In a recent opinion piece, concerns have been raised about the electricity market run by PJM Interconnection, especially following its summer auction aimed at ensuring enough power for the upcoming 2025-26 delivery year. During this auction, power plant owners submitted bids to guarantee that their facilities would be operational when needed. However, the results of this auction shocked many, as the cost of ensuring electricity availability soared from $2.2 billion last year to an astonishing $14.7 billion this year—an increase of nearly 570%.
The surge in auction prices reflects a significant demand for electricity coupled with a dwindling supply. New data centers, which require vast amounts of reliable electricity, are largely driving this demand. Interestingly, while demand projections have risen by 3,000 megawatts since the last auction, the capacity bids have actually decreased by 6,600 megawatts compared to a year ago. It’s a classic case of supply and demand: when demand rises and supply falls, prices inevitably increase.
Amid these challenges, coal-fired power plants are rapidly retiring, with 19 plants in PJM set to shut down over the next five years, totaling approximately 12,700 megawatts. This volume of shutdowns is equivalent to the entire electricity supply of Maryland. Alarmingly, the PJM Market Monitor has reported that as much as 58,000 megawatts of generating capacity could be at risk of retirement by 2030.
Across the country, similar trends are unfolding, with plans announced to retire 133 coal-fired units, totaling nearly 60,000 megawatts. Recent regulations from the EPA, including new rules targeting carbon emissions and wastewater management, may lead to even more coal plant closures, potentially jeopardizing grid reliability and increasing electricity prices.
Some argue that increasing renewable energy sources like wind and solar could remedy the problem, but experts caution that while renewables can supplement energy, they can’t fully replace the generating capacity being lost. The backlog in connecting new renewable projects to the grid further complicates the situation.
Efforts are being made to reform the interconnection process, however, recent evaluations suggest these changes may not fully alleviate the existing bottlenecks. Utility leaders have noted that if new investments in reliable generation were initiated now, it could take six years for that capacity to become operational.
In tackling capacity shortages, several strategies have been proposed:
- Delaying Retirements: Dispatchable generation sources should remain in operation until sufficient replacement capacity is established.
- Ensuring Quality of Replacement: New capacity must match the reliability and capacity of retiring sources.
- Value Recognition: Grid operators should identify and recognize all reliability needs, which may enhance the viability of existing generation and discourage premature retirements.
- Building Necessary Transmission: Any required transmission infrastructure should be erected promptly rather than merely planned.
- Regulatory Reforms: EPA regulations should be crafted to prevent the retirement of essential dispatchable resources.
As the situation evolves, it becomes increasingly essential to halt further retirements of essential generating resources to avoid worsening the energy supply crisis. It’s time for decisive and thoughtful action to ensure a stable and reliable power future.

