Aragorn Solar Project
SB Energy · Culberson County · ERCOT
Aragorn Solar Project is an operating solar facility with 180 MW of EIA-reported operating capacity in Culberson County, Texas, registered as EIA Plant ID 63329. SB Energy lists the project at 255 MWdc and in operation; the EIA/ERCOT operating record reports a 187.2 MW nameplate unit with a 180 MW summer/winter rating. The plant interconnects at CULBERSON SOLAR WEST.
Overview
Key fields
- Reported capacity
- 180 MW
EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- Technology
- Solar Photovoltaic
Primary generation technology.
- Registry anchor
- Plant 63329
SE Aragorn, LLC · Culberson County · ERCOT
- Operating status
- Operating
Aragorn Solar Project is operating.
- Settlement point
- ARAGORN_RN
ERCOT settlement point.
- Resource stack
- 1 resource
ARAGORN_UNIT1
Profile
- Grid role
- Utility-scale solar generation in ERCOT's energy-only market.
- Market node
- CULBERSON SOLAR WEST · Electric Reliability Council of Texas.
- Physical build
- SB Energy lists Aragorn as a 255 MWdc solar project in operation, and Signal Energy identifies its EPC/BOP work. The page retains single-axis tracker context but removes unverified module-series, inverter, substation, and gen-tie details from the rendered build description.
- Financing
- Project financing is not asserted here because the available announcement is portfolio-scoped
Structured profile
- Reported capacity
- 180 MW
Solar Photovoltaic
- Operating status
- operating
Aragorn Solar Project is operating.
- Location
- Culberson County
ERCOT
- Operator
- SE Aragorn, LLC
- Asset role
- solar
ERCOT · Culberson County
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| IPAGN | 187.2 MW 180 MW summer | Solar Photovoltaic Solar · PV | Dec 2021 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 187.2 MW
- National rank
- #211
- TX rank
- #83
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
1 ERCOT market resource · 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.
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 |
|---|---|---|
| Operator | SE Aragorn, LLC | Owner / developer associated with Aragorn Solar Project. |
| Portfolio owner / developer | Financing covers a portfolio that includes Aragorn Solar Project. | |
| EPC contractor | Signal Energy is named in project coverage and on its project page in connection with Aragorn as EPC/BOP contractor. | |
| Market resources | ARAGORN_UNIT1 | Linked ERCOT resources. |
| Grid selection | plant:plant-63329 | Canonical asset page /ercot/assets/plant/aragorn-solar-project. |
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
- Commercial operation (COD) reported — alternate sourcesAustin Ener...
Other project listings report a December 2021 commercial-operation timing; an Austin Energy operations update also references project close-out/availability in mid‑2021 in its program reporting.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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