Fossil Fuels Saved the Grid: Arctic Storm

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Natural gas and coal power plants once again proved essential during Winter Storm Fern, successfully preventing potential blackouts and challenging the notion that renewable energy sources alone can ensure grid stability. This event highlights the critical need for energy diversity, as fossil fuels ramped up to meet surging demand while wind and solar contributions significantly declined. The performance of thermal plants in grids like PJM and ERCOT underscores their indispensable role in maintaining energy security, especially during extreme weather.

Story Highlights

Natural gas and coal plants played a crucial role during Winter Storm Fern, preventing grid collapse.
Renewable energy sources like wind and solar fell short during peak demands.
ERCOT and PJM grids maintained stability, showcasing the reliability of fossil fuels.
Fossil fuel advocates highlight the need for energy diversity amidst regulatory pressures.

Fossil Fuels Keep the Lights On

During Winter Storm Fern from January 21-26, 2026, the U.S. faced a severe Arctic blast that threatened power grids. The nation’s largest grids, PJM and ERCOT, were put to the test as temperatures plummeted, and energy demand surged. Thanks to a significant ramp-up in natural gas and coal power plant operations, a grid collapse was averted. These plants delivered record gas and coal outputs, with PJM generating 43% of its energy from gas and 23% from coal. Meanwhile, wind and solar contributions dwindled to a mere 3-4%.

ERCOT, responsible for the Texas grid, managed to maintain reserves above 11,000 MW, with gas burns reaching over 48,477 MW and coal nearing 10,400 MW. The performance of these thermal plants is in stark contrast to the underperformance of renewable energy during the storm. This event echoes the importance of reliable energy sources, especially during peak demands when renewables fall short.

“196 million under winter weather alerts as massive storm brings dangerous cold and snow” (NBC News). "Deadly winter storm blasts America with catastrophic ice, extreme snow"(FOX Weather). Catastrophic ice storms and patented processes of chemical ice nucleation, what could… pic.twitter.com/pbtynu7RbY

— Dane Wigington (@RealGeoEngWatch) January 25, 2026

Historical Context and Lessons Learned

The U.S. power grid has faced recurring challenges during winter storms, notably during the 2021 Winter Storm Uri, which led to significant blackouts. In response, ERCOT undertook extensive weatherization efforts for gas facilities, which paid off during Winter Storm Fern. The storm underscored the critical role of fossil fuels in ensuring grid stability, even as regulatory pressures push for a decrease in coal and gas utilization.

The North American Electric Reliability Corporation (NERC) has previously warned about the vulnerabilities of gas systems and the shrinking reserve margins due to EPA regulations. These warnings resonate with the need for a balanced energy mix that includes dependable thermal power sources.

Advocacy for a Balanced Energy Approach

James Bevan, President of Criterion Research, emphasized the necessity of thermal power dominance over solely relying on renewables. The WV Coal Association echoed this sentiment, crediting coal miners and power plant workers for their role in maintaining grid reliability. This advocacy for fossil fuels highlights the ongoing debate between energy reliability and environmental policies.

While renewable energy remains a critical component of the energy transition, incidents like Winter Storm Fern prove that a singular focus on renewables may not suffice. The need for energy diversity, including continued investment in natural gas and coal, is essential to ensure grid stability and energy security for Americans, especially during extreme weather events.

Watch the report: How the Winter Storm Is Affecting Natural Gas Supply, Demand