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Vistra Corp.

Begin commercial operations of Phase II battery energy storage at Moss Landing Power Plant

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
5 Aug 2020
Due
31 Aug 2021
  • Deadline
  • Met
  • Late
  • Not met
  • Today

What the company said

“Phase II commercial operations expected to begin prior to August 2021”
  • SourceVistra Corp. Form 8-K press release, 2020-08-05
  • FilingSEC filing index
  • Deadline as statedprior to August 2021
  • Deadline used31 Aug 2021, the last day of the stated period
  • TypeFacility
  • Permanent referenceKI-C-2020-VST-011870
    Cite as https://keptindex.org/c/KI-C-2020-VST-011870/ — this address never changes.

What we found

Evidence strength A What the grades mean

Later 10-Q filings state Moss Landing Phase II commenced commercial operations in July 2021, before the August 2021 deadline.

  • A
    Vistra Corp. 10-Q filed 2021-11-05 Regulatory filing · published 5 Nov 2021 · retrieved 16 Oct 2026 · kept permanently by the SEC · fingerprint 3c5ebfdc34dd
    “Moss Landing Phase II commenced commercial operations in July 2021.” ✓ confirmed on the page
  • A
    Vistra Corp. 10-Q filed 2022-11-04 Regulatory filing · published 4 Nov 2022 · retrieved 16 Oct 2026 · kept permanently by the SEC · fingerprint b93369ae125c
    “Moss Landing Phase II commenced commercial operations in July 2021.” ✓ confirmed on the page

Market reaction: the shares moved +0.6% against the S&P 500 over the three sessions around the disclosure (4 Nov 2021 to 9 Nov 2021). 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
Production start
Indicative materiality
High rules
Action
Begin
Deliverable
Phase II battery energy storage at Moss Landing Power Plant
Where
California
Language
Expected (“expects”, “plans”)
In the company’s control
Medium
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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