KINGSROAD HYBRID SOLAR (CAISO-1587) — Project Summary

Queue ID
CAISO-1587
Capacity
203.56 MW
Technology
Solar+Battery
Status
active
Location
Kern, CA
Region
CAISO
Developer
IA Status
IA Executed

KINGSROAD HYBRID SOLAR

CAISO-1587BetaActiveSolarBatteryCAISOLBNL + Live

203.56 MW hybrid in Kern, CA · In queue since April 2019 · Proposed COD December 2028

BA: CISOISO/RTO: CAISONERC: WECCRC: RCW

203.56 MW

Capacity

2

Components

Solar + Battery

7y 3m

In Queue

IA Executed

IA Phase

Signed May 2025

Interconnection

Queue → IA

6y 1m

IA → COD

3y 7m

Total Duration

6y 1m

Study Phase

C12

Construction75%
Queue EntryApr 15, 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 AgreementMay 28, 2025

Interconnection agreement executed — binding commitment to build

Typical: 30–60 days (negotiation)

ConstructionCurrent

Project under construction

Typical: 18–30 months

Commercial Operation

Proposed COD: 2028-12-01

Cross-source intelligence
Beta
Medium confidence·4 sources·as of 2026-06-01
Expected COD
Dec 2028
From queue filing
Developer
Status
Active
Active — IA Executed May 2025, no construction announcements yet
Financing
Unannounced
Key milestones
IA executedMay 28, 2025Most recent

Interconnection Agreement executed with CAISO

source
About

The KINGSROAD HYBRID SOLAR project is a proposed 203.56 MW hybrid solar and battery energy storage project located in Kern County, California. The development project consists of 101.78 MW of solar photovoltaic generation paired with 101.78 MW of battery energy storage. The project is interconnected within the California Independent System Operator (CAISO) queue as queue ID CAISO-1587, having entered the queue on April 15, 2019.

The proposed commercial operation date is December 1, 2028. The project has an executed Interconnection Agreement (IA), dated February 14, 2023, and will interconnect at the Arco 230 kV point of interconnection. The project is within the Pacific Gas & Electric (PGAE) service area.

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.

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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

Kern

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

PGAE

Entity

CAISO

Service Type

ERIS

Point of Interconnection

Arco 230 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
Solar101.78 MW · 50%
Battery101.78 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
MEDIUM
Nearest Node (Estimated)
AGRICO_7_B1
POI Substation
Agrico

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