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CMS Energy

Retire the Karn 1&2 coal plants

Delivered by the deadline

AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.

Announced
29 Oct 2020
Due
31 Dec 2023
  • Deadline
  • Met
  • Late
  • Not met
  • Today

What the company said

“2023 Karn 1&2 retirement”

What we found

Evidence strength A What the grades mean

Later 10-K filings state the Karn coal-fueled units, 515 MW, closed in June 2023, before the 2023 year-end deadline. The exact day is not given.

  • A
    CMS Energy 10-K filed 2024-02-08 Regulatory filing · published 8 Feb 2024 · retrieved 16 Oct 2026 · kept permanently by the SEC · fingerprint 31933e5ae85a
    “Karn coal-fueled generating units, totaling 515 MW of nameplate capacity; these units closed in June 2023” ✓ confirmed on the page
  • A
    CMS Energy 10-Q filed 2024-04-25 Regulatory filing · published 25 Apr 2024 · retrieved 16 Oct 2026 · kept permanently by the SEC · fingerprint 963b9b9a2ad3
    “this program concluded following the units’ retirement in June 2023.” ✓ confirmed on the page

Market reaction: the shares moved +1.3% against the S&P 500 over the three sessions around the disclosure (7 Feb 2024 to 12 Feb 2024). What this measures

Checked 16 Oct 2026.

Commitment DNA

The structured record of this commitment. Fields the company did not state are left blank rather than guessed.

Event type
Facility other
Indicative materiality
Medium rules
Action
Retire
Deliverable
Karn 1&2 coal plants retirement
In the company’s control
High
Specificity
High

How this entry was checked

  1. Commitment recordedThe company's words were matched word for word against the filing.
  2. First checkAn AI model, Claude (Anthropic), read the company's later filings and recorded the outcome with a quoted passage.
  3. Second check: agreesA different AI model, Gemini (Google), re-read the evidence without being told the outcome and reached the same answer.

Confirmed. This outcome counts towards the company's Kept Score. How verification works

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Report an error in this entry Reference: KI-C-2020-CMS-010710 · Corrections policy

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