Quantum II BESS — Plant Summary
- EIA Plant ID
- 68761
- Capacity
- 321 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Under construction
- Location
- Haskell, TX
- Operating Since
- —
- Generators
- 1
- Operator
- IP Quantum II BESS, LLC
- Parent Company
- —
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Quantum II BESS
Under constructionBESS
Ranked #23 of 256 BESS plants in TX#79 of 837 nationally
321 MW BESS under construction in Haskell, TX — Electric Reliability Council of Texas, Inc.
EIA
321 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Location
Coordinates
33.1350, -99.5719
County
Haskell, TX
Nearby Plants
- Quantum II SolarSolar374.4 MW · 0.3 km
- Briggs Solar, LLCBESS375.5 MW · 1.5 km
- Inertia Energy StorageBESS13 MW · 4.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | IP Quantum II BESS, LLC | — | — |
| Owner(s) | IP Quantum II BESS, LLC | — | — |
| Status | Under construction | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Quantum II BESS is a 321 MW battery energy storage system located in Haskell County, Texas. The plant is owned and operated by IP Quantum II BESS, LLC. It consists of a single generator utilizing battery technology and is fueled by electricity (MWH). The facility operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region.
The Quantum II BESS plant holds a significant position within the Texas energy landscape, ranking as the 41st largest power plant in the state out of 224 facilities. Nationally, it is ranked 127th out of 514 power plants. The plant has been the subject of 9 news articles, with a focus on deals (8 articles) and regulatory matters (1 article).
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
345 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
MEDIUM confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_NORTH
Node Source
OSM spatial match
Paint Creek SubstationSubstation
News & Articles (10)Beta
Deals·debt financing
Texas BESS: Wärtsilä to supply 500 MWh project; Linea Energy secures financing for 470 MWh facility
Wärtsilä will deploy its Quantum2 system at Peregrine Energy's 250 MW/500 MWh Mallard battery energy storage (BESS) project located...
Wärtsilä (developer)Linea Energy (developer)
ESS News·3 months ago
Deals·project finance
Wärtsilä to deploy BESS solution at 600MWh Scotland project
Wärtsilä is set to deploy its new Quantum High Energy battery energy storage system (BESS) solution for a 300MW/600MWh project in Scotland.
Wärtsilä (developer)Scotland (other)
Solar Power Portal·8 months ago
Deals·project finance
Hybrid pumped hydro-BESS project in Finland doubles battery capacity
Sustainable Energy Solutions Sweden Holding (SENS) has doubled the capacity of the battery energy storage system (BESS) that forms part of...
Sustainable Energy Solutions Sweden Holding (developer)Finland (other)
ESS News·1 years ago
Regulatory·permitting
Approval for 200 MW Italian battery owned by Ireland’s Aer Soléir
The project in the municipality of Genzano di Lucania, which comprises two 100 MW sections, has received authorization from Italy's Ministry...
Aer Soléir (developer)Ireland (other)
ESS News·1 years ago
Last updated 2026-03-14
View all 10 articles