Longhorn Storage

4405 FM 880N, Cisco, TX 76437

Plant Summary Information

Longhorn Storage is ranked #11 out of 41 electricity used for energy storage power plants nationwide in terms of total annual net electricity generation.

Longhorn Storage is comprised of 1 generator and generated 6.6 GWh during the 3-month period between January 2025 to April 2025.

Plant NameLonghorn Storage
Utility NameLonghorn Storage LLC
LocationEastland County, TX
Initial Operation DateSeptember 2024
Last Update Apr 2025
Annual Generation 6.6 GWh
Annual Consumption 0 MMBtu
Ranked #7,303 out of 12,299 Power Plants Nationwide
Ranked #11 out of 41 Electricity Used For Energy Storage Power Plants Nationwide
Ranked #598 out of 792 Texas Power Plants
Ranked #8 out of 10 Texas Electricity Used For Energy Storage Power Plants
Fuel Types Electricity used for energy storage

Map of Longhorn Storage

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Monthly Net Generation for Longhorn Storage

Longhorn Storage Details

Summary Information
Plant NameLonghorn Storage (68878)
Plant Address4405 FM 880N, Cisco, TX 76437
UtilityLonghorn Storage LLC (67132)
Latitude, Longitude32.42869, -99.15911
Generation Dates on FileApr 2025 to Apr 2025
Initial Operation DateSeptember 2024
Annual Generation 6.6 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 StatusYes
FERC Exempt Wholesale Generator Docket NumberEG23-269-000
Regulatory Information
Regulatory StatusNon-Regulated
NERC RegionTRE
Balancing AuthorityElectric Reliability Council of Texas, Inc. (ERCO)
NAICS CodeUtilities (22)
Sector IPP Non-CHP (2)
Water Source
Ash Impoundment No
Transmission / Distribution OwnerLone Star Transmission, LLC (65090) TX
Grid Voltage 345.00 kV
Energy StorageYes

Generator LONGH Details Operating September 2024

TechnologyBatteries
Prime MoverBattery
OwnershipSingle Owner
Nameplate Capacity165 MW
Summer Capacity142.1 MW
Winter Capacity142.1 MW
Minimum Load10 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateSeptember 2024
Combined Heat & Power No
Sector NameIPP Non-CHP (2)
Energy SourceElectricity used for energy storage
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Energy Storage Details
Nameplate Energy Capacity MWH165
Maximum Charge Rate150 MW
Maximum Discharge Rate150 MW
Storage TechnologyLIB
Nameplate Reactive Power Rating68.7
Storage Enclosure TypeCS
ArbitrageYes
Frequency RegulationP
Load FollowingYes
Ramping Spinning ReserveYes
System Peak ShavingYes
Voltage Or Reactive Power SupportYes
Direct Support Of Another UnitNo
Support T D AssetNo

Longhorn Storage 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
#1Sun Streams 3Arlington, AZ671.0 GWh
#2Atrisco Energy StorageRio Rancho, NM137.4 GWh
#3Lockhart ESS, LLCHinkley, CA28.3 GWh
#4Five Wells Solar Center - HybridRogers, TX734.3 GWh
#5DickensAfton, TX19.3 GWh
#6HydraFort Stockton, TX18.8 GWh
#7PavoFort Stockton, TX18.0 GWh
#8PaleoAbernathy, TX18.0 GWh
#9GFTX BESSAustin, TX11.8 GWh
#10Connolly BESSDecatur, TX8.1 GWh
#12BCE Los Alamitos 1Los Alamitos, CA25.6 GWh
#13Cascade Energy Storage, LLCStockton, CA4.9 GWh
#14TortolasAlvin, TX4.7 GWh
#15Keenesburg Battery StorageKeenesburg, CO1.1 GWh
#16Rattlesnake Ridge Battery StorageHudson, CO1.0 GWh
#17Horn Rapids Solar, Storage and TrainingRichland, WA6.6 GWh
#18Bromley Battery StorageBrighton, CO865.0 MWh
#19Parkway Battery StorageBroomfield, CO719.0 MWh
#20West Ford FlatMiddletown, CA696.0 MWh
#21Mead Battery StorageLongmont, CO691.0 MWh

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