US · MARKET DESIGN

PJM

How the electricity market is organised in PJM: the operators and regulator, the markets that apply here, and the developments changing them.

Markets that apply

Ancillary services Capacity DA energy (LMP)FTRs / ARRs RT energy (LMP)

US nodal markets operated in this footprint.

Developments

9 tracked developments touching PJM.

06 NOV 2026

PJM Market Monitor Doubles Down: Nov. 5 Answer Rebuts NextEra–Dominion Rebuttal, Reiterates Merger Should Be Rejected

Regulatory review · ENERGY MARKETS · United States – PJM Interconnection (Virginia, Pennsylvania, Ohio, Carolinas)

05 NOV 2026

PJM IMM Doubles Down on Sampling Safeguards, Adds CBL-Based Performance Metric Demand in Second Round of FERC Briefing

Regulatory review · ADEQUACY & CAPACITY MARKETS · United States – PJM Interconnection (multi-state RTO: PA, OH, IL, VA, MD, WV, DE, MI, NJ, TN, NC, KY, IN)

18 OCT 2026

PJM Independent Market Monitor Opposes AEP–Longview Section 203 Acquisition Absent Behavioral Market Power Mitigation

Regulatory review · ADEQUACY & CAPACITY MARKETS · United States – PJM Interconnection (APS Zone / PJM West submarket, West Virginia/Pennsylvania/Maryland border area)

14 OCT 2026

PJM IMM Opposes KKR–EDF Section 203 Acquisition Absent Commitment to Keep 938 MW in PJM Markets

Regulatory review · ADEQUACY & CAPACITY MARKETS · United States – PJM Interconnection (OH, IL, PA, and broader multi-state RTO footprint)

09 OCT 2026

PJM's Interim Resource Adequacy Service (IRAS) for Data Center Curtailment Faces IMM Rejection at FERC

Regulatory review · ADEQUACY & CAPACITY MARKETS · United States – PJM Interconnection (multi-state RTO: PA, OH, VA, MD, WV, DE, IL, MI, NJ, TN, NC, KY, IN)

02 OCT 2026

PJM Confirms RBP Suspension, Elaborates on FERC's Conditional Acceptance and Eligibility Scope

Decision · ADEQUACY & CAPACITY MARKETS · United States (PJM region)

01 OCT 2026

IMM Backs PaPUC Complaint Challenging PJM's Asymmetric Benefit/Cost Methodology for Market Efficiency Transmission Projects

Regulatory review · ENERGY MARKETS · United States – PJM Interconnection (Pennsylvania, multi-zone regional)

15 SEPT 2026

PJM Market Monitor Urges FERC to Reject or Further Scrutinize MARA–Long Ridge Section 203 Deal Over BlackRock/Vanguard Affiliation

Regulatory review · ENERGY MARKETS · United States – PJM Interconnection (Ohio, AEP Zone)

11 SEPT 2026

PJM Files Interim Resource Adequacy Service (IRAS) Framework for Large Load Data Center Integration

Proposal · ADEQUACY & CAPACITY MARKETS · United States (PJM region)