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What Is Green Power? Green power is electricity produced by renewable sources like geothermal, solar, and wind energy, biomass, and hydroelectricity with low impact. It's available to customers in markets that are deregulated who want to support cleaner energy sources by putting the cost of their utility bill. Renewable energy sources are generally less harmful to the environment than drilling for coal or oil. They also can help us reduce our greenhouse gas emissions. Solar Energy Solar energy is one of the most popular green power sources. Solar energy is a renewable resource because it never runs out. It is a clean and efficient energy source which reduces air pollution and greenhouse gas emissions resulting from fossil fuels like oil, coal natural gas, and coal. This energy source is a great alternative to nuclear power, which requires the mining, extraction and storage of radioactive waste. Solar thermal collectors, photovoltaic panels and concentrated solar thermal energy (CSP) are all methods to harness the power of the sun. Solar energy can be channeled directly into businesses and homes, or it could be transferred to grids that distribute electricity to other customers. Some consumers may sell surplus energy to a utility company. This can lower the cost of electricity and offset the rising cost of utilities. All forms of solar energy produce zero air emissions or pollutants unlike fossil fuels which produce carbon dioxide and other harmful gases during their combustion. Solar energy can also be utilized to power other kinds of devices, like spacecrafts, satellites, and boats, where accessing the electrical grid is not feasible or even possible. Solar power can be utilized in smaller structures. Many homeowners put PV cell panels on their roofs in order to generate electricity and passive solar homes design permits these homes to let in sunlight during the day for warmth and then keep it at night. Solar-powered homes also have the benefit of needing minimal maintenance. Another type of solar power is hydropower, which uses the natural flow of water in rivers, streams and dams to generate electricity. Similar to biomass and wind hydropower, hydropower is renewable since it can be replenished. If you are planning to incorporate hydropower into your business or home take a look at EPA's list of third-party certified options. Geothermal Energy Geothermal plants use heat from the Earth to produce electricity. The process makes use of steam and hot water that naturally occurs a few kilometers below surface of the Earth. It is an incredibly sustainable and renewable energy source that produces electricity all day long, 365 days a year. Geothermal energy is a great way to reduce our dependence on fossil fuels, and is one of the most environmentally friendly forms of power generation. The most commonly used geothermal power station is the flash-steam plant. This makes use of water at temperatures of around 182deg C (360deg F) to generate electricity and power turbines. The steam can also be used to heat buildings, or other industrial processes. Iceland, for example, relies on geothermal energy to melt snow and heat its streets, sidewalks, and parking lots in the frigid Arctic winter. Another source of geothermal energy is a hot dry rock (HDR) power plant that taps underground reservoirs of hot dry rock that have been heated by man-made or natural activities. HDR plants require less infrastructure than geothermal power plants, which makes them easier and cheaper to build and operate. According to the National Renewable Energy Laboratory, there are enough HDR sources in the United States for all of our current electrical requirements. The geothermal steam produced by plants can be used to create electricity by using a steam turbine generator, or it could be coupled with a gas-fired turbine to improve efficiency. The resultant mixture can be converted into natural gas, which can be burned in a traditional boiler to produce electricity. Geothermal energy is not only reliable and clean, but it also has the smallest carbon footprint among all renewable energy sources. Binary-cycle plants, that use an engine to convert steam into electricity, produce little-to-no nitrous oxide, methane, or sulphur dioxide. However, despite its benefits geothermal energy has its problems. The drilling required to construct geothermal power plants can trigger earthquakes and pollute the groundwater. Injection of high-pressure streams into geothermal reservoirs could cause subsidence. This is a slow sinking that can damage roads, structures pipelines, and other structures. Biogas Biogas is an energy source that is renewable and gaseous that produces green power. It is produced from manure, agricultural waste plant material such as municipal waste, sewage, food waste and other organic waste materials. Biogas can be used to generate electricity, heat and heat and power, or it can be transformed into transport fuels using the Fischer-Tropsch process. Biogas is also a viable resource for producing renewable hydrogen for use in fuel cells, which are expected to play a significant role in the future of global energy systems. The most popular method of valorisation of biogas is to generate electricity through a combined heat and power (CHP) plant. The heat from the CHP process is used to support the fermentation of the organic waste and the electricity generated is then fed into the grid. Biogas can also be converted into natural gas and blended into existing natural gas distribution systems. Biogas can be used to replace imported mined gas in commercial and residential buildings, ground transportation and other areas. Biogas is a renewable energy source that can also reduce greenhouse gas emissions. The CCAC is working to develop instruments to measure, report and confirming (MRV) of healthy cooking within communities and households in low- to middle-income countries, to help the 67 countries that have incorporated clean cooking goals in their Nationally Determined Contributions (NDCs). Utilizing biogas to replace fossil fuels for electricity generation and as a substitute for conventional natural gas in cooling and heating will reduce carbon dioxide emissions as well as other air pollutant emissions. Biogas can also be used to create liquid transport fuels that can be an alternative that is sustainable to oil, coal and other fossil fuels. By taking methane and reusing it by capturing and recovering methane, we can stop the release of greenhouse gasses into the atmosphere as well as the evaporation of nitrogen that could otherwise pollute our water resources. The Plessis Gassot waste landfill, which is non-hazardous in Claye-Souilly, France, for instance collects biogas and converts it into a renewable source of energy for homes connected to the system. Small-scale biogas facilities can be constructed in cities, which allow for the collection and utilization of organic waste from local sources. This can reduce the greenhouse gas emissions that are associated with transportation and treatment. Hydroelectric Power Hydropower harnesses the energy kinetics of water to generate electricity. It is the most powerful and most affordable renewable power source in the world. It doesn't emit direct greenhouse gases, but it has significant environmental effects. It is a flexible form of green energy that is able to be adjusted to meet the changing demand and supply. Its service life spans over a century and it can be upgraded to improve efficiency and performance. The majority of hydropower plants harness the power of falling waters by using dams. A series of turbines converts the water's kinetic energy into electricity at a speed that is proportional to its velocity. This electricity is then transmitted to the grid of electricity for use. While building an hydroelectric power plant involves a massive investment in dams, reservoirs, and pipes, operating costs are quite low. Additionally, these plant can act as backups to other intermittent renewable power technologies like wind and solar. There are green power electric mobility scooter of hydroelectric power plants that are run-of-river and storage. Storage plants have huge impoundments, which can hold more than one season's worth of water. Run-of-river plants use the water of streams and rivers that are free-flowing. Hydropower plants are usually located near or in areas with a high population density and where the demand for electricity is high. The environmental impact of hydropower is dependent on the size and location of the project, the amount of water that is being displaced, and the habitats and wildlife that are affected by decomposition and inundation. These effects can be minimized and reduced by using Low Impact Hydroelectricity Standards (LIHI) for the construction and operation of a hydropower project. The standards include measures to protect the river's flow, water quality passage for fish and protection and watershed protection, endangered and threatened species, recreation, and cultural resources. In addition, to generate renewable energy Hydropower plants also function as the world's biggest “batteries.” They are referred to as pumped storage facilities and work by pumping water uphill from a lower pool to a larger reservoir. When electricity is needed, the water from the lower reservoir could be used to power generators. The water from the upper reservoir can then be pumped downwards through a turbine to create more electricity.