# Attala

MISO asset profile · https://askthegrid.com/assets/facilities/attala

## Current generation inventory

EIA plant 55220 · Inventory reporting month: 2026-08.

- natural gas: 551.3 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): -89.6753, 33.0147
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2023-05-02 18:12:45+00:00
- Map prepared: 2026-10-10T02:28:22.763746+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

Attala is a natural gas combined-cycle power plant near Kosciusko, in Attala County, Mississippi, owned by Entergy Mississippi. It uses General Electric combustion and steam turbines with Alstom heat recovery steam generators. After PG&E National Energy Group bought it in 2000, Central Mississippi Generating Company sold it to Entergy Mississippi, which acquired the plant in 2006.

## Reviewed metrics

- **Nameplate capacity:** 551.3 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 55220 — plant-55220

## Facts

- **Technology:** Natural Gas Fired Combined Cycle
- **Operator:** Entergy Mississippi
- **Operating status:** Operating

## Related parties

- **Owner / operator / acquirer:** Entergy Mississippi — owner ([source](https://www.entergy-mississippi.com))
- **Former owner / seller:** Central Mississippi Generating Company — former_owner
- **Former owner:** PG&E National Energy Group — former_owner

## Sources

- [naturalgasintel.com](https://naturalgasintel.com/news/entergy-unit-inks-deal-to-buy-480-mw-plant-in-mississippi/) — naturalgasintel.com · public_source — Source retained for exact-record publication review.
- [entergy.com](https://www.entergy.com/blog/sustainably-powering-future-with-clean-economical-modern-generation) — entergy.com · public_source — Source retained for exact-record publication review.
- [industrialinfo.com](https://www.industrialinfo.com/news/article/entergy-to-acquire-500-megawatt-attala-generating-plant-in-mississippi--58740) — industrialinfo.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/attala
Website: [Entergy Mississippi](https://www.entergy-mississippi.com)

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