Briefing/projectactive
Sigma Storage is a 408 MW Battery project in Texas, currently active.
AES Distributed Energy, Inc is the reported developer. The reported queue phase is Facility Study. Proposed COD is 2029-10-01.
- Queue ID
- ERCOT-23INR0126
- Location
- Harris, Texas
- Technology
- Battery
- Developer
- AES Distributed Energy, Inc
- Market / region
- ERCOT
- Point of interconnection
- 40460 Deepwater 138kV
What stands out
1
Sigma Storage is a 408 MW Battery project in Texas with status active.
2
AES Distributed Energy, Inc is the reported developer.
3
The reported queue phase is Facility Study; proposed COD is 2029-10-01.
4
Latest linked story: “Van Zandt Commissioners pass moratorium, pausing lithium storage” (KETK.com, 2026-02-12).
Market and operating context
- Queue date
- 2021-05-11
- Proposed COD
- 2029-10-01
- IA status
- Facility Study
- Study phase
- Facility Study
Why it matters
Queue phase, proposed timing, developer identity, and linked events determine how much of the stated pipeline should be treated as actionable development capacity. The project page and deeper report preserve those fields for further diligence.
