TX7 Flat Top — Plant Summary
- EIA Plant ID
- 64423
- Capacity
- 9.9 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Reeves, TX
- Operating Since
- 2020
- Generators
- 1
- Operator
- Key Capture Energy
- Parent Company
- —
- Annual Generation
- -662 MWh
- Capacity Factor
- -0.8%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
TX7 Flat Top
OperatingBESS
Ranked #203 of 256 BESS plants in TX#587 of 837 nationally
9.9 MW BESS operating in Reeves, TX — Electric Reliability Council of Texas, Inc.
EIAWD
9.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2020
Operating Since
Location
Coordinates
31.1978, -103.3607
County
Reeves, TX
Nearby Plants
- Flower Valley IIBESS101 MW · 0.1 km
- Flower Valley IBESS9.9 MW · 0.2 km
- TX8 WorshamBESS9.9 MW · 17.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Key Capture Energy | — | — |
| Owner(s) | Key Capture Energy | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
TX7 Flat Top is a 9.9 MW battery energy storage system located in Reeves County, Texas. The plant began operating in 2020 and is owned and operated by Key Capture Energy. It consists of a single generator utilizing lithium-ion battery (LIB) technology. The plant's battery energy storage system (BESS) has a total storage capacity of 16.5 MWh, providing a duration of 1.67 hours.
The facility operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is part of the Texas Reliability Entity (TRE) NERC region. TX7 Flat Top is ranked as the 280th largest power plant in Texas out of 313, and 817th nationally out of 1205. The plant's primary fuel source is listed as MWH, indicating it draws power from the grid to charge its batteries. There has been one news article related to the plant, categorized under hazards.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
25 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
0 MWh
Net Discharge
-662 MWh
Annual Net Energy
-0.8%
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.
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_WEST
Node Source
Shared substation inference
TNFLATTOP_1ZNearby ISO Node
Flat Top SubstationSubstation
News & Articles (10)Beta
Hazards·wildfire
Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
Fire Weather Watch issued March 21 at 2:43AM CDT until March 23 at 12:00AM CDT by NWS Midland/Odessa TX
Fire Weather Watch (hazard)
NWS Midland/Odessa TX·5 days ago
Hazards·wildfire
Fire Weather Watch: Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Gaines; Dawson
Fire Weather Watch issued March 21 at 2:43AM CDT until March 23 at 12:00AM CDT by NWS Midland/Odessa TX
Fire Weather Watch (hazard)
NWS Midland/Odessa TX·5 days ago
General
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.
MLive.com·6 months ago
General
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...
MLive.com·7 months ago
Last updated 2026-03-21
View all 10 articles