ComEd Secures Transmission Security Agreements to Shield Customers from New Data‑Center Costs

EXC
January 07, 2026

ComEd announced on January 6, 2026 that it has signed a set of Transmission Security Agreements with eight large‑load customers, locking in revenue commitments for more than 6.5 GW of forecasted new load.

The take‑or‑pay structure obligates the customers to pay for up to ten years of transmission service, preventing more than $2 billion in transmission charges from being passed to existing customers over the next decade.

These agreements are part of Exelon’s $38 billion capital plan through 2028, with ComEd’s share of the 2023‑2026 plan at $11.1 billion, and help the company secure a predictable rate‑base expansion.

By shifting the financial burden of speculative data‑center projects to the developers, ComEd protects its residential and commercial customers and maintains regulatory goodwill, while positioning itself as a national model for utilities facing rapid load growth.

Gil Quiniones, President and CEO of ComEd, said the TSAs “are a model for how utilities and large‑load developers can responsibly meet growing power requests, ensuring that customers who impose very large demands pay their fair share.”

The agreements may still require approval from the Illinois Commerce Commission, but the initial signing marks a significant step toward mitigating phantom‑load risk and supporting the company’s long‑term growth strategy.

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