Ebony Energy Storage
Ebony Energy Storage, LLC · Comal County · ERCOT
Ebony Energy Storage is a battery energy storage facility with 200 MW of EIA-reported operating capacity and 400 MWh of reported energy capacity in Comal County, Texas, registered as EIA Plant ID 67237. The facility uses Sungrow PowerTitan equipment; public project records list 176 battery containers. The plant began commercial operation in 2024. Financing included a $98M tax-equity investment from Plus Power.
Overview
Key fields
- Power / energy
- 200 MW / 400 MWh
Reported plant capacity and configuration.
- Technology
- Batteries
Primary generation technology.
- Registry anchor
- Plant 67237
Ebony Energy Storage, LLC · Comal County · ERCOT
- Storage duration
- 1.9 hours
Battery subsystem rating.
- Operating status
- Operating
Ebony Energy Storage is operating.
- Grid connection
- WOVER
Source-backed interconnection context.
Equipment
- 176 containers
Installed equipment documented in public project records.
- Commercial operation
- 2024
Best-supported operating milestone.
- Project financing
- $98M
Plus Power secured approximately $98 million in tax equity investment for the Ebony Energy Storage facility, completed in February 2024.
- Resource stack
- 1 resource
EBNY_ESS_ESR1
Profile
- Grid role
- Merchant battery energy storage (market-participating ESR in ERCOT)
- Grid connection
- WOVER.
- Physical build
- The Ebony Energy Storage facility is a 200 MW / 400 MWh battery energy storage project comprising 176 Sungrow battery containers.
- Financing
- Plus Power secured approximately $98 million in tax equity investment for the Ebony Energy Storage facility, completed in February 2024.
Structured profile
- Reported capacity
- 200 MW
Batteries
- Energy
- 400 MWh
1.9-hour storage duration
- Commercial operation
- 2024
- Operating status
- operating
Ebony Energy Storage is operating.
- Interconnection
- WOVER
- Location
- Comal County
ERCOT
- Operator
- Ebony Energy Storage, LLC
- Asset role
- batteries
ERCOT · Comal County
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| EBON1 | 207.9 MW 200 MW summer | Batteries Electricity used for energy storage · BA | Jun 2024 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 207.9 MW
- National rank
- #45
- TX rank
- #15
Monthly generation
Download CSVEIA-923 reports gross generation and net grid exchange for storage plants. Gross generation is shown as a discharge proxy; it is not a cycle count or conventional capacity factor.
ERCOT disclosed dispatch
1 ERCOT market resource · Battery / storage
Dispatch
3 mo through May 21, 2026Cycles/day is discharged energy vs. usable capacity (~484 MWh). Capacity factor is avg discharge vs. peak.
Output by hourlocal time · 90 days through May 21, 2026
Latest disclosed outputhourly · 2 weeks ending May 21, 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 |
|---|---|---|
| Owner / operator / developer | Owner / operator / developer for Ebony Energy Storage | |
| Market resources | EBNY_ESS_ESR1 | Linked ERCOT resources. |
| Grid selection | plant:plant-67237 | Canonical asset page /ercot/assets/plant/ebony-energy-storage. |
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 DevelopmentCommunity —...
Ebony Energy Storage began development in Comal County, Texas.
- Commercial Operation BeganCommunity —...
The Ebony Energy Storage facility began operating.
- Tax Equity Investment CompletedPlus Power ...
Plus Power completed approximately $98 million in tax equity investment for the Ebony Energy Storage facility.
- Planned Commercial OperationPlus Power ...
The facility was expected to come online in spring 2024.
- Generator enters operationEIA-860
EIA-860 lists generator EBON1 with this operating date.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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