Elio BESS — Project Summary

Queue ID
ERCOT-25INR0103
Capacity
317.2 MW
Technology
Battery
Status
active
Location
Brazoria, TX
Region
ERCOT
Developer
Elio Energy LLC
IA Status
IA Executed

Elio BESS

ERCOT-25INR0103BetaActiveBatteryERCOTLBNL + Live

317.2 MW storage in Brazoria, TX · In queue since July 2022 · Proposed COD August 2027

317.2 MW

Capacity

1

Components

Battery

3y 9m

In Queue

IA Executed

IA Status

Signed Sep 2024

Interconnection Timeline

Queue → IA

2y 2m

IA → COD

2y 11m

Total Duration

2y 2m

Construction75%
Queue EntryJul 5, 2022

Interconnection request submitted to ISO/RTO

Interconnection Study

ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.

Typical: 18–30 months (fastest major ISO)

Interconnection AgreementSep 15, 2024

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2027-08-05

Project Details

State

TX

County

Brazoria

Region

ERCOT

Developer

Elio Energy LLC

Utility

—

Entity

ERCOT

Service Type

—

Point of Interconnection

Tap 138kV 42980 Nash - 44010 Wa Parish circuit 02

Data Source

LBNL + Live

Linked EIA Plant

Elio Energy LLC

EIA Plant ID: 65850

View Plant
No news available for this project.