invested in renewable energy production compared to alternative energy sources. The few companies can change prices at will since there was little to no competition.
• Installation: Compared to alternatives, efficiently installing renewable energy in an urban area is tougher. Unlike giant wind turbines and hydropower dams, factories using fossil fuels can be easily cited close to a bustling metropolis.
• Cost of operation: With the energy-generating plants cited far away from residential areas, it would cost a lot to run wires to distribute the energy generated from these renewable energy sources.

However, this has changed, notably due to the increased use of solar power generation, which is easier to install and distribute.

Likewise, solar photovoltaic (solar PV) module prices recorded a 90% reduction since 2009, while wind turbine prices have fallen by 49-78% since 2010. 

There is also increased investment in renewable energy as more governmental policies are implemented yearly to tackle climate challenges.

A 2022 report by the International Renewable Energy Agency Renewable (IREA) revealed that renewable energy is the world’s cheapest energy source.

In 2010, electricity generated from solar PV cost an average of $378. This significantly reduced to just $68 in 2019. Similarly, onshore wind costs about $86 in 2010 and tumbled to $53 in 2019.

This trend will continue in 2023 as more industries embrace renewable power generation against non-renewables. Governmental policies will also promote its adoption.

Conclusion

The cost of capital (CoC) for renewable power generation is a key determinant of consumer cost. More research and innovations will undoubtedly reduce the cost of renewable power generation and its usage. 

With an increase in the number of industry players, more competition will invariably reduce the cost charged to consumers.

The post Renewable Power Generation Costs in 2023 appeared first on Aswarm.

If renewable energy technologies are to become a global public good, that is, accessible to all, not just the wealthy, barriers to knowledge sharing and technology transfer, including intellectual property rights barriers, must be removed.

Critical technologies, such as battery systems, allow energy to be stored from renewable sources, such as the sun and wind, and released when people, communities and businesses need power. According to the International Renewable Energy Agency, they help increase the flexibility of the energy system because of their unique ability to quickly absorb, retain and release power again.

In addition, when combined with renewable energy sources, battery technologies can provide a reliable supply of cheaper electricity in isolated grids and in communities from remote areas not connected to the general power grid.

Improved global access to components and raw materials

Reliable supplies of components and raw materials for renewable energy are critical. Greater access to all major components and raw materials, from the minerals needed to build wind turbines and power grids to electric vehicles, will be key.

A significant international coordination effort will be required to expand and diversify production capacity worldwide. In addition, more investment is needed to ensure a just transition, including in human skills training, research and innovation, and incentives to create supply chains based on sustainable practices that protect ecosystems and cultures.

Level the playing field for renewable energy technologies

Global cooperation and coordination are critical, but domestic policy mechanisms need to be reformed as soon as possible to streamline and accelerate renewable energy projects and encourage private sector investment.

The technology, capacity and means to transition to renewable energy exist, but policies and procedures need to be developed to reduce market risk and create conditions and incentives for investment, including by streamlining planning, permitting and regulatory processes, as well as by taking steps to avoid bottlenecks and bureaucratic problems. This could include the allocation of sites for large-scale construction in special renewable energy zones.

Nationally determined contributions – individual country climate action plans focused on reducing emissions and adapting to the effects of climate change – should set renewable energy targets in line with the idea of a 1.5 C warming limit, and the share of renewable energy in global electricity production should increase from the current 29 percent to 60 percent by 2030.

Clear and reliable strategies, transparent processes, public support, and the availability of modern energy transmission systems are key to the early adoption of wind and solar energy technologies.

Shifting energy subsidies from fossil fuels to renewables

Fossil fuel subsidies are one of the biggest financial barriers to switching to renewable energy worldwide. The International Monetary Fund (IMF) claims that about $5.9 trillion was spent on fossil fuel industry subsidies in 2020 alone. This includes direct subsidies and tax credits, and in the form of public health and environmental damage that has not been factored into the cost of fossil fuels. This is roughly equivalent to $11 billion. This equates to about $11 billion per day.

The provision of fossil fuel subsidies is both inefficient and unfair. According to the IMF, in developing countries, about half of the public resources spent to support fossil fuel consumption benefit the top 20 percent of the population.

Shifting subsidies from fossil fuels to renewable energy not only reduces emissions, but also promotes sustainable economic growth, job creation, improved health, and greater equity, especially for the poor and most vulnerable around the world.

Triple investment in renewable energy

By 2030, at least $4 trillion must be invested in renewable energy, including technology and infrastructure. This investment is much smaller than the annual subsidies for fossil fuels.

This investment is far less than the annual subsidies for fossil fuels, but it will pay off. Reducing pollution and climate impacts alone could save the world up to $4.2 trillion per year by 2030. It could save the world up to $4.2 trillion a year by 2030.

The funding is there – commitment and accountability are needed, especially from the global financial systems, including multilateral development banks and other public and private financial institutions, which must align their loan portfolios with the idea of an early transition to renewable energy.

Renewable energy is the only way to real energy security, stable energy prices, and sustainable employment opportunities.

The post Five Ways to Accelerate the Transition to Renewable Energy at This Stage appeared first on Aswarm.

Much of the greenhouse gases that cover the earth and trap solar heat are generated in energy production, where fossil fuels are burned to produce electricity and heat.

Fossil fuels such as coal, oil, and gas are by far the largest contributors to global climate change, accounting for more than 75 percent of global greenhouse gas emissions and nearly 90 percent of all carbon dioxide emissions.

The science is clear that to avoid the worst effects of climate change, we need to cut emissions by nearly half by 2030 and achieve net zero emissions by 2050.

To achieve this goal, we need to end our dependence on fossil fuels and invest in alternative energy sources that are clean, affordable, accessible, sustainable and reliable.

Renewable energy sources, which are abundant around us from the sun, wind, water, waste, and heat of the earth, replenish themselves naturally and emit virtually no greenhouse gases or pollutants into the atmosphere.

Fossil fuels still account for more than 80 percent of the world’s energy production, but cleaner energy sources are gradually gaining ground. About 29 percent of electricity now comes from renewable sources.

Here are five reasons why accelerating the transition to clean energy is the way to a healthy and livable planet for those living today and for future generations.

Renewable energy is all around us

About 80 percent of the world’s population lives in countries that are net importers of fossil fuels – about 6 billion people who depend on fossil fuels from other countries and are therefore vulnerable to geopolitical shocks and crises.

Unlike fossil fuels, renewable energy sources are available in all countries, and their full potential has yet to be tapped. The International Renewable Energy Agency (IRENA) estimates that by 2050, 90 percent of the world’s electricity can and must come from renewable sources.

Renewable energy breaks away from import dependency by enabling countries to diversify their economies and protect them from unpredictable fluctuations in fossil fuel prices, while stimulating inclusive economic growth, job creation, and poverty alleviation activities.

Renewable energy is cheaper

Today, the use of renewable energy is actually the cheapest energy option in most regions of the world. Prices for renewable energy technologies are falling rapidly. Between 2010 and 2020, the cost of electricity from solar panels dropped by 85 percent. The cost of onshore and offshore wind power fell by 56 percent and 48 percent, respectively.

Falling prices make renewables more attractive to everyone, including low- and middle-income countries, which will account for most of the additional demand for new electricity. With lower costs, it is likely that low-carbon sources will account for a significant portion of new electricity supply in the coming years.

By 2030, cheap electricity from renewable sources could provide 65 percent of the world’s electricity supply. This would decarbonize the energy sector by 90 percent by 2050, significantly reducing carbon emissions and helping to mitigate climate change.

The cost of solar and wind power is expected to continue to exceed pre-pandemic levels in 2022 and 2023 due to general increases in commodity and transportation prices, but the International Energy Agency (IEA) argues that their actual competitiveness is improving due to much faster increases in gas and coal prices.

Renewable energy is a healthier alternative

According to the World Health Organization (WHO), approximately 99 percent of the world’s population breathes air with quality parameters that exceed permissible limits and threaten human health, and more than 13 million annual deaths worldwide are attributable to preventable environmental causes, including air pollution.

Harmful levels of fine particulate matter and nitrogen dioxide are primarily due to the burning of fossil fuels. In 2018, air pollution from fossil fuels resulted in health and economic costs of $2.9 trillion. This corresponded to an estimated $8 billion in health and economic costs. That’s about $8 billion per day.

Thus, switching to clean energy sources, such as wind and solar, helps address not only climate change, but also air pollution and declining public health.

Renewable energy creates jobs

Every dollar invested in renewable energy creates three times as many jobs as investments in the fossil fuel industry. The IEA estimates that a transition to net zero emissions would result in an overall increase in energy sector jobs: by 2030, about 5 million jobs could be lost in the fossil fuel industry, while about 14 million jobs would increase in the clean energy industry, resulting in a net gain of 9 million jobs.

In addition, energy-related industries will require an additional 16 million workers, such as new roles in electric vehicles and super-efficient appliances or innovative technologies such as hydrogen technology. This means that by 2030, a total of more than 30 million jobs could be created in the areas of clean energy and high-efficiency, low-emission technologies.

Organizing a just energy transition that puts people’s needs and rights first will be paramount to ensure that no one is left behind.

Using renewable energy is economically feasible

In 2020, about $5.9 trillion was spent to subsidize the fossil fuel industry. This includes direct subsidies and tax credits and the damage to public health and the environment that has not been factored into the cost of fossil fuels.

By comparison, about $4 trillion needs to be invested in renewable energy, including technology and infrastructure, by 2030. The cost would be about $4 trillion per year to achieve net zero emissions by 2050.

The initial costs may seem prohibitive for many resource-limited countries, and a significant number of them will need financial and technical support to make the transition. But investing in renewable energy will pay off. Reducing pollution and climate impacts alone could save the world up to $4.2 trillion per year by 2030. It could save the world up to $4.2 trillion per year by 2030.

In addition, efficient and reliable renewable energy technologies can create a system less susceptible to market shocks and increase resilience and energy security by diversifying energy supplies.

The post Renewable Energy – Securing a Safer Future appeared first on Aswarm.

But then a quiet revolution took place before our eyes. For 10 years the cost of energy from renewable sources has fallen by several times and became equal to conventional energy (and even lower!), while the price of energy from fossil fuels has remained at about the same level, and in the case of nuclear energy, on the contrary, has increased.

Price as a determining factor

Today, fossil fuels – coal, oil, and gas – account for about 79 percent of the world’s energy production.

Fossil fuels contribute 87% of the global CO2 emissions, endangering not only our descendants, but the entire biosphere. And it is responsible for the deaths of many people today: 3.6 million people worldwide die each year from these emissions. That is six times more than deaths from murder, wars, and terrorist attacks combined.

Obviously, alternatives to fossil fuels, such as renewables and nuclear power, are orders of magnitude safer and cleaner.

But why then does the world economy still rely on fossil fuels?

The answer is simple: the reason is that this type of fuel has long been the cheapest. Cheaper than all other energy sources. This is why coal still provides 37% of the world’s electricity today. In second place is gas (24%). And together they are the largest source of greenhouse gas emissions, producing 30% of global emissions.

Over the last 10 years nuclear power has become more expensive, gas has become cheaper, and the price of coal has remained almost unchanged. Look at how dramatically the cost of renewable energy has changed recently. Just “yesterday,” 10 years ago, it was much cheaper and more rational to build another coal-fired power plant than to bother with solar or wind generators. “Wind” was 22% more expensive than coal, and “solar” was as much as 223% more expensive.

However, a lot has changed in the past 10 years. In not too distant 2009, electricity from photovoltaics cost $359 per MWh, and now it’s 89% less. And the best part: now, in order to recoup the cost of building a new coal-fired power plant, you will have to charge your end users a higher price for energy than if you were to build a wind or solar power plant of similar capacity.
This is truly a fundamental change – and it has certainly had an impact on the electric power industry. In recent years, wind and solar power have evolved rapidly: in 2019, it was already 72% of all new capacity commissioned.

The fact is that the cost of producing energy from fossil sources (as well as nuclear power) is essentially influenced by two factors:

The cost of the fuel itself;

The operating costs of the power plant.

In contrast, with RES, fuel is “free”: it does not have to be extracted from the ground and transported. And the operating costs are much lower. The main factor determining the cost of RES is the production technology itself.

From Space Prices to Mass Market

Let’s make a little excursion into the past and remember the path of photovoltaics. One of the first references to the cost of solar electricity dates back to 1956. At that time it was $1865 per watt (in 2019 prices and adjusted for inflation). But one watt is nothing. A notional modern solar panel mounted on the roof of a house produces about 320 watts, and at that price in 1956 it would have cost us as much as $596,800. Of course, competitiveness was out of the question here.
But thanks to space research. It enabled the first practical application of solar energy: In 1958, the American satellite Avangard I was equipped with a solar cell. Throughout the 1960s, the space industry remained the main consumer of photovoltaics. Demand grew, so did production, and technology was gradually optimized. As a consequence, the cost of solar modules slowly but steadily declined.

In the 1970s, “space technology” finally came down to earth. The first terrestrial applications of solar panels were attempts to electrify hard-to-reach places, which were too expensive to connect to conventional power grids: lighthouses, railroad crossings. Note that the total global solar power generation at the time was about 0.3 MW. This, of course, was already unheard of progress (compared to 1956, the price had dropped by 94%!), but 0.3 MW – alas, still far from industrial scale.

But in fact, everything was just beginning… While the input of new capacity was growing exponentially – the cost of solar modules was exponentially decreasing. The wider production became, the cheaper the products became, which, in turn, led to even greater production growth – the same economies of scale that we see almost everywhere. Plus, of course, government support helped, which through subsidies was able to lower the price in the early, most expensive stages.

The advances that have made this reduction in the price of solar panels possible are essentially about the entire production process. Facilities have become larger and more efficient; R&D has become more effective; silicon wafer production has improved; raw material extraction has expanded; modules have become stronger and more durable; competition has increased; and capital costs of production have fallen. These and many other large and small improvements formed the overall process that led to a steady decline in production costs.

If we take as a kind of “learning curve” the rate of cost reduction as production doubled, in the case of solar cells it was 20.2%. Manufacturing technology has rapidly become cheaper, and between 1976 and 2019, the cost of batteries fell from $106 to $0.38 per 1 watt produced. A similar exponential change in the “learning curve” is familiar to us from other technologies: the most famous example is the cost of computers (processors) and the famous “Moore’s Law”.

But we are more interested in the prices not of solar panels, but of the electricity they produce. The cost of green electricity decreases exponentially as its production increases. With each doubling of production, the cost per watt decreases by 36% (for solar power) and by 23% (onshore wind power). But energy from offshore wind power plants is still relatively expensive – only a quarter cheaper than nuclear power and slightly more expensive than coal. Nevertheless, experts expect the cost of this type of energy to decrease rapidly in the next few years, primarily due to an increase in the size of turbines and greater utilization due to constant wind.

Thus, the production of electricity from RES shows a dynamic of rapid and steady decline. What about conventional energy?

The global price of coal fell from $111 to $109 from 2010 to 2019, i.e. by only 2% – against a background of 89% cheaper solar and 70% cheaper wind. The stagnation of coal-fired electricity prices over the past 10 years is not surprising. Historically, its cost dynamics never followed a “learning curve”: it was and still is relatively cheap. But it won’t get any cheaper in any serious way. Firstly, modern coal-fired power plants have little room for serious growth in efficiency: the most efficient plants achieve an efficiency of 47%, while the average efficiency is about 33%. Secondly, the price of coal-fired power is largely determined by the cost of raw materials, which accounts for up to 40% of total production costs. Even if the price of erecting coal-fired plants drops significantly and their efficiency increases, the price of fuel will still block the dynamics of cost reduction.

On the contrary, the price of electricity from gas has fallen by 32% to $56 per MWh over the last 10 years. One of the reasons is the reduction of the cost of construction of processing plants. But another reason is much more important: the significant decrease in the price of gas itself as a raw material after the peak in 2008 – including due to the growth in supply with the technology of hydraulic fracturing. However, this drop in the price of raw materials is temporary: the price of gas is actually higher today than it was two or three decades ago. It is unlikely to continue in the future, and there is obviously no “learning curve” to the cost of gas-fired electricity.

Nuclear power, in general, has become more expensive, and this trend will continue in the long term. The construction of nuclear power plants has become more expensive, partly because regulation of the industry has become stricter. In addition, not so many new NPPs have been built in recent years, and as a result, there were no economies of scale. Therefore, the average global cost of nuclear power (as the NES) has generally increased. This, however, does not cancel out the fairly large variation in price trends between individual countries and regions. For example, while in the United States and Great Britain the prices and the time of construction of plants have increased significantly, in France and South Korea they remained at the same level. According to a number of experts, those countries where reactor construction is more standardized have been able to avoid price hikes. If standardization becomes widespread and the growth in the number of new nuclear power plants stops stagnating, it is likely that the cost of nuclear power will go down. It is unlikely that it will ever reach the exponential dynamics of the cost of renewable energy, but it can effectively complement renewable energy where the latter faces problems. Plus we should not forget about the possible prospects of thermonuclear reactors, which theoretically can completely change the world’s energy supply system.

Conclusion

So why is renewable energy getting so cheap? As the above arguments suggest, the main feature that dramatically distinguishes renewables from fossil fuels is that their cost follows an exponential “learning curve.” Renewable power plants do not require the cost of the fuel itself and are relatively inexpensive to operate and maintain. Their price (NSE) depends solely on the cost of technology. And these technologies – whether solar power, wind power, or storage technologies – follow a “learning curve”: each doubling of capacity leads to a corresponding decrease in costs. The more widespread wind and photovoltaic generators become, the faster their costs fall.

Thus, the more green energy we implement today, the more we will be able to implement tomorrow due to lower costs. Accordingly, by expanding the use of renewable energy sources, we will simultaneously solve two problems: reduce the negative effects of emissions and the greenhouse effect, and, perhaps even more importantly, obtain cheaper electricity. Ultimately, this will lead to higher real incomes, economic growth and poverty reduction.

The post Why is Renewable Energy Becoming So Cheap, and What Could It Lead To? appeared first on Aswarm.

Demand for coal remains strong and helps meet the economic development needs of emerging economies. Nevertheless, many countries seeking a more sustainable future are taking steps to reduce their dependence on fossil fuels-especially coal. Overcoming the obstacles facing countries is proving difficult, not least because people working in the coal industry depend on it for their main livelihoods; but using the right economic policy levers can help.

“Green” investments and technological advances can help curb the recovery in coal consumption levels and accelerate the transition to cleaner energy sources as economic activity normalizes. In addition, well-designed policies can ease the impact of this transition on coal miners and others whose incomes depend on coal production.

Background

Coal is a major source of local pollution and climate change, accounting for 44 percent of global carbon dioxide emissions. When burned to produce heat and electricity, coal’s carbon intensity is 2.2 times that of natural gas; this means that burning coal emits more than twice as much carbon dioxide as burning natural gas to produce the same amount of energy. Coal-fired thermal power plants release sulfur dioxide, nitrogen oxide, particulate matter, and mercury into the air, rivers, streams, and lakes. These emissions not only degrade the environment, but they have also been shown to pose a threat to human health: the Great Smog, which occurred in London in 1952 as a result of coal burning and diesel engine exhaust, killed 4,000 people, according to British government medical reports.

There is a strong correlation between the level of development and coal consumption, with middle-income countries generally most dependent on coal. During the second industrial revolution in the late 19th and early 20th centuries, reliance on coal increased rapidly in advanced economies. But as incomes continued to rise, coal was gradually supplanted by more efficient, more user-friendly, and less polluting fuels such as oil, nuclear power, natural gas, and, more recently, renewables.

The downward trend in coal consumption was interrupted in the 1970s, after which coal consumption recovered in part because of three important factors: 1) concerns about energy security, 2) growth in electrification, and 3) high rates of economic growth in emerging economies. The increase in electricity demand has contributed to the recovery of demand for coal in power generation in many advanced economies, which, in addition, have returned to using coal to reduce dependence on imported oil. By the beginning of this century, coal use had declined again in advanced economies, but this decline was more than offset by a surge in demand in emerging economies.

Emerging markets now account for 76.8 percent of global coal consumption, with China accounting for about 50 percent. Power generation accounts for 72.8 percent of coal use, and another 21.6 percent is used in industry (e.g., coking coal consumption for steel production).

Obstacles to coal phase-out

Coal phase-out often takes several decades. It took the United Kingdom 46 years to reduce coal consumption by 90 percent from its peak in the 1970s. In a number of countries, coal consumption was reduced by only 2.3 percent per year between 1971 and 2017. At that rate, it takes 43 years from the year of peak consumption to completely phase out coal.

Several factors make it difficult to move away from coal

First, the industrial use of coal, concentrated in emerging countries, is difficult to replace with other energy sources. Greening of production is made possible by hydrogen technology, but due to insufficient implementation of carbon tariffs, current incentives are weak.

Second, coal-fired power plants are long-term assets with a design life of at least 30-40 years. Once built, coal-fired power plants will operate for a long time unless there are significant changes in the cost of renewable energy or policymakers intervene.

Third, abandoning coal generally results in losses to the domestic mining industry and the workers employed in it. In large coal-consuming countries such as China and India, powerful interests in the domestic mining industry can make it difficult and delay the phase-out of coal. In the U.S., the high rate of transition from coal to natural gas has resulted in reduced employment at coal mines, a record number of bankruptcies among coal miners, and a sharp decline in coal company stocks. Similar developments in some coal-producing countries could jeopardize their financial stability, as banks incur losses on investments in decommissioned mines and power plants-so-called “locked-in assets. There is also, in many cases, a human factor: miners and others in the industry are proud of their long traditions, which makes it difficult to abandon an established way of life.

Feasibility of phasing out coal

Certain market conditions and policy levers can help overcome obstacles to phasing out coal. Stronger environmental policies, carbon taxes, and affordable energy substitutes will be critical. Between 2013 and 2018, for example, the carbon-tariff system reduced the United Kingdom’s reliance on coal by 12.4 percentage points. In Spain, government subsidies that favored renewable electricity generation helped reduce reliance on coal from 2005 to 2010, although the reduction was partly due to temporary factors. In the U.S., there was a more moderate decline, driven by market factors, as the shale revolution drove down natural gas prices.

When considering policy options to support the coal phase-out, there will be a number of difficult questions to answer. Miners and others who depend on the coal industry for their primary livelihood need and deserve realistic solutions to the possible changes they may face. In order to avoid devastating local communities and radical changes in the lives of families, other supportive policies will be needed to make it easier to change jobs and, if possible, to encourage the development of alternative industries. In the case of emerging and low-income countries, the international community can provide financial and technical assistance (e.g., the know-how needed to build electric grids that operate with non-permanent energy sources such as wind and solar power) and limit funding for new coal-fired power plants, at least where alternatives exist. Using cleaner energy sources, such as natural gas, in the energy sector can help make the transition to a greener future. Carbon capture and storage technologies could be a viable solution to ease the transition away from coal, but are currently less cost competitive with other low-carbon energy sources such as solar and wind.

The post A Greener Future Starts with a Transition from Coal to Alternative Energy Sources appeared first on Aswarm.