San Perlita BESS 1 — Project Summary

Queue ID
ERCOT-23INR0496
Capacity
150 MW
Technology
Battery
Status
active
Location
Willacy, TX
Region
ERCOT
Developer
RWE Renewables
IA Status
Facility Study

San Perlita BESS 1

BetaActiveBatteryERCOTLBNL + Live

150 MW storage in Willacy, TX · In queue since June 2022 · Proposed COD December 2025

150 MW

Capacity

1

Components

Battery

3y 9m

In Queue

Facility Study

IA Status

COD target: 2025

Interconnection Timeline

Total Duration

3y 6m

Schedule

3 months past proposed COD

Facilities Study50%
Queue EntryJun 2, 2022

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: 2025-12-15

Project Details

State

TX

County

Willacy

Region

ERCOT

Developer

RWE Renewables

Utility

Entity

ERCOT

Point of Interconnection

8601 Cebolla 345kV

Data Source

LBNL + Live

No news available for this project.