FERC Chairman Christie Urges Dispatchable Resources Amid Grid Strain During Heatwave
Key Insights
FERC Chairman Mark Christie emphasized the need for dispatchable resources after grid operators narrowly avoided blackouts during a recent extreme heatwave.
PJM Interconnection hit a peak load of 161 GW, with demand response playing a critical role in maintaining grid stability.
Christie warned that the U.S. must address resource adequacy to prevent future blackouts, suggesting mandatory reserve power targets.
ISO New England and MISO also faced record demand, highlighting the fragility of current power systems under extreme conditions.
Federal Energy Regulatory Commission (FERC) Chairman Mark Christie has called for increased dispatchable power resources following a recent heatwave that pushed grid operators to the brink of blackouts. Speaking after FERC’s open meeting, Christie stressed the urgency of bolstering the U.S. power supply, noting that grid operators like PJM Interconnection and Midcontinent Independent System Operator (MISO) were "close to the edge" during the extreme weather event.
PJM, the nation’s largest grid operator, recorded a peak load of 161 GW on Monday, surpassing its summer forecast by nearly 5%. The grid operator relied on 4,000 MW of demand response to manage the strain, a tactic praised by FERC Commissioner Judy Chang as a critical tool for grid resilience. At peak demand, PJM’s generation mix included 44% natural gas, 20% nuclear, 19% coal, 5% solar, and 4% wind.
Meanwhile, MISO reached a peak of 119 GW, just shy of its all-time record, while ISO New England saw demand spike to 26,024 MW, the highest since 2013. Both operators implemented emergency measures to maintain stability, with ISO-NE declaring an Energy Emergency Alert Level 1 after unexpected generation losses.
Christie underscored the limitations of renewable energy in providing reliable capacity, stating, "You've got to have dispatchable resources. There's no way around that." He advocated for mandatory reserve power targets to ensure grid reliability, warning that future heatwaves could prove deadly without such measures.
The FERC chairman also addressed ongoing agency business, including a pending review of PJM’s rules for colocating data centers at power plants and proposed reliability standards for inverter-based resources (IBRs). Christie expressed support for requiring IBRs to ride through grid disturbances, a move aimed at preventing widespread outages.
As Christie prepares to leave FERC, his remarks highlight the growing tension between renewable energy expansion and the need for dependable power sources during extreme weather events. The recent grid challenges serve as a stark reminder of the infrastructure upgrades required to meet future demand.