# Sioux — Planned US generating-unit retirements: which plant and unit is scheduled to close, in which month, and what has been published before

For Sioux, eia plant id is 2107; generator id is 1; planned retirement year is 2028; planned retirement month is 12; operator is Union Electric Co - (MO), verified against its source on 2026-08-11.

- **Plant:** Sioux _(verified: appears in the quote below)_
- **EIA plant ID:** 2107 _(verified: appears in the quote below)_
- **Generator ID:** 1 _(verified: appears in the quote below)_
- **Planned retirement year:** 2028 _(verified: appears in the quote below)_
- **Planned retirement month:** 12 _(verified: appears in the quote below)_
- **Operator:** Union Electric Co - (MO) _(verified: appears in the quote below)_
- **EIA entity ID:** 19436 _(verified: appears in the quote below)_
- **Producer type:** Electric Utility _(verified: appears in the quote below)_
- **State:** MO _(verified: appears in the quote below)_
- **Net summer capacity (MW):** 487.0 _(verified: appears in the quote below)_
- **Technology:** Conventional Steam Coal _(verified: appears in the quote below)_
- **Fuel code:** SUB _(verified: appears in the quote below)_
- **Prime mover:** ST _(verified: appears in the quote below)_
- **EPM edition:** May 2026 _(verified: appears in the quote below)_

## What the source says

> 2028 | 12 | 19436 | Union Electric Co - (MO) | Electric Utility | Sioux | MO | 2107 | 1 | 487.0 | Conventional Steam Coal | SUB | ST |

## Source

- https://www.eia.gov/electricity/monthly/epm_table_grapher.php?t=table_6_06

Last verified: 2026-08-11. Review by: 2026-09-20.
Part of [Planned US generating-unit retirements: which plant and unit is scheduled to close, in which month, and what has been published before](https://referencesource.org/power-plant-retirement-schedule/).