# Hidalgo Energy Center

ERCOT asset profile · https://askthegrid.com/assets/facilities/hidalgo-energy-center

Calpine and Brownsville PUB · Hidalgo County · ERCOT

Hidalgo Energy Center is a three-generator natural-gas combined-cycle facility in Edinburg, Texas. EIA's May 2026 inventory reports 551.3 MW nameplate, 495 MW net summer, and 543 MW net winter capability across two combustion turbines and one steam turbine, all dated June 2000.

## Profile

- **Grid role:** Jointly owned dispatchable combined-cycle generation in ERCOT.
- **Operating configuration:** Two 176.6 MW combustion turbines and one 198.1 MW steam turbine.
- **Capacity scope:** EIA reports 551.3 MW nameplate, 495 MW net summer, and 543 MW net winter capability.
- **Ownership:** Calpine reports a 78.5% interest; Brownsville PUB reports a rounded 21% interest and 105 MW share.

## Metrics

- **Net summer capacity:** 495 MW — EIA May 2026
- **Nameplate capacity:** 551.3 MW — EIA May 2026
- **Net winter capacity:** 543 MW — EIA May 2026
- **Calpine interest:** 78.5% — Calpine 2025 filing
- **BPUB interest:** 21% / 105 MW — Brownsville PUB
- **Registry anchor:** Plant 55545 — Calpine Corp - Hidalgo

## Facts

- **Net summer capacity:** 495 MW — EIA May 2026 · confidence: high
- **Nameplate capacity:** 551.3 MW — EIA May 2026 · confidence: high
- **Net winter capacity:** 543 MW — EIA May 2026 · confidence: high
- **Calpine interest:** 78.5% — Calpine · confidence: high
- **BPUB interest:** 21% / 105 MW — Brownsville PUB · 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.

---

Canonical page: https://askthegrid.com/assets/facilities/hidalgo-energy-center
Website: [Calpine](https://www.calpine.com/)
Profile published: 2026-07-17T03:34:24.695Z
Source: Ask the Grid — https://askthegrid.com/