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Prospero Solar — Power plant · Solar · Prospero Energy Project, LLC (Longroad)Alira — Filed · Solar · TX · 222.8 MW · 8.5 mi away
  • Wind & solar
  • In development
  • Operating
  • 10 · 100 · 1,000 MW

Prospero Solar

Power plant · Solar

Key facts

Power plant · Solarran 29% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2020
Net generation, 2025
759,356 MWh
Grid
345 kV to Oncor Electric Delivery Company LLC (ERCO)
Location
Andrews County, Texas
Operated by
Prospero Energy Project, LLC (Longroad)SourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2020 to 2026

Operations detail

Details

Who’s behind it

No companies named in filings yet.

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Technology
Solar source: “Solar Photovoltaic”
Age
6 years since 2020
All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Grid
Nerc region
TRE
Report year
2025
Grid voltage kv
345
Transmission owner
Oncor Electric Delivery Company LLC
Balancing authority code
ERCO
Balancing authority name
Electric Reliability Council of Texas, Inc.
Fuel burned (MMBtu), 20252,590,923
Capacity factor, 20250.289
Net generation (MWh), 2025759,356
Balancing authority codeERCO

Solar arrays

Array area (acres)
2,290.2
AC capacity (MW)
303.6
DC capacity (MW)
379
Mounting
Single-axis tracking
Site type
Greenfield
Began operating
2020

Source USPVDB

Source

  • USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb

Attribution

Timeline

  • In service · EIA-860M

Sources

4 sources

Sources EIA-860M · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026
  • USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
  • EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
  • EIA-860M Preliminary Monthly Electric Generator Inventory

Every source and license · Attribution

View at source

Around this plant

Nearby

within 15 mi
ProjectKindAwayMW
Alira Filed Solar 8.5 mi 222.8

Sources EIA-860M

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026

Attribution