Pianissimo BESS II — Project Summary

Queue ID
ERCOT-26INR0329
Capacity
202 MW
Technology
Battery
Status
active
Location
Wise, TX
Region
ERCOT
Developer
Pianissimo Storage, LLC
IA Status
Facility Study

Pianissimo BESS II

BetaActiveBatteryERCOTLBNL + Live

202 MW storage in Wise, TX · In queue since November 2024 · Proposed COD December 2027

202 MW

Capacity

1

Components

Battery

1y 4m

In Queue

Facility Study

IA Status

COD target: 2027

Interconnection Timeline

Total Duration

3y 1m

Facilities Study50%
Queue EntryNov 19, 2024

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

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: 2027-12-31

Project Details

State

TX

County

Wise

Region

ERCOT

Developer

Pianissimo Storage, LLC

Utility

Entity

ERCOT

Point of Interconnection

Tap 138kV 685 LEO - 587 GREENWOOD

Data Source

LBNL + Live

No news available for this project.