Octans — Plant Summary
- EIA Plant ID
- 65590
- Capacity
- 125 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Under construction
- Location
- Pecos, TX
- Operating Since
- —
- Generators
- 1
- Operator
- Engie North America
- Parent Company
- ENGIE
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Octans
Under constructionBESS
Ranked #127 of 256 BESS plants in TX#275 of 837 nationally
125 MW BESS under construction in Pecos, TX — Electric Reliability Council of Texas, Inc.
EIA
125 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Location
Coordinates
31.0006, -102.6799
County
Pecos, TX
Nearby Plants
- Greasewood II LLCSolar306 MW · 13.5 km
- Buckthorn WestexSolar154 MW · 17.3 km
- Headcamp BESSBESS150 MW · 19.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Under construction | — | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
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
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint 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.
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
Engie Commences Supply of 140 MW Wind Power to Sonoco in US
Engie Commences Supply of 140 MW Wind Power to Sonoco in US. ENGIE North America has begun delivering clean power from its Big Sampson Wind...
Energetica India Magazine·4 weeks ago
General
ROUNDUP: Texas BESS updates from SolarMax, Energy Vault, Engie, and Spearmint
A roundup of updates on BESS projects from SolarMax, Energy Vault, Engie, and Spearmint in the Electric Reliability Council of Texas (ERCOT)...
Energy-Storage.News·2 months ago
Last updated 2026-03-21
View all 10 articles