100 MW BESS operating in Denton, TX — Electric Reliability Council of Texas, Inc.
100 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
33.3232, -97.3145
County
Denton, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Key Capture Energy | — | — |
| Owner(s) | Key Capture Energy | — | — |
| Status | Operating | — | — |
TX10 Hummingbird Storage is a 100 MW battery energy storage system located in Denton County, Texas. The plant began operating in 2024 and is owned and operated by Key Capture Energy. It is connected to the Electric Reliability Council of Texas (ERCOT) grid, within the Texas Reliability Entity (TRE) NERC region. The facility consists of a single generator utilizing battery storage technology, with a total storage capacity of 227 MWh.
The plant utilizes lithium-ion batteries (LIB) and has a storage duration of 2.27 hours. According to state rankings, TX10 Hummingbird Storage is the 205th largest power plant in Texas out of 224 facilities. Nationally, it ranks as the 480th largest out of 514 plants. The plant's primary fuel is listed as 'MWH', indicating that it draws power from the grid for storage and later discharge.
Generated from EIA, GEM, and public data sources
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
−1.0K MWh
Net Charging
-14.4K MWh
Annual Net Energy
-1.7%
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.
No financial data available for this plant.
Market Position
ISO/RTO Market
ERCOT
LMP Node
HMNG_ESS_RN
Pricing Hub
HB_NORTH
Secondary Zone
LZ_NORTH
Location Type
Resource Node
Node Source
Curated node match
West Michigan residents rally against controversial ‘Project BESS’ battery facility
A company called Key Capture Energy is proposing to build a 100-megawatt battery energy storage complex in Ottawa County.
5 takeaways from Ottawa County’s 100-megawatt battery storage project
New York-based energy storage company Key Capture Energy is in the early stages of planning a battery storage facility in Blendon Township...
5 takeaways from Ottawa County’s 100-megawatt battery storage project
New York-based energy storage company Key Capture Energy is in the early stages of planning a battery storage facility in Blendon Township...
Key Capture Energy completes ITC transfer and construction on two 100MW Texas BESS projects
US battery storage developer Key Capture Energy (KCE) has begun commercial operations for two 100MW battery energy storage system (BESS) projects in Texas.
Last updated 2026-03-26
View all 10 articles