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Smith Mountain Pumped Storage Project

Technology Type Open-loop Pumped Hydro Storage
Rated Power 560000 kW
URL More about Smith Mountain Pumped Storage Project
Smith Mountain Dam houses five hydroelectric generators with a combined installed capacity of 560 MW. Smith Mountain Lake Dam utilizes pumped-storage hydroelectricity by which water that is released downstream can be pumped back into Smith Mountain Lake for re-use. The Leesville Dam regulates the Smith Mountain Lake's outflows and stores water to be pumped back into the Smith Mountain Lake for this purpose. Hydro-electricity is usually produced during high-demand times (day) and pumped back into the lake during low demand times (night). The Leesville Dam also produces hydro-electricity as well. In December, 2009, The U.S. Federal Energy Regulatory Commission granted Appalachian Power a new license to operate the hydro-electricity plant. The new 30-year license replaces the original 50-year license and also addresses recreational and environmental management.
This data has been validated by project staff through a review of publicly available information about the project, and verified by the project owner.
Project Status
Status Operational
Commissioning On 07.03.1966
Project Includes Multiple Systems No
Siting
Location

Smith Mountain Lake, Virginia
United States

ISO/RTO PJM
Utility Appalachian Power
Utility Type Investor Owned
Paired Grid Resource Transmission
Project Includes Multiple Systems No
Ownership & Value Chain Partners
Ownership Model Utility-Owned
Equity Owner 1 Appalachian Power (a division of AEP)
Equity Owner 1 Percent 100%
Developer Appalachian Power
Cost & Performance
Performance Performance metrics not available.
Benefits
Service Use Case Electric Energy Time Shift
Electric Supply Capacity
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