— Project Summary

Queue ID
SPP-GEN-2022-111
Capacity
150 MW
Technology
Solar+Battery
Status
active
Location
Marion, TX
Region
SPP
Developer
IA Status
System Impact Study

BetaActiveSolarBatterySPPLBNL + Live

150 MW hybrid in Marion, TX · In queue since February 2023 · Proposed COD September 2026

150 MW

Capacity

1

Components

Solar

3y 1m

In Queue

System Impact Study

IA Status

COD target: 2026

Interconnection Timeline

Total Duration

3y 7m

Impact Study25%
Queue EntryFeb 10, 2023

Interconnection request submitted to ISO/RTO

DISIS StudyCurrent

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

Proposed COD: 2026-09-30

Project Details

State

TX

County

Marion

Region

SPP

Developer

Utility

AEP

Entity

SPP

Point of Interconnection

Wilkes 345 kV Substation

Data Source

LBNL + Live

No news available for this project.