# Big Bend unit ST4, FL — planned retirement, EIA data for June 2026

For Big Bend unit ST4, FL, planned retirement year is 2040; planned retirement month is 1; net summer capacity (mw) is 380; technology is Conventional Steam Coal; fuel code is BIT; operator is Tampa Electric Co, verified against its source on 2026-09-24.

- **Plant:** Big Bend _(verified: appears in the quote below)_
- **EIA plant ID:** 645 _(verified: appears in the quote below)_
- **Generator ID:** ST4 _(verified: appears in the quote below)_
- **Planned retirement year:** 2040 _(verified: appears in the quote below)_
- **Planned retirement month:** 1 _(verified: appears in the quote below)_
- **Operator:** Tampa Electric Co _(verified: appears in the quote below)_
- **EIA entity ID:** 18454 _(verified: appears in the quote below)_
- **Producer type:** Electric Utility _(verified: appears in the quote below)_
- **State:** FL _(verified: appears in the quote below)_
- **Net summer capacity (MW):** 380 _(verified: appears in the quote below)_
- **Technology:** Conventional Steam Coal _(verified: appears in the quote below)_
- **Fuel code:** BIT _(verified: appears in the quote below)_
- **Prime mover:** ST _(verified: appears in the quote below)_
- **EPM edition:** June 2026 _(verified: appears in its own passage below)_

## What the source says

> 2040 | 1 | 18454 | Tampa Electric Co | Electric Utility | Big Bend | FL | 645 | ST4 | 380 | Conventional Steam Coal | BIT | 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-June 2026

## Source

- https://www.eia.gov/electricity/monthly/archive/august2026.zip

Last verified: 2026-09-24. Review by: 2026-11-03.
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/).