Dive Summary:
- The PJM Interconnection dispatched an estimated 5,949 megawatts (MW) of demand response on September 11, a day when demand reached 142,071 MW.
- The nearly 6,000 MW of demand response is the most ever dispatched by PJM.
- Andy Ott, PJM EVP of Markets, noted, "Generation performance and demand response played significant roles in balancing the supply and demand on the grid during unusual conditions this week. PJM continues to see the value and success of demand response participating in PJM markets."

From the article:
Unusually hot weather this week created two of the highest electricity use days of the year in the 13-state region served by PJM Interconnection, operator of North America’s largest electric power grid. Demand response, consumers’ voluntary reduction in power use, played a vital role in keeping the power grid stable and air conditioners running.