PJM Interconnection, the grid operator that manages the high voltage transmission system in all or parts of 13 states and Washington, D.C., set a new record for peak power use Thursday at 5 p.m. by meeting the demand for 158,450 megawatts (MW) of power. One megawatt of power is enough to power about 1,000 homes.
The previous record for peak demand was set on August 2, 2006. When adjusted for the June 1, 2011, integration into PJM of FirstEnergy's American Transmission Systems, Inc. and Cleveland Public Power, the all-time peak would have been 158,258 MW.
"PJM and our members plan and prepare year-round to handle days like this to ensure a seamless power supply for the 58 million consumers in our region," said Michael Kormos, senior vice president – Operations. "Our efforts in fine-tuning how we forecast electricity demand and plan transmission improvements are paying big dividends for our system operations."
Thursday's demand for electricity was met without problems and generation supplies were adequate. Demand response was not called on to reduce load.
PJM issues its daily forecast on Twitter. Visit the PJM website for more information.
Note: At noon it was 102.5 degrees on my shady back porch in Harrisburg, PA. Yesterday's high at the same spot was 104.3 degrees at 4:30 p.m.
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