Olympic BESS (ERCOT-25INR0222) — Project Summary

Queue ID
ERCOT-25INR0222
Capacity
222.81 MW
Technology
Battery
Status
active
Location
Nueces, TX
Region
ERCOT
Developer
SMT Olympic BESS LLC
IA Status
Facility Study

Olympic BESS

ERCOT-25INR0222BetaActiveBatteryERCOTLBNL + Live

222.81 MW storage in Nueces, TX · In queue since October 2022 · Proposed COD July 2027

222.81 MW

Capacity

1

Components

Battery

3y 7m

In Queue

Facility Study

IA Status

COD target: 2027

Status
Latest milestoneIESO submission deadline · 2024-12-18The Peterborough Examiner · 2025-11-07
Expected COD2028The Peterborough Examiner · 2025-11-07
Interconnection

Total Duration

4y 9m

Facilities Study50%
Queue EntryOct 18, 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: 2027-07-01

About

The Olympic BESS project is a proposed 222.81 MW battery storage project located in Nueces County, Texas. The developer is SMT Olympic BESS LLC. It is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0222, with a queue entry date of October 18, 2022, and a proposed commercial operation date of July 1, 2027. The project's interconnection status is currently in the Facility Study phase and will connect to the AIRLINE 138 kV Substation (Bus# 8490).

The Olympic BESS project has been the subject of recent news coverage.

Generated from interconnection queue and public data sources

Project Details

State

TX

County

Nueces

Grid Region

ERCOT (Texas)

Market

ISO/RTO Member

Developer

SMT Olympic BESS LLC

Utility

Entity

ERCOT

Service Type

Point of Interconnection

AIRLINE 138 kV Substation (Bus# 8490)

Data Source

LBNL + Live

DeveloperSkyline EnergyThe Peterborough Examiner · 2025-11-07
Market Context
Approximate
ISO / RTO
ERCOT
Trading Hub
HB_HOUSTON
Hub Confidence
MEDIUM
Nearest Node (Estimated)
CR_RN
POI Substation
Airline Substation

This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.

News & Articles (1)Beta

Last updated 2026-03-26

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