secwatch.observer — SEC 8-K summary
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Issuer:     Otter Tail Corp (OTTR)
CIK:        0001466593
Form:       8-K
Filed at:   2022-10-19T23:59:59+00:00
Accession:  0001466593-22-000060
Event type: regulatory
Sentiment:  neutral
Materiality: 0.60
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Otter Tail subsidiary updates IRP; cites FERC, MISO changes; dual fuel project details revised.
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- Otter Tail Power filed supplemental IRP update with Minnesota PUC on Oct 14, 2022, requesting procedural schedule amendment.
- Cites FERC-approved MISO seasonal resource adequacy construct and Inflation Reduction Act as factors requiring revised modeling.
- Updated modeling results and IRP revisions expected by March 31, 2023.
- Dual fuel capability at Astoria Station remains on track for 2026; secondary fuel source may shift from fuel oil to LNG.
- Filed similar letters with North Dakota and South Dakota public utility commissions.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1466593/000146659322000060/0001466593-22-000060-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1466593/000146659322000060/ottr-20221014.htm
  HTML page:      https://secwatch.observer/filing/0001466593-22-000060

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