# HO Clarke Generating

ERCOT asset profile · https://askthegrid.com/assets/facilities/ho-clarke-generating

CPS Energy · Harris County · ERCOT

H.O. Clarke Generating Station is an eight-unit natural-gas fast-start generating station in Harris County, Texas. EIA's May 2026 inventory reports 484 MW nameplate, 356 MW net summer, and 398.4 MW net winter capability across eight 60.5 MW combustion-turbine records. PROENERGY's project record uses a 384 MW gross project rating and identifies eight LM6000-family packages; those company and EIA capacity scopes are kept separate. CPS Energy acquired the facility on September 24, 2025, while PROENERGY continues to operate and maintain it under contract.

## Profile

- **Grid role:** Fast-start dispatchable peaking generation in ERCOT.
- **EIA configuration:** Eight 60.5 MW generator records total 484 MW nameplate, 356 MW net summer, and 398.4 MW net winter capability.
- **Company project scope:** PROENERGY identifies eight LM6000-family packages and a 384 MW gross project rating.
- **Current ownership:** CPS Energy acquired the facility on September 24, 2025; PROENERGY continues contracted staffing, operation, and maintenance.

## Metrics

- **Net summer capacity:** 356 MW — EIA May 2026
- **Nameplate capacity:** 484 MW — EIA May 2026
- **Net winter capacity:** 398.4 MW — EIA May 2026
- **Company project rating:** 384 MW — PROENERGY
- **Operating generators:** 8 — 60.5 MW each · EIA
- **Current owner:** CPS Energy — September 24, 2025

## Facts

- **Net summer capacity:** 356 MW — EIA May 2026 · confidence: high
- **Nameplate capacity:** 484 MW — EIA May 2026 · confidence: high
- **Company project rating:** 384 MW — PROENERGY · confidence: high
- **Current owner:** CPS Energy — CPS Energy portfolio acquisition closing · confidence: high
- **Contracted operator and maintainer:** PROENERGY — CPS Energy portfolio acquisition closing · confidence: high

## Related parties

- **EIA registered operator:** City of San Antonio - (TX) — EIA May 2026 generator inventory

## 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.

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Canonical page: https://askthegrid.com/assets/facilities/ho-clarke-generating
Website: [CPS Energy](https://newsroom.cpsenergy.com/cps-energy-closes-on-previously-announced-acquisition-of-1632-megawatt-power-generation-portfolio-in-southeast-texas/)
Profile published: 2026-07-17T03:34:25.154Z
Source: Ask the Grid — https://askthegrid.com/