Connolly BESS

116 County Rd 4511, Decatur, TX 76234

Plant Summary Information

Connolly BESS is ranked #12 out of 41 electricity used for energy storage power plants nationwide in terms of total annual net electricity generation.

Connolly BESS is comprised of 1 generator and generated -3.2 GWh during the 3-month period between February 2025 to May 2025.

Plant NameConnolly BESS
Utility NameBT Connolly Storage, LLC
LocationWise County, TX
Initial Operation DateNovember 2024
Last Update May 2025
Annual Generation 7.1 GWh
Annual Consumption 0 MMBtu
Ranked #7,140 out of 12,312 Power Plants Nationwide
Ranked #12 out of 41 Electricity Used For Energy Storage Power Plants Nationwide
Ranked #596 out of 796 Texas Power Plants
Ranked #9 out of 12 Texas Electricity Used For Energy Storage Power Plants
Fuel Types Electricity used for energy storage

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Monthly Net Generation for Connolly BESS

10k10k8k8k6k6k4k4k2k2k00Aug '24Aug '24Sep '24Sep '24Oct '24Oct '24Nov '24Nov '24Dec '24Dec '2420252025Feb '25Feb '25Mar '25Mar '25Apr '25Apr '25May '25May '25
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Connolly BESS Details

Summary Information
Plant NameConnolly BESS (67861)
Plant Address116 County Rd 4511, Decatur, TX 76234
UtilityBT Connolly Storage, LLC (66432)
Latitude, Longitude33.21073, -97.41899
Generation Dates on FileAug 2024 to May 2025
Initial Operation DateNovember 2024
Annual Generation 7.1 GWh
Fuel Types Electricity used for energy storage
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusNon-Regulated
NERC RegionTRE
Balancing AuthorityElectric Reliability Council of Texas, Inc. (ERCO)
NAICS CodeUtilities (22)
Sector IPP Non-CHP (2)
Water SourceNA
Ash Impoundment
Transmission / Distribution OwnerOncor Electric Delivery Company LLC (44372) TX
Grid Voltage 138.00 kV
Energy StorageYes

Generator CNLY Details Operating November 2024

TechnologyBatteries
Prime MoverBattery
OwnershipSingle Owner
RTO ISO LMP Node DesignationCNLY_ESS_RN
Nameplate Capacity125 MW
Nameplate Power Factor0.95
Summer Capacity125 MW
Winter Capacity125 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateNovember 2024
Sector NameIPP Non-CHP (2)
Energy SourceElectricity used for energy storage
Energy Storage Details
Nameplate Energy Capacity MWH250
Maximum Charge Rate125 MW
Maximum Discharge Rate125 MW
Storage TechnologyOTH
Nameplate Reactive Power Rating41.1
Storage Enclosure TypeCS
ArbitrageP
Frequency RegulationYes
Ramping Spinning ReserveYes
Voltage Or Reactive Power SupportYes
Direct Support Of Another UnitNo
Support T D AssetYes

Connolly BESS Plant Owners

Owner NameAddressOwnership
We couldn't locate any owners for this plant

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Electricity used for energy storage.

RankPlant NamePlant LocationAnnual Generation
#2Sun Streams 3Arlington, AZ692.1 GWh
#3DickensAfton, TX30.1 GWh
#4Five Wells Solar Center - HybridRogers, TX762.5 GWh
#5Lockhart ESS, LLCHinkley, CA27.7 GWh
#6HydraFort Stockton, TX27.6 GWh
#7PaleoAbernathy, TX26.6 GWh
#8PavoFort Stockton, TX17.8 GWh
#9Longhorn StorageCisco, TX13.2 GWh
#10GFTX BESSAustin, TX11.6 GWh
#11TortolasAlvin, TX7.2 GWh
#13Cascade Energy Storage, LLCStockton, CA6.4 GWh
#14Libra StorageSeguin, TX6.3 GWh
#15BCE Los Alamitos 1Los Alamitos, CA25.6 GWh
#16Sun Valley StorageAbbot, TX3.1 GWh
#17Keenesburg Battery StorageKeenesburg, CO1.1 GWh
#18Rattlesnake Ridge Battery StorageHudson, CO1.0 GWh
#19Horn Rapids Solar, Storage and TrainingRichland, WA6.6 GWh
#20Bromley Battery StorageBrighton, CO865.0 MWh
#21Parkway Battery StorageBroomfield, CO719.0 MWh
#22Mead Battery StorageLongmont, CO691.0 MWh

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