# Rodeo Ranch Energy Storage

ERCOT Batteries · https://askthegrid.com/ercot/assets/plant/rodeo-ranch-energy-storage

Rodeo Ranch Energy Storage is a 300 MW / 600 MWh, two-hour standalone battery system on roughly 13 acres near Pecos in Reeves County, Texas.
300 MW / 600 MWh · two-hour duration. Merchant energy and frequency-stabilizing services in ERCOT. Adjacent to TNMP's 138 kV Worsham Substation.

## Key facts

- Technology: Batteries
- Power capacity: 300 MW
- Energy capacity: 600 MWh
- Operating status: operating

## Grid and market context

- ISO/RTO: ERCOT
- Balancing authority: ERCOT
- Market resources: RRANCHES_ESR1, RRANCHES_ESR2

## Settlement price economics

Observed ERCOT settlement prices at RRANCHES_ALL, 2025-07-26 to 2026-07-25 (364 days, 8,732 settled hours).

- Average price: $38.93/MWh
- Hourly range: -$30 to $1,156/MWh
- Negative price hours: 860
- TB2 spread benchmark: $62.0/kW-yr
- Average daily top/bottom spread: $85.22/MWh

The TB2 figure is a price benchmark, not revenue. It values one perfect-foresight cycle per day, gross of round-trip losses, and excludes ancillary services. It is not this asset's realized capture and assumes no dispatch.

## Source-backed facts

- Power capacity mw: 300 MW — Rodeo Ranch project overview · confidence: high
- Energy capacity mwh: 600 MWh — Rodeo Ranch project overview · confidence: high

## Timeline

- 2023-12 — Battery entered service
  EIA and Plus Power report December 2023 operation.
  Source: EIA May 2026 generator inventory (https://www.eia.gov/electricity/data/eia860m/)

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · tier regulatory
- [ERCOT current settlement-point listing](https://www.ercot.com/content/cdr/html/current_np6788.html) — Electric Reliability Council of Texas · tier regulatory
- [Rodeo Ranch project overview](https://www.rodeoranchenergystorage.com/about) — Plus Power · tier official
- [TxGIO land parcel service](https://feature.geographic.texas.gov/arcgis/rest/services/Parcels/stratmap_land_parcels_48_most_recent/MapServer) — Texas Geographic Information Office · tier regulatory

## Data quality

- Nameplate, seasonal, operating, company, and transaction scopes are labeled separately.

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Canonical page: https://askthegrid.com/ercot/assets/plant/rodeo-ranch-energy-storage
Profile published: 2026-07-17T03:34:45.289Z
Source: Ask the Grid — https://askthegrid.com/