ALWEST BESS
208.63 MW storage in Anderson, TX · In queue since August 2021 · Proposed COD April 2028
208.63 MW
Capacity
1
Components
Battery
4y 9m
In Queue
Facility Study
IA Status
COD target: 2028
Total Duration
6y 8m
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-04-19
The ALWEST BESS project is a proposed 208.63 MW battery storage project located in Anderson County, Texas. It is being developed by Castleman Power and consists entirely of battery storage. The project is currently active in the ERCOT interconnection queue as entry ERCOT-22INR0541, with a queue entry date of August 24, 2021.
The proposed commercial operation date for ALWEST BESS is April 19, 2028. Its interconnection status is currently in the Facility Study phase, and the point of interconnection is the 3114 Paltalco 138kV substation. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Anderson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Castleman Power
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
3114 Paltalco 138kV
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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