# Thad Hill Energy Center

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

Calpine · Bosque County · ERCOT

Thad Hill Energy Center is an operating five-generator natural-gas combined-cycle facility in Bosque County, Texas, formerly named Calpine Bosque Energy Center. EIA's May 2026 inventory reports 807 MW nameplate, 763 MW net summer, and 801 MW net winter capability across three combustion turbines and two steam turbines. The units began operating in 2000, 2001, and 2010. A separate CyrusOne data center adjacent to the plant is under construction; the operating power plant is not.

## Profile

- **Grid role:** Operating combined-cycle generation in ERCOT with power service committed to an adjacent data center.
- **Operating configuration:** Three combustion turbines and two steam turbines; 807 MW total nameplate.
- **Market mapping:** ERCOT's current public price list includes BOSQUESW_CC1 and BOSQUESW_CC2.
- **Adjacent development:** Calpine and CyrusOne announced 400 MW of powered-land service in two phases for the adjacent DFW10 data center.

## Metrics

- **Net summer capacity:** 763 MW — EIA May 2026 · five generators
- **Nameplate capacity:** 807 MW — 3 combustion turbines · 2 steam turbines
- **Net winter capacity:** 801 MW — EIA May 2026
- **2025 generation:** 3.80 TWh — EIA 923 · May 2025-April 2026
- **Registry anchor:** Plant 55172 — Thad Hill Energy Center, LLC

## Facts

- **Owner / operator:** Thad Hill Energy Center, LLC — Formerly Calpine Bosque Energy Center, LLC · confidence: high
- **Operating generators:** 5 — 2000 · 2001 · 2010 · confidence: high
- **Settlement points:** BOSQUESW_CC1 / CC2 — ERCOT current public listing · confidence: high
- **TCEQ entity:** RN100226232 — O1886 · NSR 40620 · confidence: high

## Related parties

- **Owner / operator:** Calpine — Owner / operator for Thad Hill Energy Center ([source](https://calpine.com/))

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current units, ratings, dates, operator, technology, and balancing authority.
- [Calpine and CyrusOne powered-land announcement](https://www.calpine.com/calpine-and-cyrusone-announce-thad-hill-energy-center-powered-land-to-support-hyperscale-data-center-development-in-texas/) — www.calpine.com · official — Official operating, ownership, or project context for the exact facility.
- [Thad Hill facility name-change filing](https://interchange.puc.texas.gov/Documents/57367_1_1445592.PDF) — interchange.puc.texas.gov · regulatory — Additional primary-source operating or regulatory evidence.

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Canonical page: https://askthegrid.com/assets/facilities/thad-hill-energy-center
Website: [Calpine](https://calpine.com/)
Profile published: 2026-07-17T03:34:53.554Z
Source: Ask the Grid — https://askthegrid.com/