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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 a minimal impact. Customers who are in markets that are not regulated are able to add a small fee to utility bills to support cleaner energy sources. Renewable energy sources are generally less environmentally harmful than drilling for oil or mining coal. They also can help us reduce greenhouse emissions of greenhouse gases. Solar Energy Solar energy is a favored green energy source. Solar is considered renewable because it will never run out. It is a safe and efficient energy source, which helps reduce air pollution and greenhouse gas emissions from fossil fuels such as oil, coal, and natural gas. This energy is a great alternative to nuclear power that requires mining extraction, storage and storage of radioactive waste. The sun's energy can be used to generate electricity in a variety of ways that include photovoltaic (PV) panels and concentrated solar-thermal power (CSP), and solar thermal collectors. Solar power can be distributed directly to homes and businesses or to grids that supply power to others. Certain consumers have the option of selling their surplus energy back to the utility company which could help keep electricity costs low and even offset rising utility costs. Solar energy produces no emissions or air pollutants unlike fossil fuels that produce harmful carbon dioxide and harmful gases when they are burned. Solar energy can also be used to power other types of devices, such as satellites, boats and spacecrafts that cannot connect to the electrical grid is impractical or impossible. On smaller scales, solar can also be used to power buildings. Many homeowners put PV solar panels on their roofs to generate electricity and passive solar home design permits these homes to let in sunlight during the day for warmth, and then store it at night. Solar-powered homes also benefit from the fact that they require very minimal maintenance. Hydropower is a different type of solar energy that makes use of the natural flow of rivers, streams, and dams. Like wind and biomass 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 the EPA's list for third-party certified options. Geothermal Energy A geothermal plant uses heat from the Earth to generate electricity. The process uses steam and hot water that naturally occur just a few kilometers below the surface of the Earth. It is a renewable and sustainable energy source that produces electricity all day long, 365 days a year. Geothermal energy can reduce our dependence on fossil fuels and is among the most environmentally friendly forms of power generation. The most well-known type of geothermal power plant is a flash-steam power station. It uses water that is heated to 182degree C or 360deg F to generate electricity from turbines and power plants. Steam can be used to heat industrial processes and buildings. Iceland for instance, uses geothermal energy to melt snow and heat its streets, sidewalks and parking areas during the cold Arctic winter. Another source of geothermal energy is hot dry rock (HDR) power plant, which taps underground reservoirs of hot dry rock that are heated by either natural or human-made activities. HDR plants require significantly less infrastructure than geothermal power plants, making them easier and cheaper to build and operate. According to the National Renewable Energy Laboratory, there are enough HDR resources in the United States for all of our electrical needs currently. The steam from geothermal power stations can be used as a source of power through steam turbine generators or in conjunction with a gas fired turbine to boost efficiency. The mixture can be transformed into natural gas and burned in a boiler, generating electricity. Geothermal energy isn't just clean and reliable but also has the smallest carbon footprint of all renewable energy sources. Binary-cycle plants that use an engine to convert steam into electricity create little or no nitrous dioxide methane, sulphur, or methane oxide. However, despite its advantages geothermal energy doesn't come without its challenges. The drilling required to establish geothermal power plants could trigger earthquakes and could cause groundwater pollution. Furthermore, the dumping of high-pressure streams into geothermal reservoirs could cause subsidence, which is a gradual sinking land that can damage pipelines, roads, and buildings. Biogas Biogas is a natural gaseous energy source that can be used to generate green power. It can be made from manure, agricultural wastes plants, sewage, municipal garbage, food wastes, and other organic wastes. Biogas can be used to generate electricity, heat and combined heat and power and can also be transformed into transport fuels using the Fischer-Tropsch process. Biogas is also a valuable source of hydrogen that can be produced renewable for use in fuel cells that are likely to play a major role in the future of global energy systems. The most commonly used method to valorize biogas is by generating electricity in a combined heat and power (CHP) plant. The heat from the CHP process is used to assist in the fermentation of the organic waste, and the electricity is fed into the grid. It can be further compressed into natural gases and incorporated into existing natural gas distribution systems. Biogas can be used to replace imported mined gas in commercial and residential structures, ground transportation, and other areas. In addition to generating renewable energy, biogas can help reduce carbon dioxide emissions and pollution from conventional cooking. The CCAC works to provide tools for measuring reporting and verifying (MRV) healthy cooking in households in low-to middle-income countries. This will assist the 67 countries that have included clean-cooking goals in their Nationally Determined Contributions. Using biogas to replace fossil fuels for electricity generation as well as a substitute for conventional natural gas for heating and cooling will reduce carbon dioxide emissions and other air pollutants. Biogas is also a sustainable substitute for oil, coal, and other fossil fuels for production of liquid fuels for transport. By capturing and recovering methane by capturing and recovering methane, we can stop the release of greenhouse gases into the atmosphere and the runoff of nitrogen which could otherwise pollute our water sources. The Plessis-Gassot landfill for non-hazardous waste in Claye-Souilly, France, for instance collects biogas and converts it into a renewable source of energy for the households that are connected to the system. In addition, small-scale biogas plants can be set up in cities to allow for the collection and use of local organic waste and avoiding the greenhouse gases that are that are generated by the transport and treatment of these materials. Hydroelectric Power Hydropower is a renewable source of energy that makes use of the kinetic energy of water that flows. greenpower mobility scooter is the most affluent and least expensive source of renewable energy around the globe. It releases no greenhouse gases, but it does require significant environmental impacts. It is a very flexible form of green power that is able to be adjusted to meet changing supply and demand. Its lifespan spans more than a century and it can be upgraded to increase efficiency and performance. Most traditional hydropower plants use dams to harness the energy generated by falling water. A series of turbines converts the water's kinetic energy into electricity at a rate proportional to its speed. This electricity is then sent to the grid to be used. Hydroelectric power plants require a significant investment in reservoirs and pipes. However the operating costs are low. These plants can also be used as backups to other intermittent renewable energy sources such as solar and wind. Hydroelectric plants can be divided into two kinds which are storage and run-of-river. Storage plants are characterized by large impoundments, which can store more than one season's worth of water. Run-of-river plants draw water from rivers and streams that are free-flowing. Hydropower plants are typically situated near or in areas with a high density of population and where the demand for electricity is high. The environmental impact of hydropower depends on the size and location of the dam as well as the amount of water that is displaced, and the habitat and wildlife affected by decomposition and inundation. These impacts can be reduced and reduced by using Low Impact Hydroelectricity Standards (LIHI) for the construction and operation of the hydropower project. The standards cover measures for river flows, water quality protection, fish passage, protection of aquatic ecosystems, threatened and endangered animals, recreation and cultural resources. In addition to producing renewable energy, some hydropower plants act as the world's largest “batteries.” These are referred to as storage facilities that are pumped and operate by pumping water uphill from a lower reservoir to a larger reservoir. When electricity is required then the water from the lower reservoir could be used to power generators. The water from the reservoir above can then be pumped downhill by a turbine to generate more electricity.