# Desert Willow Energy Storage

ERCOT asset profile · https://askthegrid.com/assets/facilities/desert-willow-energy-storage

A two-hour battery at the 345 kV Endeavor switching station

Desert Willow is esVolta's 150 MW / 300 MWh two-hour battery in Midlothian, Texas.

## Profile

- **Interconnection basis:** The SGIA separates 171.36 MVA gross inverter capability, 151.32 MW at the generator terminals, and 150 MW at the point of interconnection.
- **Financing scope:** The disclosed $258 million credit facilities and $243 million investment cover three esVolta projects, not Desert Willow alone.

## Metrics

- **Storage:** 150 MW / 300 MWh — Two-hour owner/EIA basis.
- **Site:** ~13 acres — esVolta exact-project basis.

## Facts

- **Developer / owner / operator:** esVolta
- **POI:** Endeavor 345 kV Switching Station

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Canonical page: https://askthegrid.com/assets/facilities/desert-willow-energy-storage
Website: [Desert Willow Energy Storage, LLC](https://www.esvolta.com/projects)

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