SOHO II BESS — Project Summary

Queue ID
ERCOT-25INR0162
Capacity
206.32 MW
Technology
Battery
Status
active
Location
Brazoria, TX
Region
ERCOT
Developer
Black Mountain Energy Storage II
IA Status
IA Executed

SOHO II BESS

ERCOT-25INR0162BetaActiveBatteryERCOTLBNL + Live

206.32 MW storage in Brazoria, TX · In queue since August 2022 · Proposed COD June 2026

206.32 MW

Capacity

1

Components

Battery

3y 8m

In Queue

IA Executed

IA Status

Signed Apr 2023

Interconnection Timeline

Queue → IA

8 months

IA → COD

3y 2m

Total Duration

8 months

Construction75%
Queue EntryAug 16, 2022

Interconnection request submitted to ISO/RTO

Interconnection Study

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection AgreementApr 15, 2023

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2026-06-01

Project Details

State

TX

County

Brazoria

Region

ERCOT

Developer

Black Mountain Energy Storage II

Utility

Entity

ERCOT

Service Type

Point of Interconnection

43035 Oasis 345kV

Data Source

LBNL + Live

No news available for this project.