Weil Tract BESS
Battery storage project in Nueces County, Texas. 9.9 MW of nameplate capacity across 1 generator, operated by HEN Infrastructure, L.L.C..
Also known as EIA plant 66783
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 9.9 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2024First generator online
- Operator
- HEN Infrastructure, L.L.C.EIA operator ID 65076
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Nueces County, TX27.7969, −97.4871
- EIA plant ID
- 66783EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Weil Tract BESS produces
Free · EIA-923Net generation, 2025
−259 MWh
−259 MWh, final
Battery discharge, 2025
1.31 GWh
Charge 1.57 GWh
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2024 to 2025
−259.0–−134.0
MWh a year. Low 2025, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | −134 | Not reported | 12 of 12 |
| 2025 | −259 | Not reported | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 · ERCOTEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo 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| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| WEILT | Batteries | 9.9 | June 2024 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists HEN Infrastructure, L.L.C. as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Weil Tract BESS
More plants operated by HEN Infrastructure, L.L.C.
Questions about Weil Tract BESS
How much power does Weil Tract BESS produce?
Weil Tract BESS reported −259 MWh (−259 MWh) of net generation in 2025.
Where is Weil Tract BESS?
Weil Tract BESS is in Nueces County, Texas, at 27.7969, −97.4871. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Weil Tract BESS?
EIA-860M for August 2026 lists HEN Infrastructure, L.L.C. as the operator (EIA operator ID 65076). The operator is not always the owner.
When did Weil Tract BESS start operating?
Its first generator began operating in June 2024, according to EIA-860M.
Does InfraMap have power prices for Weil Tract BESS?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Weil Tract BESS, 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