# Citadel Battery Storage Plant

ERCOT asset profile · https://askthegrid.com/assets/facilities/citadel-battery-storage-plant

Citadel BESS LLC · Harris County · ERCOT

Citadel Battery Storage Plant is a battery energy storage facility in Crosby, Harris County, Texas. EIA's May 2026 inventory reports a current operating rating of 204 MW / 298 MWh and a December 2024 service month. Citadel BESS LLC's April 2024 PUCT filing described the then-development-stage project as approximately 206 MW / 299 MWh, interconnected with CenterPoint Energy Houston Electric. Those current EIA and pre-operation filing scopes are presented separately. Reviewed primary sources do not identify an installed battery manufacturer, so no manufacturer is assigned.

## Profile

- **Grid role:** Standalone battery storage participating in ERCOT's wholesale market.
- **Current EIA rating:** 204 MW / 298 MWh · approximately 1.46 hours at nameplate power.
- **Development filing:** Approximately 206 MW / 299 MWh before operation.
- **Interconnection:** CenterPoint Energy Houston Electric transmission system.

## Metrics

- **Power capacity:** 204 MW — EIA May 2026
- **Energy capacity:** 298 MWh — EIA May 2026
- **Storage duration:** 1.46 hours — EIA nameplate ratio
- **Development scope:** 206 MW / 299 MWh — PUCT April 2024 filing
- **Commercial operation:** Dec 2024 — EIA May 2026
- **Registry anchor:** Plant 67738 — Citadel BESS LLC

## Facts

- **Current operating rating:** 204 MW / 298 MWh — EIA May 2026 · confidence: high
- **Registered operator:** Citadel BESS LLC — EIA May 2026 · confidence: high
- **Development-stage rating:** 206 MW / 299 MWh — PUCT filing · confidence: high
- **Transmission counterparty:** CenterPoint Energy Houston Electric — PUCT filing · confidence: high

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current generator records, capacity scopes, dates, status, operator, and technology.
- [Citadel BESS PUCT filing](https://interchange.puc.texas.gov/Documents/56408_1_1378265.PDF) — Public Utility Commission of Texas · regulatory — Development-stage rating, project company, wholesale-market role and transmission interconnection.

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Canonical page: https://askthegrid.com/assets/facilities/citadel-battery-storage-plant
Website: [Greenflash](https://interchange.puc.texas.gov/Documents/56408_1_1378265.PDF)
Profile published: 2026-07-17T03:34:09.037Z
Source: Ask the Grid — https://askthegrid.com/