Falfurrias BESS — 10 MW battery storage, Brooks County, TX

Falfurrias BESS — 10 MW battery storage, Brooks County, TX · Ask the Grid

Generation and physical site

EIA plant 66792 · 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 Falfurrias BESS
Generator	Technology	Status	Power (MW)	Energy (MWh)
FALFU	Batteries	Operating	9.9	9.9

Physical map location · OpenStreetMap: 27.24228, -98.14043
Filed location · EIA: 27.24243, -98.14055

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: Mar 19, 2026
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
FALFU	9.9 MW 9.9 MW summer	Batteries Electricity used for energy storage · BA	Sep 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 and registered utility HEN Power Marketing LLCQualified scheduling entity / market participantERCOT qualified scheduling entity

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

Nov 1, 2023
Nov 1, 2023
EIA/FERC Active Datembrweb.ferc...
The FERC/EIA index records Falfurrias BESS plant 66792 and generator FALFU under HEN Infrastructure, L.L.C., with 9.9 MW nameplate capacity and an active date of November 1, 2023.
Sep 2024
Sep 2024
Generator enters operationEIA-860
EIA-860 lists generator FALFU with this operating date.
Aug 23, 2026
Aug 23, 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 Falfurrias BESS

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

How big is Falfurrias BESS?

Falfurrias 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 Falfurrias BESS?

Falfurrias BESS is a batteries facility in Brooks County, TX, participating in the ERCOT market.

Where is Falfurrias BESS located?

Falfurrias BESS is in Brooks County, TX, inside the ERCOT balancing area.

Who operates Falfurrias BESS?

Falfurrias 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 Falfurrias BESS generate?

Falfurrias BESS reported 398 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 Falfurrias BESS compare to other plants?

By capacity, Falfurrias 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.

Regis FalfurriasBatteriesBatteries · same type10 MW102 m

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 23, 2026

Latest disclosed outputhourly · 2 weeks ending Aug 23, 2026

Settlement price economics

Grid and market context

Market registration

Operating context

Interconnection record

Nearby substations

Commercial, land, and environmental record

Transactions and agreements