125 MW BESS under construction in Pecos, TX — Electric Reliability Council of Texas, Inc.
125 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
31.0006, -102.6799
County
Pecos, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Under construction | — | — |
The Octans facility is a 125 MW battery energy storage system located in Pecos County, Texas. The plant, identified by plant ID 65590, is owned by ENGIE, a company based in France, and operated by Engie North America. It consists of a single generator utilizing batteries as its primary fuel source (MWH).
Octans operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, which falls under the Texas Regional Entity (TRE) of the North American Electric Reliability Corporation (NERC). In terms of size, Octans ranks as the 186th largest power plant in Texas out of 224 facilities and 430th nationally out of 514.
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
BRP Octans BESSERCOT-22INR0386
No generation data available for this plant.
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Tombstone Substation · 138 kV
Substation Distance
< 10 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_WEST
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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