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207.9 MW BESS operating in Comal, TX — Electric Reliability Council of Texas, Inc.
207.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
29.6201, -98.3345
County
Comal, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Ebony Energy Storage, LLC | — | — |
| Owner(s) | Ebony Energy Storage, LLC | — | — |
| Status | Operating | — | — |
Ebony Energy Storage is a battery energy storage system (BESS) located in Comal County, Texas. The plant has a total capacity of 207.9 MW and began operating in 2024. It is owned and operated by Ebony Energy Storage, LLC. The facility consists of a single generator utilizing battery technology, specifically lithium-ion batteries (LIB). The BESS has a storage capacity of 400 MWh, providing a duration of approximately 1.92 hours at full output.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is within the TRE NERC region. Ebony Energy Storage is ranked as the 90th largest plant in Texas out of 224, and nationally it is ranked 253rd out of 514.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−2.6K MWh
Net Charging
-29.7K MWh
Annual Net Energy
-1.6%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $283.0M
Market Position
ISO/RTO Market
ERCOT
LMP Node
EBNY_ESS_RN
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
Last updated 2026-03-14
View all 6 articlesElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP