Ace (CAISO-54659) — Project Summary

Queue ID
CAISO-54659
Capacity
303.96 MW
Technology
Battery
Status
active
Location
Alameda, CA
Region
CAISO
Developer
IA Status
Not Started

Ace

CAISO-54659BetaActiveBatteryCAISOLBNL

303.96 MW storage in Alameda, CA · In queue since April 2023 · Proposed COD June 2030

303.96 MW

Capacity

1

Components

Battery

3y 1m

In Queue

Not Started

IA Status

COD target: 2030

Status
Latest activityConstruction startSimcoe Reformer · 2026-01-19
Interconnection

Total Duration

7y 2m

In Study38%
Queue EntryApr 17, 2023

Interconnection request submitted to ISO/RTO

Cluster Study (Phase I/II)Current

CAISO uses cluster studies where projects are batched annually and studied together.

Typical: 36–48 months (IR to IA)

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2030-06-01

About

The Ace project is a proposed 303.96 MW battery storage project located in Alameda County, California. The project, which consists entirely of battery storage, is in the CAISO interconnection queue as entry CAISO-54659, with a queue entry date of April 17, 2023. The proposed commercial operation date is June 1, 2030. As of the latest data, the interconnection agreement has not yet been started. The interconnecting utility is PG&E, and the point of interconnection is TESLA-TRACY #1.

The Ace project has been the subject of recent news coverage, with eight articles categorized as industry news, regulatory updates, deals, and development progress.

Generated from interconnection queue and public data sources

Project Details

State

CA

County

Alameda

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

Point of Interconnection

TESLA-TRACY #1

Data Source

LBNL

DeveloperSkyline Clean Energy±Simcoe Reformer · 2026-01-19
PartnerSK OnThe Detroit News · 2025-12-15
ApplicantElba Express CompanyBluffton Today · 2025-10-20
CompanyFord Motor Co.±The Detroit News · 2025-12-15
TransactionAcquisitionEnergy-Storage.News · 2025-08-21
OfftakerBanpu Energy AustraliaEnergy-Storage.News · 2025-08-21
Market Context
Approximate
ISO / RTO
CAISO
Trading Hub
TH_ZP26_GEN-APND
Hub Confidence
LOW

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 (6)Beta

Last updated 2026-03-26

View all 6 articles

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