PJM Interconnection Stocks
Merchant power generators and integrated utilities operating within the PJM Interconnection footprint leverage competitive wholesale markets to monetize base-load nuclear and flexible gas-fired capacity across the mid-Atlantic and Midwest.
As of Oct 23, 2026, PJM Interconnection has 9 US-listed companies worth $416B combined. The median member moved -0.1% over the past week; D led at +2.6% and VST trailed at -7.8%.
Companies in PJM Interconnection
- CEG – Constellation Energy Corp, $89.8B
- AEP – American Electric Power Co Inc, $70.6B
- D – Dominion Energy Inc, $57.5B
- VST – Vistra Corp., $47.3B
- EXC – Exelon Corporation, $46.2B
- PEG – Public Service Enterprise Group Inc, $35.9B
- FE – FirstEnergy Corporation, $26.7B
- PPL – PPL Corporation, $26.3B
- TLN – Talen Energy Corporation, $15.5B