Pauline BESS — 10 MW battery storage, Henderson County, TX

Pauline BESS — 10 MW battery storage, Henderson County, TX · Ask the Grid

Generation and physical site

EIA plant 66784 · 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 Pauline BESS
Generator	Technology	Status	Power (MW)	Energy (MWh)
PAULN	Batteries	Operating	9.9	9.9

Physical map location · OpenStreetMap: 32.33609, -96.05626
Filed location · EIA: 32.33503, -96.05790

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 17, 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
PAULN	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

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOwner / operatorOrganizationRelated asset

Parties and identifiers

OrganizationRoleBasis

HEN Infrastructure, L.L.C.Owner / asset managerOwner and EIA utility ONCORTransmission owner / interconnecting utilityTransmission owner

PAULN_ESR1Market resourcesLinked ERCOT resources.

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

Mar 2021
Mar 2021
HEN Infrastructure formation with $225M Manulife commitmentprnewswire....
Manulife Investment Management committed $225 million to form HEN Infrastructure, L.L.C., in collaboration with Hunt Energy Network, to develop and operate a portfolio of distribution-level energy-storage assets in ERCOT. The commitment is portfolio-level and covers multiple projects, not Pauline BESS specifically.
Nov 1, 2023
Nov 1, 2023
FERC MBR Registrationmbrweb.ferc...
FERC MBR registry activated Pauline BESS under HEN Infrastructure, L.L.C., with EIA Plant ID 66784, FERC plant code 55543, generator ID PAULN, Henderson County, and 9.9 MW nameplate capacity.
Mar 2024
Mar 2024
Generator enters operationEIA-860
EIA-860 lists generator PAULN with this operating date.
Aug 8, 2024
Aug 8, 2024
Hunt Energy Network announces $250M Manulife commitmentprnewswire....
Hunt Energy Network announced a $250 million Manulife commitment for dispatchable power resources and thermal generation. The announcement expressly distinguished this commitment from the March 2021 HEN Infrastructure financing. Neither amount is allocated as Pauline-specific project financing.
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 Pauline BESS

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

How big is Pauline BESS?

Pauline 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 Pauline BESS?

Pauline BESS is a batteries facility in Henderson County, TX, participating in the ERCOT market.

Where is Pauline BESS located?

Pauline BESS is in Henderson County, TX, inside the ERCOT balancing area.

Who operates Pauline BESS?

Pauline 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 Pauline BESS generate?

Pauline BESS reported 806 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 Pauline BESS compare to other plants?

By capacity, Pauline 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.

Malakoff Solar ProjectSolar PhotovoltaicSolar Photovoltaic10 MW17 km Gaia HybridBatteries, Solar PhotovoltaicBatteries, Solar Photovoltaic230 MW23 km Tanzanite StorageBatteriesBatteries · same type283 MW24 km Trinidad (TX)Natural Gas Steam Turbine, Petroleum LiquidsNatural Gas Steam Turbine, Petroleum Liquids

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