# RE Roserock

ERCOT asset profile · https://askthegrid.com/assets/facilities/re-roserock

Southern Power Co · Pecos County · ERCOT

RE Roserock is a solar power facility with 157.5 MW of EIA-reported operating capacity in Pecos County, Texas, registered as EIA Plant ID 59994. Southern Power Co owns and operates the plant. Project filings list 700,000 solar panels for the facility. Southern Power Company acquired a 51% interest in the plant from Recurrent Energy in 2015.

## Profile

- **Grid role:** Utility-scale solar generation in ERCOT's energy-only market.

## Metrics

- **Reported capacity:** 157.5 MW — EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- **Technology:** Solar Photovoltaic — Primary generation technology.
- **Registry anchor:** Plant 59994 — Southern Power Co · Pecos County · ERCOT
- **Operating status:** Operating — RE Roserock is operating.
- **Equipment:** 700,000 panels — Installed equipment documented in public project records.
- **Resource stack:** 2 resources — REROCK_UNIT1 · REROCK_UNIT2

## Facts

- **Reported capacity:** 157.5 MW — Solar Photovoltaic · confidence: high
- **Operating status:** operating — RE Roserock is operating. · confidence: medium
- **Location:** Pecos County — ERCOT · confidence: high
- **Operator:** Southern Power Co · confidence: high
- **Asset role:** solar — ERCOT · Pecos County
- **Owner:** Southern Power Co · confidence: medium

## Related parties

- **Operator:** Southern Power Co — Current owner; acquired the project from Recurrent Energy in 2015. ([source](https://www.southernpowercompany.com/))
- **Developer:** Recurrent Energy — Prior owner; sold the project to Southern Power Company in 2015. ([source](https://www.recurrentenergy.com/))

## Sources

- [Release Date](https://downloads.regulations.gov/EPA-R06-OAR-2025-0197-0060/attachment_1.pdf) — downloads.regulations.gov · regulatory — 651 RE ROSEROCK SOLAR 1. REROCK_UNIT1. PECOS. SOLAR. WEST. 2016. 78.8
- [Generation w EPS Meters](https://www.ercot.com/files/docs/2022/01/28/2023-Generators-with-EPS-Meters.xlsx) — ercot.com · regulatory — Jan 28, 2022 — This form applies to generation in the ERCOT region metered by ERCOT Polled Settlement (EPS) meters, ROSEROCK LLC (RE) 0795262353000 579
- [Forecasted Capacity](https://www.ercot.com/files/docs/2023/03/08/SARA_Spring2023.xlsx) — ercot.com · regulatory — Mar 8, 2023 — RE ROSEROCK SOLAR 1 REROCK_UNIT1. REROCK_UNIT2

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Canonical page: https://askthegrid.com/assets/facilities/re-roserock
Website: [Southern Power Co](https://www.southernpowercompany.com/)
Profile published: 2026-07-17T03:34:43.988Z
Source: Ask the Grid — https://askthegrid.com/