Battery storageOperatingERCOT

Longbow BESS, LLC

Battery storage project in Brazoria County, Texas. 174 MW of nameplate capacity across 1 generator, operated by Longbow BESS, LLC.

Also known as EIA plant 67083

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Cottonwood Bayou StorageAscend Performance Materials Texas Inc.Power IslandMaverick Clean Energy Center (BESS)Myrtle StorageLongbow BESS5 km
Open in the map
6 plants within 14 km, from EIA coordinates.

Key facts

Capacity
174 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
October 2024First generator online
Operator
Longbow BESS, LLCEIA operator ID 65984
Grid
ERCOTBalancing authority ERCO
Price nodes
1 ERCOT nodeResource nodes with prices
Location
Brazoria County, TX29.2816, −95.2955
EIA plant ID
67083EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Longbow BESS produces

Free · EIA-923

Net generation, 2025

−19.9 GWh

−19,914 MWh, final

Battery discharge, 2025

97.0 GWh

Charge 117 GWh

January to July 2026

−11.3 GWh

Provisional

Annual net generation, GWh
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
2013Not reportedNot reported0 of 12
2014Not reportedNot reported0 of 12
2015Not reportedNot reported0 of 12
2016Not reportedNot reported0 of 12
2017Not reportedNot reported0 of 12
2018Not reportedNot reported0 of 12
2019Not reportedNot reported0 of 12
2020Not reportedNot reported0 of 12
2021Not reportedNot reported0 of 12
2022Not reportedNot reported0 of 12
2023Not reportedNot reported0 of 12
2024−700Not reported4 of 12
2025−19,914Not reported12 of 12
2026 (provisional, partial year)−11,285Not reported7 of 7

* 2026 covers January to July and is provisional. Battery plants can report negative net generation, when charging uses more energy than they discharge.

Power prices and basis

Free account · ERCOT

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
LBBESBatteries174.0October 2024

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Longbow BESS, LLC as the operator, which is not always the owner.

Modeled data

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Pro adds modeled values for this plant. Everything above stays free.

Analyst and MCP

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Power plants near Longbow BESS

Questions about Longbow BESS

How much power does Longbow BESS, LLC produce?

Longbow BESS, LLC reported −19,914 MWh (−19.9 GWh) of net generation in 2025. From January to July 2026 it reported −11.3 GWh, which is provisional.

Where is Longbow BESS, LLC?

Longbow BESS, LLC is in Brazoria County, Texas, at 29.2816, −95.2955. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).

Who operates Longbow BESS, LLC?

EIA-860M for August 2026 lists Longbow BESS, LLC as the operator (EIA operator ID 65984). The operator is not always the owner.

When did Longbow BESS, LLC start operating?

Its first generator began operating in October 2024, according to EIA-860M.

Does InfraMap have power prices for Longbow BESS, LLC?

Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Longbow BESS, LLC, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page