PJM Interconnection expects to have 185,611 megawatts of resources available to meet the forecasted peak demand of 135,506 megawatts, according to a Dec. 5 press release.

• The grid operator said its system is ready to meet needs despite a “less-certain winter weather forecast,” noting that climate models indicate a warmer season but similar studies point to the possibility of near- or below-average temperatures. PJM expects the polar vortex to weaken later in the season resulting in short periods of intense cold.
• Apart from weather forecast, PJM analyzed potential pipeline disruptions as part of its winter readiness and found that no associated reliability concerns for the winter.
• The previous winter peak of 137,522 megawatts occurred on Jan. 5, during an 11-day cold snap, when PJM’s generation and transmission performed well and there were sufficient reserves and capacity even during peak demand. The grid operator said the its capacity performance rules facilitated efficient and reliable generator performance.