— Project Summary

Queue ID
SPP-GEN-2026-SR8
Capacity
500 MW
Technology
Battery
Status
active
Location
Elgin, OK
Region
SPP
Developer
IA Status

BetaActiveBattery/StorageSPPLive · SPP

500 MW storage in Elgin, OK · In queue since February 2026

500 MW

Capacity

0

Components

1 month

In Queue

IA Status

Interconnection Timeline

Total Duration

1 month

Pre-Study0%
Queue EntryFeb 5, 2026

Interconnection request submitted to ISO/RTO

DISIS Study

SPP uses the Definitive Interconnection System Impact Study (DISIS) cluster process.

Typical: 36–48 months (improving)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Commercial operation date not yet determined

Project Details

State

OK

County

Elgin

Region

SPP

Developer

Utility

AEP

Entity

SPP

Point of Interconnection

Cimmarron to Lawton 345 kV Line

Data Source

Live · SPP

No news available for this project.