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9.9 MW BESS operating in Bexar, TX — Electric Reliability Council of Texas, Inc.
9.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2021
Operating Since
Coordinates
29.6165, -98.7335
County
Bexar, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Operating | — | — |
The Ranchtown facility is a 9.9 MW battery energy storage system (BESS) located in Bexar County, Texas. The plant began operating in 2021 and is owned by ENGIE, with Engie North America serving as the operator. The primary fuel source is electricity (MWH), which is used to charge the lithium-ion batteries (LIB). The facility consists of a single generator and has a total BESS storage capacity of 9.9 MWh, providing a duration of 1 hour at full output.
Ranchtown operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. In terms of size, the plant ranks 290th out of 313 power plants in Texas and 828th out of 1205 plants nationally. The facility falls within the Texas Reliability Entity (TRE) NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−47 MWh
Net Charging
-579 MWh
Annual Net Energy
-0.7%
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.
2021
$1,796/kW
Est. Construction Cost
Total estimated cost: $17.8M
Point of Interconnection
Nearest Substation
Ranchtown Substation · 138 kV
Substation Distance
0 km
Operator
CPS Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
BRP_RN_UNIT1
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
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ask pi about RanchtownElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
34.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP