Alternative Energy Sources for a Sustainable Future

Alternative energy, also referred to as renewable energy, sustainable energy, clean energy, or green energy, comes from sources that are naturally replenished and have a minimal impact on the environment. These sources include solar power, wind power, hydroelectric power, geothermal energy, and bioenergy.

Renewable Energy Sources - Types of Energy for Kids

Key Facts About Alternative Energy Sources

  • 🌬️ Wind Energy: A single wind turbine can generate enough electricity to power up to 1,400 households. Modern wind farms often consist of hundreds of these turbines, collectively capable of powering small cities.
  • 🌞 Solar Energy: Not just for sunlight – solar panels can also generate electricity from snowfall. This is due to the photovoltaic effect, where the panel’s surface can still absorb light even when covered with snow.
  • 🔋 Battery Technology: The world’s largest battery is not a physical one, but a ‘virtual battery’ made up of a network of home solar power storage systems. This collective approach allows for efficient energy distribution and backup.
  • 🌊 Tidal Energy: Tidal energy is one of the most predictable renewable energy sources. Unlike solar and wind energy, tidal patterns can be predicted years in advance, allowing for consistent and reliable energy production.
  • 🌿 Bioenergy: Algae, considered a nuisance in many water bodies, can be used to produce biofuels. Algae grows quickly, absorbs CO2, and its oil content can be converted into biodiesel.
  • 🌎 Geothermal Energy: The deepest geothermal well ever drilled reached about 12 kilometers (7.5 miles) into the Earth’s crust. This depth allows for the tapping of extremely high temperatures, suitable for high-efficiency energy production.

The Current State of Global Energy and Climate Challenges

As the world continues to grapple with the effects of climate change, the global energy landscape is at the forefront of discussions on sustainability and environmental impact. The current state of global energy consumption and its relationship to climate challenges are topics of significant concern and urgency.

alternative energy

Understanding the Impact of Climate Change on Energy Consumption

Climate change has brought about significant shifts in weather patterns, rising temperatures, and increasing occurrences of extreme weather events. These changes have a direct impact on energy consumption patterns worldwide. As temperatures increase, the demand for air conditioning and cooling systems rises, resulting in higher energy consumption.

The need for heating during colder seasons is also exacerbated as a result of global warming. This leads to an increased reliance on energy sources such as fossil fuels, which contribute to carbon emissions and further exacerbate the issue of global warming.

To mitigate the impact of climate change on energy consumption, there is a pressing need to transition towards alternative energy sources that are cleaner, more sustainable, and have a lower carbon footprint.

The Role of Fossil Fuels in Global Warming

Fossil fuels, such as coal, oil, and natural gas, have been the dominant sources of energy for centuries. However, their extraction, production, and consumption have significant environmental consequences, particularly in terms of greenhouse gas emissions.

When fossil fuels are burned for energy, they release carbon dioxide and other greenhouse gases, which trap heat in the Earth’s atmosphere, resulting in global warming. The combustion of fossil fuels is the primary contributor to the increase in greenhouse gas concentrations, leading to the acceleration of climate change.

Given the growing concern over global warming and its devastating impacts, reducing dependence on fossil fuels and transitioning to cleaner energy sources is imperative. Renewable energy technologies offer a viable solution, providing a sustainable and environmentally friendly alternative to fossil fuels.

Introducing Renewable Energy: A Path to a Sustainable Future

renewable energy

The world is facing an urgent need to transition from fossil fuels to more sustainable and environmentally friendly energy sources. This is where renewable energy comes into play. Renewable energy refers to energy sources that are naturally replenished and have a minimal impact on the environment. By harnessing the power of wind, solar, hydro, geothermal, and biomass energy, we can pave the way for a sustainable future.

  • Renewable energy offers numerous benefits that make it a viable alternative to traditional energy sources. One of the key advantages is its ability to reduce carbon emissions. Unlike fossil fuels, which release harmful greenhouse gases into the atmosphere, renewable energy sources produce little to no emissions during operation. This helps mitigate the effects of climate change and promotes environmental sustainability.
  • Another advantage of renewable energy is its infinite availability. Unlike fossil fuels that are limited in supply and will eventually run out, renewable energy sources are abundant and can provide a long-term solution to our energy needs. By tapping into these sources, we can reduce our dependence on finite resources and ensure a more stable and resilient energy system.
  • In addition to being sustainable and environmentally friendly, renewable energy also offers economic benefits. The renewable energy sector has become a major driver of job creation and economic growth. It creates opportunities for skilled workers in fields such as engineering, manufacturing, installation, and maintenance. Moreover, investing in renewable energy infrastructure stimulates local economies, attracts investments, and fosters innovation.

By embracing renewable energy, we can pave the way for a sustainable future. It not only helps combat climate change but also promotes energy independence, reduces air pollution, and creates new economic opportunities. Transitioning to clean and renewable energy sources is not only a responsibility but also an opportunity to build a better world for future generations.

The Rising Dominance of Solar Power

Solar power has emerged as a dominant force in the renewable energy sector, revolutionizing the way we harness and utilize the sun’s energy. The increasing focus on sustainable energy solutions has propelled solar power to the forefront of the clean energy movement.

solar panels and shingles

The Economic Viability of Solar Energy

One of the key factors driving the popularity of solar power is its economic viability. As technological advancements continue to drive down the costs of solar panels, more individuals and businesses are considering solar energy as a financially attractive option. Installing solar panels offers the potential for long-term savings on electricity bills, providing a significant return on investment over time. Additionally, governments and utilities often offer incentives, such as tax credits and feed-in tariffs, to encourage the adoption of solar energy, further enhancing its economic feasibility.

Technological Innovations in Solar Panels and Shingles

Technological innovations in solar panels and shingles have played a pivotal role in expanding the reach and appeal of solar power. Engineers and researchers have been working tirelessly to improve the efficiency, durability, and aesthetic design of solar panels, making them more attractive and accessible to a wider range of users. Advancements such as high-efficiency solar cells, thin-film solar panels, and integrated solar shingles have made solar power integration seamless and visually appealing. These innovations have not only enhanced the performance of solar energy systems but also contributed to the overall growth and acceptance of solar power as a mainstream energy source.

Harnessing Wind Energy: Ancient Methods to Modern Turbines

The use of wind energy as a renewable power source dates back centuries to the time of traditional windmills. These iconic structures harnessed the natural movement of wind to perform various tasks, such as grinding grain or pumping water. Today, wind power has evolved significantly, with the development of modern wind turbines that generate electricity on a large scale. These advancements have unlocked the immense energy potential of wind, both onshore and offshore.

wind turbines

Onshore and Offshore Wind Energy Potential

Onshore wind energy refers to the utilization of wind turbines installed on land. This form of wind power has been widely adopted across different countries, taking advantage of suitable locations with consistent wind patterns. Onshore wind farms have the potential to generate substantial amounts of clean electricity, contributing to the overall energy grid. Offshore wind energy, on the other hand, involves the deployment of wind turbines in bodies of water, typically in coastal areas. Offshore wind farms benefit from stronger and more consistent wind speeds, resulting in higher energy production. The vast potential of offshore wind energy presents an exciting opportunity to further expand renewable power generation.

Advancements in Wind Turbine Technologies

Advancements in wind turbine technologies have significantly improved the efficiency and capacity of wind power. Modern wind turbines are designed with larger rotor diameters, taller towers, and more advanced aerodynamic features. These improvements allow them to capture more energy from the wind and generate electricity at higher capacities. Additionally, the integration of smart technologies and predictive analytics enhances the performance and reliability of wind turbines, optimizing their energy output. These advancements in wind turbine technologies continue to drive the growth of wind power, making it a vital component of the global renewable energy transition.

Wind Turbine AdvancementsBenefits
Larger rotor diameters and taller towersIncreased energy capture and production
Advanced aerodynamic featuresImproved efficiency and performance
Integration of smart technologies and predictive analyticsEnhanced reliability and optimized energy output

Hydroelectric Power: A Steady Flow of Clean Energy

hydroelectric power

Hydroelectric power, derived from the movement of water, is a prominent renewable energy source that provides a steady flow of clean energy. By harnessing the force of flowing water, hydroelectric dams generate electricity without producing harmful emissions or depleting valuable resources.

One of the significant advantages of hydroelectric power is its reliability. Unlike other sources of renewable energy, such as solar or wind, hydroelectric power plants can consistently generate electricity, regardless of weather conditions. This makes hydroelectric power a dependable and consistent source of clean energy.

In addition to its reliability, hydroelectric power also offers low carbon emissions. As a renewable energy source, it does not release greenhouse gases that contribute to climate change. By harnessing the power of water, hydroelectric power plants help reduce carbon emissions and promote a cleaner environment.

The Geothermal Advantage: Earth’s Heat as Renewable Power

In the realm of renewable power, geothermal energy stands out as a unique and abundant resource. It harnesses the Earth’s heat to generate electricity and provide efficient heating solutions for residential and commercial use.

Earths Geothermal Heat

Extracting Energy from the Earth’s Core

Geothermal power relies on the natural heat stored within the Earth’s core. By tapping into this vast energy source, we can produce renewable power with minimal environmental impact. The process involves drilling deep into the Earth’s surface to reach geothermal reservoirs, where hot water or steam is present. This superheated fluid is brought to the surface to drive turbines and generate electricity.

Geothermal Heating in Residential and Commercial Use

Geothermal heating systems use the stable temperature of the Earth to provide efficient and cost-effective heating for buildings. In residential settings, geothermal heat pumps transfer heat from the ground to warm homes during winter and cool them in the summer. These systems can significantly reduce energy consumption and lower utility bills for homeowners.

In commercial use, geothermal heat can be harnessed on a larger scale to provide heating and cooling for buildings, such as hotels, hospitals, and office complexes. By leveraging geothermal energy, businesses can lower their carbon footprint and enhance their sustainability efforts.

Geothermal PowerGeothermal Heating
Renewable Power Generation✔️
Efficient Heating/Cooling✔️
Reduced Carbon Footprint✔️✔️
Environmental ImpactMinimalMinimal

Bioenergy: Transforming Waste into Power

In the quest for sustainable energy sources, bioenergy has emerged as a promising solution. By converting organic waste materials into power, bioenergy not only helps in waste management but also reduces greenhouse gas emissions, making it an environmentally friendly alternative.

Bioenergy: Transforming Waste to Power

Biomass Energy as a Solution to Waste Management

Biomass energy, a form of bioenergy, utilizes organic matter such as agricultural residues, forestry byproducts, and municipal solid waste to generate electricity, heat, or biofuels. This process not only diverts waste from landfills but also allows for the extraction of value from materials that would otherwise be discarded. By converting waste into useful energy, biomass energy plays a crucial role in waste management, promoting resource efficiency and reducing the burden on waste disposal systems.

The Role of Bioenergy in Reducing Greenhouse Emissions

One of the primary advantages of bioenergy is its ability to reduce greenhouse gas emissions. When organic waste decomposes in landfills, it produces methane, a potent greenhouse gas that contributes to climate change. By utilizing biomass energy, these waste materials can be harnessed instead of being left to decay, significantly reducing methane emissions. Additionally, bioenergy can replace fossil fuel-based energy sources, which are major contributors to greenhouse gas emissions, further mitigating the environmental impact.

Benefits of BioenergyImplications
Reduced landfill wasteDiversion of organic waste from landfills
Lower greenhouse gas emissionsReduction of methane emissions and displacement of fossil fuels
Energy independenceReduced reliance on fossil fuel imports
Renewable energy generationUtilization of sustainable energy sources

By integrating bioenergy into our energy systems, we can address both waste management challenges and the need for cleaner energy sources. Furthermore, the sustainable production of bioenergy offers opportunities for job creation, economic development, and energy independence.

Alternative Energy Sources: Key to Reducing Carbon Footprint

Transitioning to alternative energy sources is crucial in our quest to reduce carbon emissions and combat climate change. By shifting away from traditional fossil fuels and embracing renewable energy options, we can make significant strides in reducing our carbon footprint.

Individuals and communities play a vital role in this transition. By adopting alternative energy sources such as solar power, wind energy, hydroelectric power, geothermal power, and bioenergy, we can minimize our reliance on fossil fuels and contribute to a more sustainable future.

A collective effort to embrace alternative energy sources can have a profound impact on global carbon emissions. By reducing our dependence on carbon-intensive energy sources, we can significantly curb greenhouse gas emissions and mitigate the adverse effects of climate change.

Alternative energy sources offer numerous benefits beyond reducing carbon emissions. They provide a long-term and sustainable solution for meeting our energy needs without depleting natural resources. Additionally, they can enhance energy security, create jobs in the renewable energy sector, and foster economic growth.

It is imperative that we recognize the importance of alternative energy sources and embrace their potential. By making the transition to cleaner and more sustainable energy options, we can contribute to a greener and more resilient future for generations to come.

Financial Implications of Transitioning to Renewable Energy

As the world increasingly recognizes the urgency of addressing climate change, transitioning to renewable energy sources has become a key priority. However, this transition also comes with financial considerations that need to be carefully evaluated. In this section, we will explore the financial implications of shifting from traditional fossil fuels to renewable energy, comparing costs and discussing investments in clean energy infrastructure.

Comparing Costs: Fossil Fuels vs. Renewable Energy

One of the primary concerns when transitioning to renewable energy is the cost. While fossil fuel-based energy sources may have lower upfront costs, the long-term financial implications of relying on non-renewable resources can be significant. Renewable energy sources such as solar, wind, and hydroelectric power offer numerous advantages in terms of cost effectiveness.

Solar energy, for example, has seen a significant decrease in costs over the past decade, making it a competitive alternative to fossil fuels. Advances in technology and economies of scale have contributed to the declining costs of solar panels, making them more affordable and accessible for residential, commercial, and industrial applications.

Wind energy also offers a cost-effective solution, with onshore and offshore wind farms becoming increasingly efficient and affordable. The cost of wind turbines has decreased, and advancements in technology have improved their energy generation capabilities, making wind power a viable option for meeting energy demands.

Hydropower, a well-established renewable energy source, has long-term cost advantages due to its reliable and steady power generation. While the initial investment in hydroelectric infrastructure may be substantial, the ongoing operational costs are relatively low, resulting in potential cost savings over time.

When comparing the costs of fossil fuels and renewable energy sources, it is important to consider the long-term financial benefits, including potential savings on energy bills, reduced reliance on fluctuating fuel prices, and mitigating the financial risks associated with carbon pricing and emissions regulations.

Investments and Returns in Clean Energy Infrastructure

Transitioning to renewable energy requires significant investments in clean energy infrastructure. Developing and expanding the capacity of renewable energy technologies, such as solar and wind farms, requires upfront capital investments. However, these investments can yield substantial returns in the long run.

Investing in clean energy infrastructure not only creates jobs and stimulates economic growth but also provides opportunities for returns on investment. As the global demand for renewable energy continues to rise, investors are recognizing the potential financial gains in this sector.

Government incentives and policies that encourage renewable energy adoption, such as tax credits and feed-in tariffs, can also enhance the financial viability of clean energy projects. These incentives provide additional financial support and increase the attractiveness of investing in renewable energy infrastructure.

Furthermore, the development of clean energy infrastructure presents opportunities for public-private partnerships, attracting investments from both the private sector and governments. Collaborative efforts can share the financial burden and facilitate the scaling up of renewable energy capacity.

Investing in clean energy infrastructure not only contributes to a more sustainable future but also offers the potential for financial returns and economic prosperity. By aligning financial considerations with environmental goals, the transition to renewable energy can be both financially viable and beneficial for society as a whole.

Health Benefits and Air Quality Improvements from Clean Energy

In addition to its positive impact on the environment, clean energy and renewable energy sources provide significant health benefits and contribute to improved air quality. The transition from traditional fossil fuels to clean energy not only reduces carbon emissions but also has tangible effects on public health and air pollution.

Health Benefits and Air Quality Improvements from Clean Energy

Impact of Renewable Energy on Public Health

The use of renewable energy sources, such as solar power, wind energy, hydroelectric power, geothermal power, and bioenergy, has a direct and positive impact on public health. By replacing fossil fuels with cleaner alternatives, renewable energy helps to:

  • Reduce air pollution: Fossil fuels are a major source of harmful pollutants, including particulate matter, nitrogen dioxide, and sulfur dioxide. These pollutants contribute to respiratory and cardiovascular diseases and worsen the symptoms of asthma. By transitioning to renewable energy, we can significantly reduce air pollution, improving the respiratory health of individuals and communities.
  • Minimize the release of toxic chemicals: Fossil fuel combustion releases hazardous substances such as mercury, lead, and arsenic, which can have severe health implications. Clean energy sources do not produce these toxic byproducts, reducing the exposure and associated health risks.
  • Alleviate climate-related health issues: Climate change, driven by greenhouse gas emissions, leads to rising temperatures, more frequent and intense heatwaves, and increased incidence of diseases transmitted by insects and rodents. The adoption of renewable energy mitigates climate change, helping to reduce these health risks.
  • Promote overall well-being: Beyond the direct impact on physical health, clean energy also contributes to improved mental well-being. The reduction in air pollution and the knowledge of using sustainable energy sources create a sense of community pride and satisfaction, fostering a healthier and happier society.

Reducing Air Pollution through Alternative Energy Sources

Clean energy sources play a crucial role in reducing air pollution, one of the leading causes of environmental health problems. The combustion of fossil fuels releases pollutants into the air, which has detrimental effects on both human health and ecosystems. By embracing alternative energy sources, we can effectively combat air pollution and improve air quality.

The transition to renewable energy can help reduce air pollution by:

  • Eliminating greenhouse gas emissions: Renewable energy sources produce little to no greenhouse gas emissions, such as carbon dioxide and methane. By reducing the reliance on fossil fuels, we can significantly curtail greenhouse gas emissions, which contribute to climate change and air pollution.
  • Minimizing particulate matter and toxic emissions: Fossil fuel combustion releases fine particulate matter, volatile organic compounds (VOCs), and other harmful airborne pollutants. Renewable energy sources, on the other hand, do not produce these pollutants, which can improve air quality and reduce the risk of respiratory and cardiovascular diseases.
  • Addressing regional and local pollution hotspots: Transitioning to decentralized renewable energy systems, such as solar panels and off-grid wind turbines, allows communities to generate their own clean energy locally. This helps reduce transmission losses and the need for long-distance transportation of energy, thereby minimizing pollution from energy production and transmission.
  • Contributing to sustainable transportation: The adoption of electric vehicles powered by renewable energy further reduces air pollution, as they produce no tailpipe emissions. By integrating renewable energy into the transportation sector, we can significantly improve urban air quality and reduce the impact of vehicle emissions on public health.
Health Benefits of Clean EnergyAir Quality Improvements
Reduced respiratory diseasesDecreased particulate matter
Lower cardiovascular risksMinimized toxic emissions
Improved mental well-beingAlleviated regional pollution hotspots
Mitigated climate-related health risksSustainable transportation solutions

Economic and Job Growth Potentials in the Renewable Energy Sector

The renewable energy sector presents significant economic growth potential, creating opportunities for job creation and sustainable development. As the world shifts towards cleaner and more sustainable energy sources, industries focused on renewable energy are experiencing rapid expansion and innovation.

The transition to renewable energy not only helps mitigate climate change but also stimulates economic growth. According to studies, investments in the renewable energy sector have a higher job multiplier effect compared to investments in fossil fuels. This means that for every dollar invested in renewable energy, more jobs are created compared to the same investment in traditional energy sources.

As the demand for alternative energy sources increases, diverse roles in engineering, manufacturing, installation, operations, and maintenance emerge. The renewable energy sector offers employment opportunities across various skill levels, from entry-level positions to highly specialized roles in research and development.

The growth of the renewable energy sector also contributes to regional development and economic revitalization. Renewable energy projects require infrastructure development, attracting investments and creating employment opportunities in local communities. Job creation in this sector extends beyond the direct jobs in renewable energy industries. It encompasses a wide range of indirect jobs, including those in the supply chain, construction, and services sectors.

Moreover, the renewable energy sector fosters innovation and technological advancements. Investments in research and development drive the creation of new technologies, leading to increased efficiency and cost reductions. As the industry continues to evolve, the demand for skilled workers will expand, creating a workforce that drives innovation, boosts economic productivity, and positions countries for long-term economic growth.

Energy Independence through Diversified Renewable Sources

Energy independence is a crucial goal for countries around the world as it provides numerous advantages in terms of national security and economic stability. Achieving energy independence involves reducing reliance on foreign energy imports by diversifying renewable energy sources. By utilizing a mix of renewable energy technologies, countries can create a sustainable and self-sufficient energy system that is not vulnerable to geopolitical disruptions or price fluctuations.

One of the key benefits of energy independence is enhanced national security. By relying on diversified renewable sources like solar, wind, hydroelectric, geothermal, and bioenergy, countries can reduce their dependence on fossil fuels and minimize their exposure to volatile global energy markets. Additionally, renewable energy sources are inherently decentralized, meaning that energy production can be localized, reducing the risk of energy supply disruptions.

Furthermore, energy independence through diversified renewable sources contributes to environmental sustainability. By reducing the reliance on fossil fuels, which emit greenhouse gases and contribute to climate change, countries can significantly decrease their carbon footprint. This not only mitigates the adverse effects of global warming but also helps to preserve natural resources and protect the environment for future generations.

Diversifying the energy mix also promotes technological advancements and innovation. Investing in various renewable energy sources encourages research and development in clean energy technologies. This leads to improved efficiency, cost-effectiveness, and scalability of renewable energy solutions, further accelerating the transition towards a sustainable energy future.

Overall, energy independence through the use of diversified renewable sources offers numerous benefits, including enhanced national security, reduced exposure to price fluctuations, environmental sustainability, and opportunities for technological advancement. By prioritizing the development and utilization of renewable energy technologies, countries can ensure a resilient and self-sufficient energy system that meets their energy needs while safeguarding the planet for future generations.

Building a Resilient Energy System with Alternative Energy Sources

As we move towards a greener future, it is crucial to build a resilient energy system that incorporates alternative energy sources. By diversifying our energy mix and relying less on traditional fossil fuels, we can improve energy security and ensure the availability of power during natural disasters or other disruptions. Alternative energy sources play a vital role in creating a sustainable and reliable energy system for the future.

One of the key advantages of alternative energy sources is their ability to enhance energy security. Unlike fossil fuels, which are vulnerable to supply chain interruptions and price fluctuations, alternative energy sources such as solar, wind, and geothermal power are abundant and accessible. By tapping into these renewable resources, we reduce our dependence on foreign energy imports and become more self-sufficient.

Moreover, alternative energy sources also demonstrate a higher level of resilience during natural disasters. Unlike traditional power plants that rely on centralized infrastructure, alternative energy systems can be decentralized, making them less susceptible to disruptions caused by storms, earthquakes, or other catastrophes. Solar panels on rooftops, wind turbines in remote areas, and geothermal plants provide a distributed and resilient energy network that can withstand and recover from unexpected events.

By building a resilient energy system with alternative energy sources, we not only ensure a more reliable power supply but also contribute to the reduction of carbon emissions and environmental impact. The transition to renewable energy plays a crucial role in mitigating climate change and creating a sustainable future for generations to come. Embracing alternative energy sources is not only an investment in our energy security but also a step towards a cleaner and healthier planet.

FAQs – Frequently Asked Questions

What are alternative energy sources?

Alternative energy sources refer to energy solutions that are not based on fossil fuels. This includes solar, wind, hydroelectric, geothermal, and biomass energies.

Why are alternative energy sources important?

They reduce dependence on fossil fuels, minimize greenhouse gas emissions, and contribute to a sustainable and environmentally friendly energy future.

How does solar energy work?

Solar energy works by converting sunlight into electricity using photovoltaic cells. These cells capture solar radiation and transform it into electrical power.

What is wind energy and how is it harnessed?

Wind energy is generated by using wind turbines to convert kinetic energy from wind into mechanical power, which can then be converted into electricity.

What are the advantages of hydroelectric power?

Hydroelectric power is renewable, reliable, and efficient. It generates electricity by using the energy of flowing water without emitting greenhouse gases.

How does geothermal energy work?

Geothermal energy utilizes the Earth's internal heat. It captures steam or hot water from underground reservoirs to generate electricity or provide direct heating.

What is biomass energy, and what are its sources?

Biomass energy is produced from organic materials like plant and animal waste. Its sources include wood, agricultural residues, and biodegradable wastes.

Are alternative energy sources cost-effective?

Initially, they may have higher setup costs, but over time, they can be more cost-effective due to lower operational costs and increasing efficiency.

How do alternative energies impact the environment?

They generally have a lower environmental impact compared to fossil fuels, contributing less to air pollution and greenhouse gas emissions.

What are the challenges in adopting alternative energy?

Challenges include high initial costs, technology limitations, variable energy output (for solar and wind), and geographic limitations for certain sources like geothermal and hydroelectric power.

References and Sources

United Nations – What is Renewable Energy

NRDC – Renewable Energy: The Clean Facts

National Grid UK – What are the Different Types of Renewable Energy