# Buckthorn Westex

ERCOT asset profile · https://askthegrid.com/assets/facilities/buckthorn-westex

Clearway Energy Operating LLC · Pecos County · ERCOT

Buckthorn Westex is a solar power facility with 154 MW of EIA-reported operating capacity in Pecos County, Texas, registered as EIA Plant ID 60044. Buckthorn Westex, LLC is the registered plant entity or operator. Project filings list 1,696,500 solar panels and 58 inverters for the facility.

## Profile

- **Grid role:** Utility-scale solar generation in ERCOT's energy-only market.
- **Market node:** PECOS SOLAR WEST · 138 kV.
- **Physical build:** Utility-scale solar photovoltaic plant (Buckthorn Westex / RIGGINS) in Pecos County, TX — single generating unit ~150–154 MW AC; installed PV modules supplied by First Solar (reported 1,696,500 modules), 58 central inverters supplied by Power Electronics USA, and horizontal single-axis trackers supplied by NEXTracker. Plant came online in 2018 (single unit).

## Metrics

- **Reported capacity:** 154 MW — EIA-reported plant capacity; other capacity bases are withheld pending reconciliation.
- **Technology:** Solar Photovoltaic — Primary generation technology.
- **Registry anchor:** Plant 60044 — Buckthorn Westex, LLC · Pecos County · ERCOT
- **Operating status:** Operating — Buckthorn Westex is operating.
- **Settlement point:** RIGGIN_UNIT1 — ERCOT settlement point.
- **Equipment:** 1,696,500 panels / 58 inverters — Installed equipment documented in public project records. ([source](https://www.firstsolar.com/en/Products/Series-6))
- **Resource stack:** 1 resource — RIGGINS_UNIT1

## Facts

- **Reported capacity:** 154 MW — Solar Photovoltaic · confidence: high
- **Operating status:** operating — Buckthorn Westex is operating. · confidence: medium
- **Location:** Pecos County — ERCOT · confidence: high
- **Operator:** Buckthorn Westex, LLC · confidence: high
- **Asset role:** solar — ERCOT · Pecos County

## Related parties

- **Operator:** Buckthorn Westex, LLC — Operator associated with Buckthorn Westex.

## Sources

- [epa_03_11](https://www.eia.gov/electricity/annual/xls/epa_03_11.xlsx) — eia.gov · regulatory — 60044 -0.052 47168. U.S. Energy Information Administration, Form EIA-923, Power Plant Operations Report.
- [Seasonal Assessment of Resource Adequacy for the ERCOT...](https://downloads.regulations.gov/EPA-R06-OAR-2016-0611-0267/attachment_16.pdf) — downloads.regulations.gov · regulatory — 955 RIGGINS (SE BUCKTHORN WESTEX SOLAR). RIGGINS_UNIT1. PECOS. SOLAR. WEST. 2018. 155.4. 150.0.
- [TitlePage](https://www.ercot.com/files/docs/2022/05/16/CapacityDemandandReservesReport_May2022.xlsx) — ercot.com · regulatory — May 16, 2022 — RIGGINS (SE BUCKTHORN WESTEX SOLAR) RIGGINS_UNIT1 PECOS SOLAR WEST.
- [Form 10-Q for Clearway Energy INC filed 11/02/2023](https://investor.clearwayenergy.com/static-files/d538f8bc-d8e7-4aab-92bc-775d1d085e69) — investor.clearwayenergy.com · other — Buckthorn Westex, LLC, the Company's subsidiary that owns the Buckthorn Westex solar project

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Canonical page: https://askthegrid.com/assets/facilities/buckthorn-westex
Website: [Clearway Energy](https://www.clearwayenergy.com/)
Profile published: 2026-07-17T03:34:05.368Z
Source: Ask the Grid — https://askthegrid.com/