# Big Star Solar, LLC (Hybrid)

ERCOT asset profile · https://askthegrid.com/assets/facilities/big-star-solar-llc-hybrid

## Current generation inventory

EIA plant 64202 · Inventory reporting month: 2026-08.

- solar: 200 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T02:12:40.665346+00:00
- Filed coordinate (longitude, latitude): -97.27054, 29.894053
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2024-04-06 00:18:04+00:00
- Map prepared: 2026-10-10T02:28:22.126024+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

Big Star Solar, LLC (Hybrid) is a 200 MW solar photovoltaic plant in Bastrop County. Big Star is a 200 MW solar facility in Bastrop County, Texas, built by RWE with an 80 MW / 120 MWh battery energy storage system and participating in the ERCOT market. Constellation buys power and renewable energy certificates from a 140 MW section of the solar array for commercial customers including PepsiCo, McCormick and Best Buy. RWE reported in February 2024 that commercial operation was expected that March, with about $30 million in county taxes over 30 years.

## Reviewed metrics

- **Nameplate capacity:** 200 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 64202 — plant-64202

## Facts

- **Technology:** Solar Photovoltaic
- **Operator:** RWE Clean Energy

## Related parties

- **Owner / developer:** RWE Renewables — owner ([source](https://americas.rwe.com))
- **Offtaker:** Constellation — offtaker

## Sources

- [americas.rwe.com](https://americas.rwe.com/press/2021-08-25-rwe-teams-up-with-constellation-in-solar-project/) — americas.rwe.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/big-star-solar-llc-hybrid
Website: [RWE Renewables](https://americas.rwe.com)

Source: Ask the Grid — https://askthegrid.com/