Federal Agency Authority to Contract for Electric Power and Renewable Energy Supply [August 15, 2011]   [open pdf - 367KB]

"The federal government purchases roughly 57 million megawatt-hours of electricity annually (based on FY2007 data, the latest information available), making it the single largest U.S. energy consumer. The Department of Defense (DOD) alone consumes over 29 million megawatt-hours. The federal Power Marketing Administrations (PMAs) sell electricity at more than twice the volume of federal power purchases, over 127 million megawatt-hours of hydropower annually, and are projected to produce wind-generated energy far in excess of the 2005 Energy Policy Act (EPAct) mandates for increasing federal use of renewable energy. […] The 1978 Public Utilities Regulation Policies Act (PURPA) defined a new class of small renewable energy generators that produce less than 80 megawatts and required electric utilities to purchase the electricity generated at the utility's 'avoided cost' of power production via a stateauthorized 'power purchase' contract (also referred to as a power purchase agreement). However, state laws and regulations vary on the use of the contracts. States are more likely to permit the contracts when the purchaser is a utility, because the utility is responsible for providing firm uninterrupted power to the customer. Four PMAs market and distribute hydropower in 34 states to public utility districts and cooperatives at cost-based rates. EPAct directed the PMAs to study the economic and engineering feasibility of combining wind-generated energy with hydropower and to conduct a demonstration project that uses wind energy generated by Indian tribes. Short of amending federal contract authority, federal agencies may have recourse to meet EPAct mandates by purchasing power through the PMAs."

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CRS Report for Congress, R41960
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