Texas Electric Grids: Demand and Supply
Filed Under:
Business and Transportation  |
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This map approximates the boundaries of the four electric power grids, with actual territories spreading slightly beyond county lines. Click to enlarge (pdf). |
The Electric Reliability Council of Texas (ERCOT) operates the electric grid for 75 percent of the state.
The Panhandle, South Plains and a corner of Northeast Texas are under the Southwest Power Pool (SPP).
El Paso and the far western corner of the Trans Pecos are under the Western Electric Coordinating Council (WECC).
The southeast corner of Texas is under the Southeastern Electric Reliability Corporation (SERC).
The councils were first formed in 1968 to ensure adequate bulk power supply.
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