Sparta Solar
Ørsted and Energy Capital Partners · Bee County · ERCOT
Sparta Solar is a 250 MW photovoltaic facility in Bee County, Texas. EIA's May 2026 inventory lists one operating generator under Plant ID 63840, with service beginning in April 2024 and Sparta Solar LLC as the registered operator. Ørsted developed Sparta as the solar component of the combined Helena Energy Center. In December 2024 Ørsted announced the sale of a 50% equity stake in Sparta to Energy Capital Partners while retaining the other 50%.
Overview
Key fields
- Operating capacity
- 250 MW
EIA May 2026
- Operating month
- Apr 2024
EIA
- ECP equity stake
- 50%
Dec 2024 transaction
- Settlement point
- SPARTA_ALL
ERCOT settlement point.
- Registry anchor
- Plant 63840
Sparta Solar LLC
Resource stack
- 2 resources
SPARTA_UNIT1 · SPARTA_UNIT2
Profile
- Grid role
- Utility-scale solar generation in ERCOT.
- Operating capacity
- 250 MW photovoltaic plant · Apr 2024 EIA service month.
- Ownership
- Ørsted and Energy Capital Partners each hold a 50% equity interest.
- Helena context
- Sparta is the solar component of the co-located Helena wind-and-solar center.
Structured profile
- Operating capacity
- 250 MW
EIA May 2026
- Project company
- Sparta Solar LLC
EIA
- Equity owners
- Ørsted · Energy Capital Partners
50% each
- Project context
- Helena Energy Center
Ørsted
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1111 | 250 MW 250 MW summer | Solar Photovoltaic Solar · PV | Apr 2024 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 250 MW
- National rank
- #76
- TX rank
- #33
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.
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 |
|---|---|---|
| Project company and EIA registered operator | Sparta Solar LLC | EIA May 2026 generator inventory |
| Developer and 50% equity owner | Ørsted Sparta equity divestment | |
| 50% equity owner | Ørsted Sparta equity divestment | |
| Market resources | SPARTA_UNIT1, SPARTA_UNIT2 | Linked ERCOT resources. |
| Grid selection | plant:plant-63840 | Canonical asset page /ercot/assets/plant/sparta-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
- Project Entered ServiceEIA May 202...
EIA reports April 2024.
- Helena Commencement CelebratedØrsted Hele...
Ørsted announced operation of the combined Helena wind-and-solar center.
- 50% equity sale announcedØrsted Spar...
Ørsted announced the sale of a 50% stake in Sparta to Energy Capital Partners.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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