The agreement announced March 18 is valued at $5 billion before closing adjustments, or approximately $1,142/kW of capacity.

Constellation deferred on asking the Market Implementation Committee to vote on a quick-fix proposal to account for any downtime dual-fuel gas generators may require when switching fuels.

PJM, Constellation and the Independent Market Monitor plan to bring competing proposals to define rules for operating battery storage as a transmission asset.

PJM has updated its thinking on the design of its reliability backstop procurement to meet rising data center load, gravitating toward a model in which the RTO would determine the amount of capacity to be purchased and act as the administrator and counterparty to the resulting agreements.

The Department of Energy ordered PJM and Constellation Energy to keep the 760-MW Eddystone Generating Station online through May 24.

Constellation Energy reported a net income of $2.32 billion in 2025 and gave updates on the planned restart of the former Three Mile Island nuclear facility.

PJM and stakeholders laid out their initial thoughts on the structure of the in-development reliability backstop procurement as the RTO looks to meet a September target set out by the White House and all 13 member states’ governors.

FERC upheld its approval of Constellation Energy’s purchase of Calpine while also addressing arguments from consumer and environmental groups.

PJM’s Market Implementation Committee passed by acclamation a PJM issue charge seeking to more thoroughly define how storage resources participate in the energy and ancillary service markets.

In Massachusetts, a state with some of the most ambitious decarbonization policies in the country, fundamental disagreements between utilities and consumer advocates threaten to derail the transition from natural gas before it even gets off the ground.