# Louisiana 1

MISO asset profile · https://askthegrid.com/assets/facilities/louisiana-1

## Current generation inventory

EIA plant 1391 · Inventory reporting month: 2026-08.

- other: 148.5 MW operating nameplate
- natural gas: 302.4 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T02:12:40.665346+00:00
- Filed coordinate (longitude, latitude): -91.1864, 30.4922
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2024-05-30 22:51:23+00:00
- Map prepared: 2026-10-10T02:28:21.609654+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

Louisiana 1 is a 450.9 MW natural gas fired combustion turbine, other gases plant in East Baton Rouge County. Louisiana Station is a combined-cycle cogeneration plant in Baton Rouge that supplies electricity and steam to ExxonMobil's adjacent refining and chemicals complex, its sole customer. It consists of gas turbines, heat recovery steam generators, conventional boilers and steam turbines. Entergy Louisiana is the registered owner, Entergy ran operations until May 2019, and EthosEnergy has operated and maintained the plant since under a five-year contract with ExxonMobil.

## Reviewed metrics

- **Nameplate capacity:** 450.9 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 1391 — plant-1391

## Facts

- **Technology:** Natural Gas Fired Combustion Turbine, Other Gases
- **Operator:** EthosEnergy

## Related parties

- **Owner:** Entergy Louisiana — owner ([source](https://www.entergylouisiana.com))
- **Offtaker:** ExxonMobil — offtaker ([source](https://corporate.exxonmobil.com))

## Sources

- [frs-public.epa.gov](https://frs-public.epa.gov/ords/frs_public2/fii_query_detail.disp_program_facility?p_registry_id=110001244957) — frs-public.epa.gov · authoritative — Source retained for exact-record publication review.
- [theadvocate.com](https://www.theadvocate.com/baton_rouge/news/business/entergy-ends-contract-to-operate-maintain-exxonmobil-refinery-power-plant-ethosenergy-taking-over-contract/article_c4ef8e58-5574-11e9-a21e-33e3e429a665.html) — theadvocate.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/louisiana-1
Website: [Entergy Louisiana](https://www.entergylouisiana.com)

Source: Ask the Grid — https://askthegrid.com/