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Battery storage · Matagorda County, Texas
Duffy BESS
A 241 MW battery storage project in Matagorda County, Texas. Duffy BESS has work under way on site. Public records name Duffy Energy Storage LLC as its developer. A builder is on record; its name and the people to call are in the app.
The record
What the public record says about Duffy BESS, as of 22 Oct 2026.
| Stage | Under construction |
|---|---|
| Construction start | Q4 2025 permit on file |
| Size | 241 MW |
| Location | Matagorda County, Texas (to about 10 km) |
| Developer | Duffy Energy Storage LLC |
| Grid operator | ERCOT |
| Builder (EPC) | on record, in the app |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.
What happened
Each change dated by the scene or the document, newest first.
- Stormwater permit filed.
Who was named on it, and when, is in the app.
Also in Matagorda County
| Project | Stage | Size |
|---|---|---|
| Duffy SolarUtility solar | Under construction | 502 MW |
| Isaac SolarUtility solar | Under construction | 51 MW |
| Matagorda Clean Energy Center (BESS)Battery storage | Under construction | 10 MW |
| Eldora BESSBattery storage | Financed | 201 MW |
| Eldora SolarUtility solar | Financed | 201 MW |
| City Breeze BESSBattery storage | Financed | 143 MW |
More
Questions
Duffy BESS, in short.
Where is Duffy BESS?
Duffy BESS is a 241 MW battery storage project in Matagorda County, Texas, in ERCOT's interconnection queue. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Duffy BESS?
A construction permit on file dates the start of work to the fourth quarter of 2025.
Who is developing Duffy BESS?
Duffy Energy Storage LLC, as the public record names it.
Who is building Duffy BESS?
A builder is named for Duffy BESS in the public record. Its name, the trade subcontractors and the people to call are in the subscriber record, each with the record that names it.
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