The United States has committed to reduce its greenhouse gas emissions by 26%–28%by 2025 and by 83%by 2050 relative to 2005.Meeting these objectives will require major investments in renewable energy options,particul...The United States has committed to reduce its greenhouse gas emissions by 26%–28%by 2025 and by 83%by 2050 relative to 2005.Meeting these objectives will require major investments in renewable energy options,particularly wind and solar.These investments are promoted at the federal level by a variety of tax credits,and at the state level by requirements for utilities to include specific fractions of renewable energy in their portfolios(Renewable Portfolio Standards)and by opportunities for rooftop PV systems to transfer excess power to utilities through net metering,allowing meters to operate in reverse.The paper discusses the current status of these incentives.展开更多
基金supported in part by Harvard Global Institute and the Ash Center of the Harvard Kennedy School of Government.
文摘The United States has committed to reduce its greenhouse gas emissions by 26%–28%by 2025 and by 83%by 2050 relative to 2005.Meeting these objectives will require major investments in renewable energy options,particularly wind and solar.These investments are promoted at the federal level by a variety of tax credits,and at the state level by requirements for utilities to include specific fractions of renewable energy in their portfolios(Renewable Portfolio Standards)and by opportunities for rooftop PV systems to transfer excess power to utilities through net metering,allowing meters to operate in reverse.The paper discusses the current status of these incentives.