PJM Interconnection

Consortium

PJM Interconnection operates the largest grid in the US, managing the wholesale electricity market and ensuring reliability for 65 million people.

Sector: grid-operator
HQ: PA, US
Founded: 1997
Stories: 103 on MGRID.org

Stories about PJM Interconnection (103)

FERC and NERC Report 49,700 MW of Eastern Outages in January, and No Data Center Backup Was Used

September 11, 2026 · Analysis

3 sources FERC and NERC staff found Eastern Interconnection outages peaked near 49,700 MW in January, roughly half the Winter Storm Elliott total, while 15 first-ever DOE emergency orders authorizing…
Oklo Asks FERC to Reverse PJM’s Withdrawal of a 750 MW Project Over an Inverter Ride-Through Test

August 31, 2026 · FERC & Federal

4 sources Oklo asked FERC on August 28 to order PJM to reinstate a 750 MW mixed-fuel project that PJM cut from its first reformed study cycle over a low-voltage…
Ohio Utilities Planned 4.3 Billion in Local Transmission While a FERC Complaint Sat for Three Years

August 28, 2026 · FERC & Federal

5 sources The Office of the Ohio Consumers' Counsel returned to federal regulators on August 27, 2026.
Ohio Utilities Planned $4.3 Billion of Local Transmission While a FERC Complaint Sat for Three Years

August 28, 2026 · FERC & Federal

5 sources The Office of the Ohio Consumers' Counsel urged FERC to rule on a local transmission complaint it filed in September 2023. Ohio utilities have planned more than $4.3…
PJM Approved Two of Eight Surplus Interconnection Applications While 150 GW Sits Behind Existing Plants

August 22, 2026 · Capacity & Wholesale Markets

5 sources PJM Interconnection has opened a second attempt at surplus interconnection service, a pathway that reuses the grid connection of an existing power plant. The operator has approved two…
DOE Keeps 397-MW Wagner Oil Unit Running Past Permit Limits Through November 17

August 19, 2026 · FERC & Federal

5 sources The Department of Energy has ordered Wagner Unit 4 in Maryland to run past its 438-hour air-permit cap through November 17, the fourth such order on the same…
PPL and Blackstone Reserve More Than 5 GW of Gas Turbines as PPL’s Data Center Pipeline Hits 31.8 GW

August 10, 2026 · Data Centers

5 sources PPL Corporation and Blackstone Infrastructure have reserved more than 5 GW of combined-cycle gas turbines for Pennsylvania data centers through their Invitium Energy joint venture, backed by $12.5…
Data Centers Drove $6.3 Billion of PJM’s Latest Capacity Auction Cost, Market Monitor Says

July 23, 2026 · Analysis

4 sources PJM's independent market monitor attributes $6.3 billion of the latest capacity auction's $16.4 billion cost to data centers, and $29.4 billion across the last four auctions, ahead of…
FERC Denies Advanced Power’s Turbine Swap for the $2 Billion Chestnut Run Gas Plant in PJM Fast-Track

July 14, 2026 · FERC & Federal

3 sources Federal energy regulators rejected Advanced Power's request to swap turbines at its Chestnut Run gas plant in Ohio, ruling the change would delay other projects in PJM's fast-track…
PJM 2028/2029 Capacity Auction Clears at $325/MW-Day Cap, Falls 6,831 MW Short as Data-Center Demand Climbs

July 14, 2026 · Capacity & Wholesale Markets

4 sources PJM Interconnection's 2028/2029 Base Residual Auction cleared at the $325/MW-day federal cap, procuring 138,318 MW yet still landing 6,831 MW short of its reliability target as data-center demand…