IRVING STORAGE (CAISO-1539) — Project Summary

Queue ID
CAISO-1539
Capacity
782.79 MW
Technology
Battery
Status
active
Location
Monterey, CA
Region
CAISO
Developer
IA Status
IA Executed

IRVING STORAGE

CAISO-1539BetaActiveBatteryCAISOLBNL + Live

782.79 MW storage in Monterey, CA · In queue since May 2019 · Proposed COD November 2025

BA: CISOISO/RTO: CAISONERC: WECCRC: RCW

782.79 MW

Capacity

1

Components

Battery

7y 2m

In Queue

IA Executed

IA Phase

Signed Jul 2021

Interconnection

Queue → IA

2y 2m

IA → COD

4y 4m

Total Duration

2y 2m

Schedule

7 months past proposed COD

Construction75%
Queue EntryMay 7, 2019

Interconnection request submitted to ISO/RTO

Cluster Study (Phase I/II)

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

Typical: 36–48 months (IR to IA)

Interconnection AgreementJul 12, 2021

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 6–18 months

Commercial Operation

Proposed COD: 2025-11-30

Cross-source intelligence
Beta
Medium confidence·3 sources·as of 2026-06-01
Expected COD
Jun 2026
Queue date 1–2 years staleQueue: 2025-11-30
Developer
Status
Active
Active — IA executed July 2021, interconnecting to PG&E at Moss Landing 500kV, construction timeline updated to mid-2026
Financing
Unannounced
Key milestones
IA executedJul 12, 2021

Interconnection Agreement executed with CAISO

source
COD targetJun 2026Most recent

PG&E reports June 2026 target COD in WECC Annual Progress Report

source
About

The Irving Storage project is a proposed 782.79 MW battery storage project located in Monterey County, California. Interconnecting to PG&E via the Moss Landing 500 kV point of interconnection, the project is in the CAISO interconnection queue as queue ID CAISO-1539, with an initial queue entry date of May 7, 2019. The developer anticipates a commercial operation date of November 30, 2025.

The project's interconnection agreement was executed on July 12, 2021. The Irving Storage project has been the subject of recent news coverage, with at least 10 articles appearing in the press.

Generated from interconnection queue and public data sources

Development Risk

Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD by stated date)
Financing close probability
EPC + tax-equity counterparty
Project Details

State

CA

County

Monterey

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

NRIS

Point of Interconnection

Moss Landing 500 kV

Data Source

LBNL + Live

Risk Analytics

Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.

Available on the InfraSure platform

See the full risk decomposition + scenarios for this project.

Climate hazards (8+)
Generation variability (P10/P50/P90)
Offtake + transmission counterparty
Generation Forecast

Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

10-year P50 forecast
First-year output estimate
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

10-year revenue projection
First-year DSCR
Financing close risk
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.

Insights & Articles (1)Beta

Last updated 2026-03-26

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Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.