# Horse Hollow Wind Energy Center

ERCOT asset profile · https://askthegrid.com/assets/facilities/horse-hollow-wind-energy-center

NextEra Energy Resources · Taylor and Nolan counties · ERCOT

Horse Hollow Wind Energy Center is a 735.5 MW wind complex in Taylor and Nolan counties, Texas. NextEra Energy Resources' project fact sheet reports 421 turbines across three phases: 142 GE 1.5 MW turbines in Horse Hollow I, 130 Siemens 2.3 MW turbines in Horse Hollow II, and 149 GE 1.5 MW turbines in Horse Hollow III. The first phase entered service in 2005-2006 and phases II and III in 2006; EIA groups the three phases under Plant ID 56291.

## Profile

- **Grid role:** Utility-scale wind generation in ERCOT.
- **Operating configuration:** Three phases with 421 turbines: 291 GE 1.5 MW machines and 130 Siemens 2.3 MW machines.
- **Geography:** The complex spans Taylor and Nolan counties; the EIA plant coordinate and registry county are in Taylor County.
- **Historical context:** At its 2006 dedication, the completed 735.5 MW complex was described as the world's largest wind farm.

## Metrics

- **Operating capacity:** 735.5 MW — EIA May 2026 · three phases
- **Turbines:** 421 — 291 GE · 130 Siemens
- **Horse Hollow I:** 213 MW — 142 GE 1.5 MW turbines
- **Horse Hollow II:** 299 MW — 130 Siemens 2.3 MW turbines
- **Horse Hollow III:** 223.5 MW — 149 GE 1.5 MW turbines
- **Registry anchor:** Plant 56291 — FPL Energy Horse Hollow LLC

## Facts

- **Registered operator:** FPL Energy Horse Hollow LLC — EIA May 2026 · confidence: high
- **Operating phases:** 3 — 2005-2006 vintages · confidence: high
- **Current parent:** NextEra Energy Resources — Official project fact sheet · confidence: high
- **Site area:** Approximately 47,000 acres — Project and transmission records · confidence: high

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current generators, capacity scopes, dates, operator, technology, and balancing authority.
- [NextEra Horse Hollow fact sheet](https://www.nexteraenergyresources.com/content/dam/neer/us/en/pdf/portfolio/horsehollow.pdf) — NextEra Energy Resources · official — Phase capacities, turbine counts and manufacturers, counties, and operating years.

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Canonical page: https://askthegrid.com/assets/facilities/horse-hollow-wind-energy-center
Website: [NextEra Energy Resources](https://nexteraenergyresources.com/)
Profile published: 2026-07-17T03:34:25.683Z
Source: Ask the Grid — https://askthegrid.com/