Houston BESS
227.9 MW storage in Harris, TX · In queue since April 2023 · Proposed COD August 2027
227.9 MW
Capacity
1
Components
Battery
2y 11m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
4y 4m
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: 2027-08-01
State
TX
County
Harris
Region
ERCOT
Developer
SMT Houston
Utility
—
Entity
ERCOT
Point of Interconnection
Tap 138 kV LAUDER (#46002) - RITTENHOUSE (#46282) ckt 95
Data Source
LBNL + Live
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Real estate platform and energy storage investor Prologis Energy has sold a 400MW/800MWh battery energy storage system (BESS) located in Alvin, Texas, US.
Prologis Energy sells 400MW/800MWh BESS in Texas
Real estate platform and energy storage investor Prologis Energy has sold a 400MW/800MWh battery energy storage system (BESS) located in Alvin, Texas, US.
SMT Energy breaks ground on 320MWh Texas BESS
SMT Energy, with CenterPoint Energy and construction company Irby, have broken ground on the 160MW/320MWh SMT Houston IV BESS in Texas, US.
CenterPoint Energy partnering on battery storage project that aims to bolster Houston-area power grid
The 160 megawatt/320 megawatt-hour Battery Energy Storage System (BESS) is designed to improve reliability and resiliency for the Houston-area power grid.
Last updated 2026-03-26