Prospero Solar
Longroad Energy · Andrews County · ERCOT
Prospero Solar is a 300 MWac / 379 MWdc photovoltaic facility in Andrews County, Texas. EIA's May 2026 inventory reports one 300 MWac generator with 379 MWdc capacity dated June 2020. The asset closed a $416 million financing package with Meta, then Facebook, as sole tax-equity investor and CIT as lead coordinating arranger.
Overview
Key fields
- Reported capacity
- 300 MW
EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- Operating capacity
- 300 MWac
EIA May 2026
- DC capacity
- 379 MWdc
EIA and Longroad
- Modules
- 3M+
First Solar
- Site area
- 4,721 acres
Longroad Energy
- Financing package
- $416M
Longroad Energy
- Registry anchor
- Plant 62755
Prospero Energy Project LLC
Resource stack
- 2 resources
PROSPERO_UNIT1 · PROSPERO_UNIT2
Profile
- Grid role
- Utility-scale photovoltaic generation in ERCOT's West region.
- Operating configuration
- 300 MWac / 379 MWdc with more than three million First Solar modules.
- Financing
- $416 million package; Meta was sole tax-equity investor and CIT was lead coordinating arranger.
Structured profile
- Operating capacity
- 300 MWac / 379 MWdc
EIA May 2026
- Current owners
- Longroad Energy and AIP
Longroad Energy
- Tax-equity investor
- Meta / Facebook
Sole investor
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| PROSP | 300 MW 300 MW summer | Solar Photovoltaic Solar · PV | Jun 2020 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 300 MW
- National rank
- #38
- TX rank
- #22
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
ERCOT disclosed dispatch
2 ERCOT market resources · Solar
Generation
3 mo through May 22, 2026Capacity factor is average output vs. this plant's observed peak.
Output by hourlocal time · 90 days through May 22, 2026
Latest disclosed outputhourly · 2 weeks ending May 22, 2026
Generation from ERCOT's 60-Day SCED Disclosure (≈60-day lag), summed over this site's market resources.
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Market registration
ERCOT public disclosuresOperating context
ERCOT market recordsInterconnection record
ERCOT GIS ReportMatched to the latest available ERCOT generation-interconnection queue record. Queue status and completion dates describe the queue record; operating status is verified separately against plant and market registrations.
Nearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Financing
Land and environmental record
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.
Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Module supplier | Module supplier for Prospero Solar | |
| Market resources | PROSPERO_UNIT1, PROSPERO_UNIT2 | Linked ERCOT resources. |
| Grid selection | plant:plant-62755 | Canonical asset page /ercot/assets/plant/prospero-solar. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Generator Entered ServiceEIA May 202...
EIA reports June 2020 for the 300 MWac / 379 MWdc generator.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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