# Glen Ullin Station 6 unit 1, ND — planned retirement, EIA data for April 2026

For Glen Ullin Station 6 unit 1, ND, planned retirement year is 2026; planned retirement month is 6; net summer capacity (mw) is 5.3; technology is All Other; fuel code is WH; operator is Montana-Dakota Utilities Co, verified against its source on 2026-10-16.

- **Plant:** Glen Ullin Station 6 _(verified: appears in the quote below)_
- **EIA plant ID:** 57172 _(verified: appears in the quote below)_
- **Generator ID:** 1 _(verified: appears in the quote below)_
- **Planned retirement year:** 2026 _(verified: appears in the quote below)_
- **Planned retirement month:** 6 _(verified: appears in the quote below)_
- **Superseded by:** Already retired. EIA's Form 860M now lists this unit under 'Inventory of Retired Generators as of July 2026', with a retirement of 6/2026 -- the month this page prints as a plan, which has since happened. Read from the permanent archived copy at https://www.eia.gov/electricity/data/eia860m/archive/xls/july_generator2026.xlsx. _(our reading, not quoted from the source)_
- **Operator:** Montana-Dakota Utilities Co _(verified: appears in the quote below)_
- **EIA entity ID:** 12199 _(verified: appears in the quote below)_
- **Producer type:** Electric Utility _(verified: appears in the quote below)_
- **State:** ND _(verified: appears in the quote below)_
- **Net summer capacity (MW):** 5.3 _(verified: appears in the quote below)_
- **Technology:** All Other _(verified: appears in the quote below)_
- **Fuel code:** WH _(verified: appears in the quote below)_
- **Prime mover:** ST _(verified: appears in the quote below)_
- **EPM edition:** April 2026 _(verified: appears in its own passage below)_

## What the source says

> 2026 6 12199 Montana-Dakota Utilities Co Electric Utility Glen Ullin Station 6 ND 57172 1 5.3 All Other WH ST

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### EPM edition

> Table 1.1. Net Generation by Energy Source: Total (All Sectors), 2016-April 2026

## Source

- https://www.eia.gov/electricity/monthly/archive/june2026.pdf

Last verified: 2026-10-16. Review by: 2026-11-25.
Part of [Planned US generating-unit retirements, as EIA published them in one named month's Electric Power Monthly](https://referencesource.org/power-plant-retirement-schedule/).