KETTLE SOLAR ONE (CAISO-1532) — Project Summary

Queue ID
CAISO-1532
Capacity
180 MW
Technology
Solar+Battery
Status
active
Location
San Diego, CA
Region
CAISO
Developer
IA Status
IA Executed

KETTLE SOLAR ONE

CAISO-1532BetaActiveSolarBatteryCAISOLBNL + Live

180 MW hybrid in San Diego, CA · In queue since April 2018 · Proposed COD January 2027

BA: CISOISO/RTO: CAISONERC: WECCRC: RCW

180 MW

Capacity

2

Components

Solar + Battery

8y 3m

In Queue

IA Executed

IA Phase

Signed May 2020

Interconnection

Queue → IA

2y 1m

IA → COD

6y 8m

Total Duration

2y 1m

Study Phase

C11

Construction75%
Queue EntryApr 16, 2018

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 AgreementMay 14, 2020

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–30 months

Commercial Operation

Proposed COD: 2027-01-13

Cross-source intelligence
Beta
Medium confidence·4 sources·as of 2026-06-01
Expected COD
Oct 2026
Queue date 1–2 years staleQueue: 2027-01-13
Developer
Status
Active
Active — IA executed 2020-05-14, project tracked in CAISO near-term interconnection briefings as of Dec 2023, targeting Oct 2026 COD
Financing
Unannounced
Key milestones
IA executedMay 14, 2020

Interconnection Agreement executed with CAISO, confirmed in CPUC SDG&E tracking document

source
COD targetOct 2026Most recent

Expected online date October 2026 per Cleanview project tracker

source
About

KETTLE SOLAR ONE is a proposed 180 MW hybrid solar and battery project located in San Diego County, California. The development project consists of 90 MW of solar generation paired with 90 MW of battery storage. Interconnection is planned via the Carrizo Gorge Switchyard 138 kV.

The project is listed in the CAISO interconnection queue as entry CAISO-1532, with an original queue entry date of April 16, 2018. The proposed commercial operation date is October 31, 2026. An Interconnection Agreement (IA) has been executed as of May 14, 2020. KETTLE SOLAR ONE has been the subject of recent news coverage.

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

San Diego

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

SDGE

Entity

CAISO

Service Type

NRIS

Point of Interconnection

Carrizo Gorge Switchyard 138 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
Technology
Solar90 MW · 50%
Battery90 MW · 50%
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.

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InfraSure platform

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