# Columbia (WI) — Planned US generating-unit retirements: which plant and unit is scheduled to close, in which month, and what has been published before For Columbia (WI), eia plant id is 8023; generator id is 1; planned retirement year is 2029; planned retirement month is 12; operator is Wisconsin Power & Light Co, verified against its source on 2026-08-11. - **Plant:** Columbia (WI) _(verified: appears in the quote below)_ - **EIA plant ID:** 8023 _(verified: appears in the quote below)_ - **Generator ID:** 1 _(verified: appears in the quote below)_ - **Planned retirement year:** 2029 _(verified: appears in the quote below)_ - **Planned retirement month:** 12 _(verified: appears in the quote below)_ - **Operator:** Wisconsin Power & Light Co _(verified: appears in the quote below)_ - **EIA entity ID:** 20856 _(verified: appears in the quote below)_ - **Producer type:** Electric Utility _(verified: appears in the quote below)_ - **State:** WI _(verified: appears in the quote below)_ - **Net summer capacity (MW):** 568.0 _(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 > 2029 | 12 | 20856 | Wisconsin Power & Light Co | Electric Utility | Columbia (WI) | WI | 8023 | 1 | 568.0 | 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/).