# Prospero Solar II

ERCOT asset profile · https://askthegrid.com/assets/facilities/prospero-solar-ii

Longroad Energy · Andrews County · ERCOT

Prospero Solar II is a 250 MWac / 331 MWdc photovoltaic facility in Andrews County, Texas. EIA's May 2026 inventory lists one operating generator under Plant ID 64325, with service beginning in August 2021 and Prospero Solar II LLC as the registered operator. Longroad Energy reports that it owns and operates the project, which covers more than 2,670 acres and was financed as an approximately $320 million investment. DaVita and Zimmer Biomet contracted for output under 15-year power-purchase agreements.

## Profile

- **Grid role:** Utility-scale solar generation in ERCOT.
- **Capacity:** 250 MWac EIA nameplate · 331 MWdc project rating.
- **Ownership and operations:** Longroad Energy reports that it owns and operates Prospero Solar II.
- **Commercial structure:** Approximately $320 million project investment · 15-year PPAs with DaVita and Zimmer Biomet.

## Metrics

- **Reported capacity:** 250 MW — EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- **Operating capacity:** 250 MWac — EIA May 2026
- **DC rating:** 331 MWdc — Longroad Energy
- **Project investment:** ~$320M — Longroad Energy
- **Settlement point:** PRSPERO2_ALL — ERCOT settlement point.
- **Registry anchor:** Plant 64325 — Prospero Solar II LLC

## Facts

- **Operating capacity:** 250 MWac — EIA May 2026 · confidence: high
- **DC rating:** 331 MWdc — Longroad Energy · confidence: high
- **Owner and operator:** Longroad Energy — Official project page · confidence: high
- **Power purchasers:** DaVita · Zimmer Biomet — 15-year agreements · confidence: high

## Related parties

- **Project company and EIA registered operator:** Prospero Solar II LLC — EIA May 2026 generator inventory
- **Portfolio lead lending and tax-equity partner:** U.S. Bank — Financing covers a portfolio that includes Prospero Solar II. ([source](https://www.usbank.com/))
- **Portfolio lead lending and tax-equity partner:** CIT — Financing covers a portfolio that includes Prospero Solar II. ([source](https://www.firstcitizens.com/commercial/cit))
- **Long-term power purchaser:** DaVita — Longroad Energy Prospero II project page ([source](https://www.davita.com/))
- **Long-term power purchaser:** Zimmer Biomet — Longroad Energy Prospero II project page ([source](https://www.zimmerbiomet.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.
- [Longroad Energy Prospero II project page](https://www.longroadenergy.com/portfolio/prospero-2/) — Longroad Energy · official — Capacity acreage ownership operations and power purchasers.
- [Longroad Energy Prospero II financing](https://www.longroadenergy.com/longroad-energy-completes-financing-of-331-mwdc-prospero-2-solar-project/) — Longroad Energy · official — Project investment and financing counterparties.
- [Altius Renewable Royalties Q3 2021 report](https://www.arr.energy/_resources/reports/2021_Q3_MDA.pdf?v=0.016) — Altius Renewable Royalties · official — Royalty amount and August 2021 operating milestone.

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Canonical page: https://askthegrid.com/assets/facilities/prospero-solar-ii
Website: [Longroad Energy](https://www.longroadenergy.com/portfolio/prospero-2/)
Profile published: 2026-07-17T03:34:42.152Z
Source: Ask the Grid — https://askthegrid.com/
