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ComEd ratepayers are seeing relief on their electricity bills due to the Illinois Power Agency (IPA)'s Carbon Mitigation Credit (CMC) initiative. On April 13, the IPA announced that more than $580 million and counting has been credited to ComEd customers in the first quarter of 2026 alone, with monthly credits more than doubling from December 2025 to January 2026. In January alone, $404 million was distributed directly to customers as a separate line item on their bills.
Since the initiative launched in 2022, ComEd customers have received total credit of over $1.868 billion in bill credits. The roughly 3.8 million ComEd residential customers have saved an average of $177 each over the lifecycle of the program.
Established by the Climate and Equitable Jobs Act (CEJA), CMC contracts support the continued operation of nuclear plants through providing revenue certainty in exchange for carbon-free environmental attributes. CMC pricing is structured such that high energy prices result in excess assumed revenue for those plants, resulting in bill credits back to ratepayers. Under this structure, federal tax credits received by plants are considered revenue, thus causing tax credit benefits to be passed directly through to ComEd customers.
"The Carbon Mitigation Credit initiative continues to provide substantial benefits to ComEd ratepayers by lowering costs for consumers who are feeling the burden of rising electricity costs,” said IPA Director Brian Granahan. “Formed out of CEJA, the program has meaningfully supported clean energy in Illinois while insulating ratepayers from price spikes."
By law, contracts for the purchase of CMCs are set to conclude by Summer 2027. To learn more, visit the IPA’s Carbon Mitigation Credit web page.
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