Prospero Solar — Plant Summary
- EIA Plant ID
- 62755
- Capacity
- 300 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Andrews, TX
- Operating Since
- 2020
- Generators
- 1
- Operator
- Prospero Energy Project, LLC (Longroad)
- Parent Company
- —
- Annual Generation
- 759,356 MWh
- Capacity Factor
- 28.9%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Prospero Solar
OperatingSolar
Ranked #67 of 351 Solar plants in TX#149 of 7447 nationally
300 MW Solar operating in Andrews, TX — Electric Reliability Council of Texas, Inc.
EIAGEMWD
300 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2020
Operating Since
Location
Coordinates
32.3108, -102.8696
County
Andrews, TX
Nearby Plants
- Prospero Solar IISolar250 MW · 4.5 km
- AliraSolar222.8 MW · 10.1 km
- FrankelDistillate Oil9 MW · 11.3 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Prospero Energy Project, LLC (Longroad) | Longroad Energy | — |
| Owner(s) | Prospero Energy Project, LLC (Longroad) | Longroad Energy; 7X Energy | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Longroad Energy; 7X Energy
This entity is not yet in the GEM ownership database — chain unavailable.
About
Prospero Solar is a 300 MW solar photovoltaic power plant located in Andrews County, Texas. The plant began operating in 2020 and has one generator. It is owned and operated by Prospero Energy Project, LLC, a subsidiary of Longroad Energy. The facility utilizes single-axis tracking to maximize solar energy capture.
In its most recent year of operation, Prospero Solar generated 759,356 MWh of electricity, achieving a capacity factor of 28.9%. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and the NERC region TRE. Prospero Solar is ranked as the 44th largest solar plant in Texas out of 192, and 76th nationally out of 639. Financial data is available for the plant from LBNL, but specific figures such as installed cost and PPA price are not provided in this dataset.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Prospero Solar***
OperationalSolar300 MWERCOT
Generation
41.8K MWh
Latest Month
759.4K MWh
Annual Generation
28.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$27.9/MWh
LCOE (Levelized Cost)
$24.8/MWh
Energy Value
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
PROSPERO_ALL
Pricing Hub
HB_WEST
Secondary Zone
LZ_WEST
Location Type
Resource Node
Node Source
Curated node match
News & Articles (10)Beta
Hazards·wildfire
Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
Fire Weather Watch issued March 21 at 2:43AM CDT until March 23 at 12:00AM CDT by NWS Midland/Odessa TX
Fire Weather Watch (hazard)
NWS Midland/Odessa TX·5 days ago
Hazards·wildfire
Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
Fire Weather Watch issued March 21 at 2:43AM CDT until March 23 at 12:00AM CDT by NWS Midland/Odessa TX
Fire Weather Watch (hazard)
NWS Midland/Odessa TX·5 days ago
Grid·capacity addition
Revolutionizing ERCOT Power Grid Forecasting with Enverus New Model
Discover Enverus new ERCOT P&R Forecast Model with proprietary inputs for accurate energy demand and renewable forecasting in Texas' dynamic...
Enverus (other)ERCOT (operator)
Enverus·9 months ago
General
Meta signs long-term PPA with Longroad Energy in Texas
Meta has signed a long-term Power Purchase Agreement (PPA) with US-based renewable energy company Longroad Energy to purchase 100 percent of the output of the...
Data Center Dynamics·1 years ago
Last updated 2026-03-21
View all 10 articles