Aktina Solar
Tokyo Gas America · Wharton County · ERCOT
Aktina Solar is a 500 MWac solar facility in Wharton County, Texas. EIA's May 2026 inventory reports one 500 MW operating generator record dated December 2023. Tokyo Gas reports 631 MWdc and 500 MWac, 100% ownership through Tokyo Gas America, phased operation beginning in August 2021, and full operation from December 2023. Hecate Energy developed the project and sold it to Tokyo Gas America in 2020.
Overview
Key fields
- AC capacity
- 500 MW
EIA and Tokyo Gas
- DC capacity
- 631 MW
Tokyo Gas
- Sponsor equity
- 100%
Tokyo Gas America
- Full operation
- December 2023
Tokyo Gas
- Current settlement point
- PLN_ALL
ERCOT public mapping
- Registry anchor
- Plant 64927
Hecate Energy Ramsey, LLC
Resource stack
- 2 resources
PLN_UNIT1 · PLN_UNIT2
Profile
- Grid role
- Utility-scale solar generation in ERCOT.
- Capacity scope
- EIA reports 500 MWac; Tokyo Gas reports 631 MWdc and 500 MWac.
- Ownership
- Tokyo Gas America reports 100% sponsor equity.
- Operating sequence
- Partial operations began in August 2021; Tokyo Gas reports the full project operating from December 2023.
Structured profile
- AC capacity
- 500 MW
EIA May 2026
- DC capacity
- 631 MW
Tokyo Gas
- Ownership
- Tokyo Gas America 100%
Tokyo Gas
- Full operation
- December 2023
Tokyo Gas
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| AKS01 | 500 MW 500 MW summer | Solar Photovoltaic Solar · PV | Dec 2023 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 500 MW
- National rank
- #8
- TX rank
- #3
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 recordsNearby substations
HIFLD infrastructure inventoryRelated 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 |
|---|---|---|
| Owner | Owner for Aktina Solar | |
| Developer | Developer for Aktina Solar | |
| Market resources | PLN_UNIT1, PLN_UNIT2 | Linked ERCOT resources. |
| Grid selection | plant:plant-64927 | Canonical asset page /ercot/assets/plant/aktina-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
- Tokyo Gas acquired AktinaTokyo Gas A...
Tokyo Gas America acquired the project from Hecate Energy.
- Partial Operation BeganTokyo Gas A...
Tokyo Gas reports that phased operation began in August 2021.
- Full project entered operationTokyo Gas A...
Tokyo Gas reports the completed project fully operating from December 2023.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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