Mission Station Energy Storage II — Project Summary

Queue ID
ERCOT-28INR0475
Capacity
375 MW
Technology
Battery
Status
active
Location
Bexar, Texas
Region
ERCOT
Developer
Mission Station LLC
IA Status

Mission Station Energy Storage II

BetaActiveOther - Battery Energy StorageERCOTLive · ERCOT

375 MW storage in Bexar, Texas · In queue since February 2026 · Proposed COD December 2028

375 MW

Capacity

0

Components

1 month

In Queue

IA Status

COD target: 2028

Interconnection Timeline

Total Duration

2y 10m

Pre-Study0%
Queue EntryFeb 10, 2026

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 Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2028-12-31

Project Details

State

Texas

County

Bexar

Region

ERCOT

Developer

Mission Station LLC

Utility

Entity

ERCOT

Point of Interconnection

Tap 345kV (Bus #5400) SPRUCE – (Bus #5475) VON_ROSE Ckt 1; Tap 345kV (Bus #5400) SPRUCE – (Bus #5231) HOWARD_5 Ckt 1

Data Source

Live · ERCOT

No news available for this project.