# Rattlesnake Den

ERCOT asset profile · https://askthegrid.com/assets/facilities/rattlesnake-den

SunEdison LLC · Glasscock County · ERCOT

Rattlesnake Wind Energy Center is a 207.2 MW onshore wind facility in Glasscock County, Texas. EIA's May 2026 inventory lists one operating generator under Plant ID 59943, with SunEdison LLC as the registered operator and July 2015 as the service month. Invenergy's project announcements describe a 207 MW facility using 118 GE 1.7 MW turbines, project financing led by a Morgan Stanley affiliate, Blattner as general contractor and System 3 as the substation and transmission-line contractor. Invenergy announced commercial operation on September 17, 2015; that project milestone is kept separate from the EIA service month.

## Profile

- **Grid role:** Utility-scale onshore wind generation in West Texas.
- **Equipment:** 118 GE 1.7 MW wind turbines.
- **Financing:** Construction and term financing led by a Morgan Stanley affiliate; tax-equity parties were not disclosed.
- **Operating dates:** July 2015 EIA service month · September 17, 2015 Invenergy commercial-operation announcement.

## Metrics

- **Operating capacity:** 207.2 MW — EIA
- **Project scope:** 207 MW — Invenergy
- **Wind turbines:** 118 — GE 1.7 MW
- **Commercial operation:** Sep 17, 2015 — Invenergy
- **Registry anchor:** Plant 59943 — SunEdison LLC

## Facts

- **Operating capacity:** 207.2 MW — EIA · confidence: high
- **Equipment:** 118 GE 1.7 MW turbines — Invenergy · confidence: high
- **Registered operator:** SunEdison LLC — EIA · confidence: high

## Related parties

- **Project company:** Rattlesnake Wind I LLC — Invenergy Rattlesnake financing
- **Developer and former owner:** Invenergy — Invenergy Rattlesnake operation announcement ([source](https://invenergy.com/))
- **Sole lead arranger, administrative agent and lender for construction and term financing:** Morgan Stanley — Invenergy Rattlesnake financing ([source](https://www.morganstanley.com/))
- **Substation and transmission-line contractor:** System 3 — Invenergy Rattlesnake financing

## 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.
- [Invenergy Rattlesnake financing](https://invenergy.com/news/invenergy-completes-financing-for-207-mw-texas-wind-project) — Invenergy · official — Project scope, equipment, financing and contractors.
- [Invenergy operation announcement](https://invenergy.com/news/invenergy-announces-start-of-commercial-operation-of-rattlesnake-wind-energy-center) — Invenergy · official — Commercial-operation milestone.

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Canonical page: https://askthegrid.com/assets/facilities/rattlesnake-den
Website: [Rattlesnake Wind](https://invenergy.com/news/invenergy-announces-start-of-commercial-operation-of-rattlesnake-wind-energy-center)
Profile published: 2026-07-17T03:34:43.269Z
Source: Ask the Grid — https://askthegrid.com/