The price is also below the $177/MW-day floor set in the price collar that states suggested and PJM applied to FERC to extend.
Just for comparison in previous auctions, the clearing price for base power auctions were $28.92/MW-day in February 2023, $269.92/MW-day in July 2024, $329/MW-day in July 2025 (without the cap $389/MW-day) and $329/MW-day in December ($529/MW-day without the cap), according to PJM.
PJM said Incremental Auctions provide a mechanism for capacity suppliers to sell and purchase capacity and a means for PJM to adjust previously committed capacity levels due to Reliability Requirement increases or decreases.
A key difference between this auction and the last capacity auction was estimated power peak load demand was reduced by 2.5 GW and higher effective load-carrying capacity ratings for many generation resources during the winter, according to Graham.
The peak demand estimates are driven by changing, estimated A.I. data center demands.
PJM has not yet commented on the results of the auction, other than issuing the auction results
Click Here for a copy of the PJM auction results.
Visit the PJM Interconnection website for more information.
[Note: This post will be updated when more information becomes available.]
Resource Links:
-- Senate PUC Budget Hearing: PUC Chair Says PJM Market Auction Not Designed For Data Center Demands; PA Needs To Diversify Fuels Used To Generate Electricity; Bring Your Own Power Critical [PaEN]
-- Sen. Yaw Urges FERC To Allow PJM To Keep Charging Pennsylvania Ratepayers Record High Capacity Auction Prices For Power, But Charge Other States Even More [PaEN]
-- House Committee Reports Out Bills To Require Data Centers To Disclose Energy, Water Use, Direct DCED To Develop Model Data Center Ordinance [PaEN]
-- New Comprehensive Report Lays Out Case For 3-Year A.I. Data Center Moratorium To Be Introduced In Pennsylvania [PaEN]
[Posted: March 9, 2026] PA Environment Digest
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