# Sun Valley Solar Project

ERCOT asset profile · https://askthegrid.com/assets/facilities/sun-valley-solar-project

ENGIE · Hill County · ERCOT

Sun Valley Solar Project is a 250 MW photovoltaic facility in Hill County, Texas. EIA's May 2026 inventory lists one operating generator under Plant ID 65303, with service beginning in December 2022 and Sun Valley Solar LLC as the registered operator. ENGIE developed the solar project and contracted 200 MW of output to Procter & Gamble. A separate 100 MW / 100 MWh battery was commissioned at the site in December 2023; its energy capacity is not part of the solar plant's EIA record.

## Profile

- **Grid role:** Utility-scale solar generation in ERCOT.
- **Solar record:** 250 MW photovoltaic plant · Dec 2022 EIA service month.
- **Power purchase:** Procter & Gamble contracted 200 MW from the solar project.
- **Co-located storage:** Separate 100 MW / 100 MWh battery commissioned in Dec 2023.

## Metrics

- **Solar capacity:** 250 MW — EIA May 2026
- **Contracted solar:** 200 MW — Procter & Gamble
- **Co-located battery:** 100 MW / 100 MWh — Separate asset
- **Registry anchor:** Plant 65303 — Sun Valley Solar LLC

## Facts

- **Solar capacity:** 250 MW — EIA May 2026 · confidence: high
- **Project company:** Sun Valley Solar LLC — EIA · confidence: high
- **Developer:** ENGIE — Official project record · confidence: high
- **Solar power purchaser:** Procter & Gamble · 200 MW — ENGIE · confidence: high

## Related parties

- **Project company and EIA registered operator:** Sun Valley Solar LLC — EIA May 2026 generator inventory
- **Developer and project sponsor:** ENGIE North America — ENGIE Sun Valley project page ([source](https://www.engie-na.com/))

## 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.
- [ENGIE Sun Valley project page](https://www.engie-na.com/project/sun-valley/) — ENGIE North America · official — Solar capacity location development and P&G agreement.
- [ENGIE Sun Valley battery commissioning](https://www.engie-na.com/engie-announces-commissioning-of-its-100mw-sun-valley-utility-scale-battery-storage-project-in-us/) — ENGIE North America · official — Separate battery power energy and commissioning date.

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Canonical page: https://askthegrid.com/assets/facilities/sun-valley-solar-project
Website: [ENGIE](https://www.engie-na.com/project/sun-valley/)
Profile published: 2026-07-17T03:34:51.117Z
Source: Ask the Grid — https://askthegrid.com/