Shallow Seam BESS — Project Summary

Queue ID
NYISO-C24-233
Capacity
400 MW
Technology
Battery
Status
active
Location
Clearfield, PA
Region
NYISO
Developer
Shallow Seam Energy Storage, LLC
IA Status

Shallow Seam BESS

BetaActiveBatteryNYISOLBNL + Live

400 MW storage in Clearfield, PA · In queue since September 2024 · Proposed COD December 2026

400 MW

Capacity

1

Components

Battery

1y 6m

In Queue

IA Status

COD target: 2026

Interconnection Timeline

Total Duration

2y 3m

Pre-Study0%
Queue EntrySep 22, 2024

Interconnection request submitted to ISO/RTO

TCS Study

NYISO transitioned to a Transitional Cluster Study (TCS) format in 2024.

Typical: >42 months (historical); ~24 months target

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2026-12-01

Project Details

State

PA

County

Clearfield

Region

NYISO

Developer

Shallow Seam Energy Storage, LLC

Utility

NYSEG

Entity

NYISO

Point of Interconnection

Homer City - Mainesburg 345kV Line (L47)

Data Source

LBNL + Live

No news available for this project.