secwatch.observer — SEC 8-K summary
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Issuer:     Tri-State Generation & Transmission Association, Inc. (—)
CIK:        0001637880
Form:       8-K
Filed at:   2026-05-28T16:21:20+00:00
Accession:  0001637880-26-000030
Event type: other_material
Sentiment:  negative
Materiality: 0.40
Item codes: 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Midwest Electric gives two-year notice to withdraw from Tri-State membership
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- Midwest provided non-conditional two-year withdrawal notice on May 27, 2026, effective June 1, 2028.
- Midwest accounted for 1.9% of Tri-State's utility member revenue and 1.3% of operating revenue in 2025.
- Withdrawal governed by FERC tariff Rate Schedule No. 281; contract termination payment to be determined.
- Tri-State states it cannot predict if Midwest will ultimately complete the withdrawal.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1637880/000163788026000030/0001637880-26-000030-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1637880/000163788026000030/tris-20260527.htm
  HTML page:      https://secwatch.observer/filing/0001637880-26-000030

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer