Renewable energy sources like solar and wind only generate electricity when the wind blows or the sun is out and that isn’t always when customers need power. Batteries large enough to hold megawatts of electricity are prohibitively expensive but another potential source of battery storage is fast emerging: electric vehicles.
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off peak times
Given the intermittent nature of wind and solar, it is becoming increasingly clear that these technologies need a side-kick known as energy storage in order to get the full value of these renewable sources. Energy storage allows electricity produced by wind and solar, during off peak demand times, to be better matched when the electricity is needed. A major driver of growth of both the wind and solar industries has been favorable tax credit treatment. Acknowledging this fact, Congress has been working on game changing legislation aimed at the energy storage industry. On July 20, U.S. Senators Jeff Bingaman (D-NM), Ron Wyden (D-OR), and Jeanne Shaheen (D-NH) introduced The Storage Technology of Renewable and Green Energy Act of 2010 Act (STORAGE Act 2010 – S. 3617) revision to the Storage Act introduced in 2009.