Markets

IESO
IESO Seeks Feedback on Revised Storage Model
IESO opened discussions on new rules for storage facilities and hybrid resources that will enable the provision of regulation service.
Constellation Energy
FERC Approves Constellation Purchase of Calpine with Conditions
FERC approved Constellation's purchase of Calpine, which will create an even bigger IPP with nearly 60 GW around the country, with the biggest share of that in PJM.
PJM
PJM Capacity Prices Hit $329/MW-day Price Cap

The clearing price is the highest in PJM history and an increase of $59.22 (22%) from last year’s record for the RTO.

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SPP MOPC Briefs: July 15-16, 2025
SPP stakeholders resoundingly rejected a proposed tariff change to integrate large loads, pushing back against what some say is a rushed process outside of the normal stakeholder structure.
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FERC Sides with Market Monitor over MISO in Compensation Dispute
FERC sided with MISO IMM David Patton, denying a petition from MISO that would have prevented the RTO from reimbursing the Monitor for reviewing the market impact of transmission planning.
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WRAP Task Force Explores Optimization Under Day-ahead Markets
A new task force will examine how the WPP’s WRAP can continue to operate efficiently under the new multimarket environment emerging in the West.
Yes Energy
Industry Experts Find Faults in DOE’s Resource Adequacy Analysis
Industry experts say that while DOE's report points to a well known issue, it focuses only on keeping old plants online instead of needed new capacity.
Shutterstock
FERC Proposes to Eliminate Western ‘Soft’ Price Cap
FERC is moving to rescind the West-wide wholesale electricity price cap mechanism it instituted in 2002 in response to widespread price manipulation during the Western energy crisis of 2000/01.
Andre m, CC BY-SA 3.0, via Wikimedia Commons
Calif. Pathways Bill Delayed After Orgs Withdraw Support, While Newsom Signals Backing for Effort
The author behind the bill that would allow CAISO to relinquish market governance to an independent RO has delayed a hearing after several organizations withdrew support for the proposed legislation.
Shutterstock
NYISO: LBMPs Spiked in June from Heat Wave
The heat wave at the end of June caused the average locational-based marginal price for the month to increase dramatically, NYISO said.

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