Avalon BESS
522.12 MW storage in Fort Bend, TX · In queue since December 2023 · Proposed COD December 2026
522.12 MW
Capacity
1
Components
Battery
2y 4m
In Queue
IA Executed
IA Status
Signed Dec 2024
Queue → IA
1 year
IA → COD
2 years
Total Duration
1 year
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2026-12-01
State
TX
County
Fort Bend
Region
ERCOT
Developer
Avalon BESS, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tapping the 345 kV Line from Smithers (Bus# 44650) to Bellaire (Bus# 47000).
Data Source
LBNL + Live