Lufkin South BESS — 10 MW battery storage, TX

Lufkin South BESS — 10 MW battery storage, TX · Ask the Grid

Generation and physical site

EIA plant 66789 · Inventory for Aug 2026.

Reported operating nameplate by technology

Battery storage: 9.9 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for Lufkin South BESS
Generator	Technology	Status	Power (MW)	Energy (MWh)
LUFKS	Batteries	Operating	9.9	9.9

Physical map location · OpenStreetMap: 31.29104, -94.72385
Filed location · EIA: 31.29198, -94.72424

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Aug 2026
EIA retrieved: Oct 10, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Dec 10, 2025
Map prepared: Oct 10, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
LUFKS	9.9 MW 9.9 MW summer	Batteries Electricity used for energy storage · BA	Mar 2024	Operating

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

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AssetOwner / operatorOrganizationRelated asset

Parties and identifiers

OrganizationRoleBasis

HEN Infrastructure, L.L.C.Owner / operatorOwner

Hunt Energy Network, L.L.C.Developer / asset managerDeveloper, operator, and asset manager

Reporting portfolio

EIA reporting entity

HEN Infrastructure, L.L.C.

Entity 65076

Operating portfolio

31 plants

1 states

Reported capacity

317.3 MW

Batteries · Petroleum Liquids

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Olney	19.8 MW	TX
Toyah Power Station	10.4 MW	TX
Russek	9.9 MW	TX
Junction (TX)	9.9 MW	TX
Mineral Wells East BESS	9.9 MW	TX
Gomez	9.9 MW	TX
Caterina

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Feb 21, 2024
Feb 21, 2024
Commercial Operation / Commissioningmodo-conten...
ERCOT records February 21, 2024 as the commissioning date for Lufkin South BESS. The facility entered commercial operation with 9.9 MW rated power and 9.9 MWh energy capacity.
Mar 2024
Mar 2024
Generator enters operationEIA-860
EIA-860 lists generator LUFKS with this operating date.
Aug 24, 2026
Aug 24, 2026
Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

ERCOTERCOT 60-Day SCED disclosureMarket disclosure

Common questions about Lufkin South BESS

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Lufkin South BESS?

Lufkin South BESS reports 9.9 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

What kind of plant is Lufkin South BESS?

Lufkin South BESS is a batteries facility in Angelina County, TX, participating in the ERCOT market.

Where is Lufkin South BESS located?

Lufkin South BESS is in Angelina County, TX, inside the ERCOT balancing area.

Who operates Lufkin South BESS?

Lufkin South BESS is operated by HEN Infrastructure, L.L.C. according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Lufkin South BESS generate?

Lufkin South BESS reported 766 MWh over the twelve months to 2024-12. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.

How does Lufkin South BESS compare to other plants?

By capacity, Lufkin South BESS ranks #554 of 1,061 operating plants of the same technology nationally. It ranks #165 of 254 in TX.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

Diboll BESSBatteriesBatteries · same type10 MW13 km Azalea Springs Solar ParkSolar PhotovoltaicSolar Photovoltaic180 MW19 km

Overview

Infrastructure record

Overview

Infrastructure record

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Structured profile

Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

ERCOT disclosed dispatch

Dispatch

Output by hourlocal time · 90 days through Aug 24, 2026

Latest disclosed outputhourly · 2 weeks ending Aug 24, 2026

Settlement price economics

Grid and market context

Market registration

Operating context

Interconnection record

Nearby substations

Commercial, land, and environmental record

Transactions and agreements