Summary
PJM Interconnection, which runs the wholesale electricity markets serving parts of 13 Mid-Atlantic and Midwest states and roughly one in five Americans, said it is examining market reforms that could alter how power is bought and sold across its footprint. The move comes after a dramatic rise in capacity prices tied primarily to requests from data centers to connect to the grid, concerns about potential electricity shortfalls as soon as 2027 and political intervention aimed at capping prices.
PJM framed the issue as a tension between the price signals needed to spur new generation and the political and regulatory responses that have followed recent price spikes. The operator said that this cycle - high demand producing sharp price increases, followed by interventions to limit those prices - has produced a credibility problem that deters long-term investment in new power plants.
What PJM said
PJM described the dynamics in stark terms, noting that while higher capacity prices are intended to attract developers to build additional generation, that supply has not arrived quickly enough to head off potential shortfalls. "Prices must rise to attract new supply, but those same price spikes also trigger interventions that undermine confidence those prices will hold," PJM said. The company added that as a result, investment is delayed and shortages persist.
PJM also highlighted the unusual pace of change in demand patterns. "Typically, in the electric utility industry, you would expect some level of stability ... not this ramp-up that we haven’t experienced since, probably, the Industrial Revolution," PJM Chief Operating Officer Stu Bresler said.
Capacity market backdrop
The capacity market is PJM’s principal mechanism to ensure there is enough generation available during the highest-demand hours of the year. Capacity prices are set through an annual auction and are designed to send signals to developers to build new plants when needed. However, recent auctions have seen capacity prices spike by more than 1,000% over the last two cycles, driven in large part by significant new requests to hook data centers into the grid.
That spike in capacity costs has prompted political scrutiny and direct intervention. Last year, a coalition of governors led by Pennsylvania’s Josh Shapiro successfully pressured PJM to impose a cap on capacity prices. At the same time, rising electricity bills for households and small businesses in the region have drawn additional attention and intervention in PJM’s operations.
Reform pathways under consideration
In January, PJM’s board directed staff to explore alternatives to the existing market design. On Wednesday the operator set out three potential pathways for reform, each placing greater emphasis on long-term contracting compared with the current short-term structure.
- Long-term contract default: One pathway would make long-term contracts the primary vehicle for most electricity sales inside PJM, moving the system away from heavy reliance on the annual capacity auction. Under this option, the capacity market would continue to operate but at a greatly reduced scale.
- Optional state-level trade-offs: A second proposal would permit PJM stakeholders - potentially including entire states - to opt into arrangements that limit what they pay for capacity in exchange for accepting more limited reliability for their electricity supply.
- Smaller capacity market with energy recovery: The third pathway would greatly shrink the capacity market and shift revenue recovery into separate energy markets instead.
PJM said these pathways are intended to provide a framework for discussion among the hundreds of stakeholders who participate in its processes. "The choices involve real trade-offs affecting different parties in different ways," PJM said.
Next steps and implications
The operator emphasized that the options are discussion frameworks rather than final decisions. The pathways will be reviewed and debated by stakeholders across the region. PJM has warned of potential electricity shortfalls as early as 2027 if new supply does not come online, and it linked the current market dynamics to a cycle in which political interventions undermine the price signal needed to finance new generation.
How PJM and its stakeholders resolve the trade-offs between price signals, political pressures and reliability expectations will shape investment decisions for power generation and network operations across the Mid-Atlantic and Midwest states served by the grid.