300 MW Solar operating in Andrews, TX — Electric Reliability Council of Texas, Inc.
300 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2020
Operating Since
Coordinates
32.3108, -102.8696
County
Andrews, TX
Nearby Plants
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 | — |
GEM identifies the owner as Longroad Energy; 7X Energy
This entity is not yet in the GEM ownership database — chain unavailable.
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
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
Prospero Solar***
41.8K MWh
Latest Month
759.4K MWh
Annual Generation
28.9%
Capacity Factor
$27.9/MWh
LCOE (Levelized Cost)
$24.8/MWh
Energy Value
Market 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
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Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
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Last updated 2026-03-21
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