# Ebony Energy Storage

ERCOT asset profile · https://askthegrid.com/assets/facilities/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.

## 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.

## Metrics

- **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. ([source](https://www.sungrowpower.com/en/products/utility-energy-storage-system/st2752ux))
- **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

## Facts

- **Reported capacity:** 200 MW — Batteries · confidence: high
- **Energy:** 400 MWh — 1.9-hour storage duration · confidence: medium
- **Commercial operation:** 2024 · confidence: medium
- **Operating status:** operating — Ebony Energy Storage is operating. · confidence: medium
- **Interconnection:** WOVER · confidence: medium
- **Location:** Comal County — ERCOT · confidence: high
- **Operator:** Ebony Energy Storage, LLC · confidence: high
- **Asset role:** batteries — ERCOT · Comal County

## Related parties

- **Owner / operator / developer:** Plus Power — Owner / operator / developer for Ebony Energy Storage ([source](https://pluspower.com/))

## Sources

- [Combo & Single Model ESR Names](https://www.ercot.com/files/docs/2025/02/14/single-model-esr-names_18Sep2025-as-of-9-22-25-1600.xlsx) — ercot.com · regulatory — Feb 14, 2025 — EBNY_ESS, BESS1, EBNY_ESS_LD1, ESR1, EBNY_ESS_ESR1, 45687. 95, 93. Substation code changed from WOV to WOVER. 288, 286, WR, BESS1, WR_LD1
- [Overview — Ebony Energy Storage](https://www.ebonyenergystorage.com/overview) — ebonyenergystorage.com · other — Ebony Energy Storage (Ebony) is a 200 MW / 400 MWh state-of-the-art battery energy storage system providing clean, firm capacity to the ERCOT electricity system

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Canonical page: https://askthegrid.com/assets/facilities/ebony-energy-storage
Website: [Plus Power](https://pluspower.com/)
Profile published: 2026-07-17T03:34:13.193Z
Source: Ask the Grid — https://askthegrid.com/