Old 300 Storage Center
Battery storage project in Fort Bend County, Texas. 250 MW of nameplate capacity across 1 generator, operated by Old 300 Storage Center, LLC.
Also known as EIA plant 68365
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 250 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- April 2026First generator online
- Operator
- Old 300 Storage Center, LLCEIA operator ID 66769
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- 1 ERCOT nodeResource nodes with prices
- Location
- Fort Bend County, TX29.3266, −95.8118
- EIA plant ID
- 68365EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Old 300 Storage Center produces
Free · EIA-923Net generation, 2025
Not reported
Not reported MWh, final. 0 of 12 months reported
Battery discharge, 2025
Not reported
Charge Not reported
January to July 2026
−9.58 GWh
Provisional. 4 of 7 months reported
| 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 | Not reported | Not reported | 0 of 12 |
| 2025 | Not reported | Not reported | 0 of 12 |
| 2026 (provisional, partial year) | −9,582 | Not reported | 4 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 |
|---|---|---|---|
| 8681 | Batteries | 250.0 | April 2026 |
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 Old 300 Storage Center, LLC 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 Old 300 Storage Center
Questions about Old 300 Storage Center
Where is Old 300 Storage Center?
Old 300 Storage Center is in Fort Bend County, Texas, at 29.3266, −95.8118. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Old 300 Storage Center?
EIA-860M for August 2026 lists Old 300 Storage Center, LLC as the operator (EIA operator ID 66769). The operator is not always the owner.
When did Old 300 Storage Center start operating?
Its first generator began operating in April 2026, according to EIA-860M.
Does InfraMap have power prices for Old 300 Storage Center?
Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Old 300 Storage Center, 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