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Renewable Energy Certificates (RECs), also known as Green tags, Renewable Energy Credits, Renewable Electricity Certificates, or Tradable Renewable Certificates (TRCs), are tradable, non-tangible energy certificates in the United States that represent proof that 1 megawatt-hour (MWh) of electricity was generated from an eligible renewable energy resource and was fed into the shared system of power lines which transport energy. Solar renewable energy certificates (SRECs) are RECs that are specifically generated by solar energy.
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Solar power in Connecticut establishes Connecticut as the second state in the US to reach grid parity, after Hawaii, due to the high average cost of electricity. Installing solar panels for a home provides an estimated 15.6% return on investment.
Solar power in Kentucky has been growing in recent years due to new technological improvements and a variety of regulatory actions and financial incentives, particularly a 30% federal tax credit, available through 2016, for any size project. Kentucky could generate 10% of all of the electricity used in the United States from land cleared from coal mining in the state. Covering just one-fifth with photovoltaics would supply all of the state's electricity.
Solar power in Georgia on rooftops can provide 31% of all electricity used in Georgia.
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Renewable energy in Albania includes biomass, geothermal, hydropower, solar, and wind energy. Albania relies mostly on hydroelectric resources, therefore, it has difficulties when water levels are low. The climate in Albania is Mediterranean, so it possesses considerable potential for solar energy production. Mountain elevations provide good areas for wind projects. There is also potentially usable geothermal energy because Albania has natural wells.
The green bubble is an economic theory that the world is facing an over-investment in renewable energy and that the current levels of debts in many clean technology companies are unsustainable. As the interest rate rises many clean technology projects will go bust, a major setback for the renewable energy industry.
A renewable portfolio standard (RPS) is a regulation that requires the increased production of energy from renewable energy sources, such as wind, solar, biomass, and geothermal. Other common names for the same concept include Renewable Electricity Standard (RES) at the United States federal level and Renewables Obligation in the UK.
References
- 1 2 Selling Solar: The Diffusion of Renewable Energy in Emerging Markets
- ↑ Michael J. C. Martin. Book review: Selling Solar: The Diffusion of Renewable Energy in Emerging Markets R&D Management, Volume 40, Issue 2, 2010, pp. 209 - 210.
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