---
title: "Otter Tail files 2026 IRP proposing 150 MW additions and major renewables buildout"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286599978.md"
description: "Otter Tail has filed a 2026 Integrated Resource Plan proposing the addition of 150 MW in new gas and wind capacity, along with solar and storage projects. The plan includes a 50 MW natural gas plant by 2032, two 50 MW wind facilities by 2040, and confirms near-term projects like the 50 MW Solway Solar in 2026 and 295 MW Abercrombie Solar in 2028. The Coyote coal plant will cease service by December 31, 2031."
datetime: "2026-05-15T18:03:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286599978.md)
  - [en](https://longbridge.com/en/news/286599978.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286599978.md)
---

# Otter Tail files 2026 IRP proposing 150 MW additions and major renewables buildout

**Otter Tail filed a 2026 Integrated Resource Plan proposing new gas and wind capacity and advancing solar and storage projects.**

**Key Highlights:**

-   Files 2026 IRP with Minnesota MPUC outlining preferred plan to meet customer capacity and energy needs over 15 years.
-   Proposes adding a 50 MW natural gas plant (expected in 2031–2032) and two 50 MW wind facilities (2035 and 2040) to its fleet.
-   Confirms near-term projects: 50 MW Solway Solar (2026), 295 MW Abercrombie Solar (2028), a 75 MW battery and additional wind builds.
-   Plans to designate Minnesota’s share of the Coyote coal plant as Available Maximum Emergency starting June 1, 2026, ceasing service from Coyote by Dec 31, 2031 at the latest.

Original SEC Filing: Otter Tail Corp \[ OTTR \] - 8-K - May. 15, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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