RE Roserock — 160 MW solar farm, Pecos County, TX

RE Roserock — 160 MW solar farm, Pecos County, TX · Ask the Grid

Generation and physical site

EIA plant 59994 · Inventory for Sep 2026.

Reported operating nameplate by technology

Solar: 160 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for RE Roserock
Generator	Technology	Status	Power (MW)	Energy (MWh)
ROSEK	Solar Photovoltaic	Operating	160	Unknown

Physical map location · OpenStreetMap: 30.95811, -103.29969
Filed location · EIA: 30.96021, -103.30670

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Aug 5, 2026
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Current generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
ROSEK	160 MW 157.5 MW summer	Solar Photovoltaic PV	Nov 2016	Operating

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOwner / operatorEquipmentOfftakerContractor

Parties and identifiers

OrganizationRoleBasis

Southern Power CoOperatorCurrent owner; acquired the project from Recurrent Energy in 2015.

Recurrent EnergyDeveloperPrior owner; sold the project to Southern Power Company in 2015.

REROCK_UNIT1, REROCK_UNIT2

Reporting portfolio

EIA reporting entity

Southern Power Co

Entity 17650

Operating portfolio

53 plants

14 states

Reported capacity

13,697.8 MW

Batteries · Natural Gas Fired Combined Cycle · Natural Gas Fired Combustion Turbine

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
H Allen Franklin Combined Cycle	1,995.7 MW	AL
E B Harris Electric Generating Plant	1,304 MW	AL
Wansley Combined Cycle	1,239 MW	GA
Rowan	1,192 MW	NC
Dahlberg	919 MW	GA
Cleveland Cnty Generating Facility	736 MW	NC

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Nov 2015
Nov 2015
Acquisition ClosedSource
Southern Power acquired 51% controlling interest (class A membership interests) in the 157.5 MW Roserock solar project from Recurrent Energy / Canadian Solar. Initial cash contribution of $45,000,000 for class A membership interests; sale completed December 2015.
Nov 2015
Nov 2015
Construction BeganSource
Dec 2015
Dec 2015
Project-level financing closed (construction + term facilities)Recurrent E...
Recurrent Energy closed a combined construction and term debt facility in December 2015 with KeyBank as coordinating lead arranger and a five-bank syndicate (including Rabobank, Santander, NORD/LB and CIT) providing project construction debt, LC facilities and a back‑leveraged term facility totaling approximately $275 million.
2016
2016
Commercial Operation (COD)Source
The project entered commercial operation in the fourth quarter of 2016 and began delivering energy under a 20‑year PPA with Austin Energy.
Nov 2016
Nov 2016
Generator enters operationEIA-860
EIA-860 lists generator ROSEK with this operating date.
Aug 27, 2026
Aug 27, 2026
Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

ERCOTERCOT 60-Day SCED disclosureMarket disclosure

Common questions about RE Roserock

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is RE Roserock?

RE Roserock reports 160 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is RE Roserock?

RE Roserock is a Solar Photovoltaic facility in Pecos County, TX, participating in the ERCOT market.

Where is RE Roserock located?

RE Roserock is in Pecos County, TX, inside the ERCOT balancing area.

Who operates RE Roserock?

RE Roserock is operated by Southern Power Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

When did RE Roserock start operating?

RE Roserock reports a commercial operation date of 2016. Current status: operating. Source: EIA Sep 2026.

How much electricity does RE Roserock generate?

RE Roserock reported 365.4 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does RE Roserock compare to other plants?

By capacity, RE Roserock ranks #262 of 7,597 operating plants of the same technology nationally. It ranks #96 of 242 in TX.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

Barilla SolarSolar PhotovoltaicSolar Photovoltaic · same type30 MW4.8 km

Overview

Overview

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Infrastructure record

Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

ERCOT disclosed dispatch

Generation

Output by hourlocal time · 90 days through Aug 27, 2026

Latest disclosed outputhourly · 2 weeks ending Aug 27, 2026

Settlement price economics

Grid and market context

Market registration

Operating context

Nearby substations

Commercial, land, and environmental record

Land and environmental record