HARQUAHALA SUNRISE (CAISO-1678) — Project Summary

Queue ID
CAISO-1678
Capacity
617.852 MW
Technology
Solar+Battery
Status
active
Location
Maricopa, AZ
Region
CAISO
Developer
IA Status
System Impact Study

HARQUAHALA SUNRISE

CAISO-1678BetaActiveSolarBatteryCAISOLBNL + Live

617.852 MW hybrid in Maricopa, AZ · In queue since April 2020 · Proposed COD April 2030

BA: AZPSISO/RTO: CAISONERC: WECCRC: SPPW

617.852 MW

Capacity

2

Components

Solar + Battery

6y 3m

In Queue

System Impact Study

IA Phase

COD target: 2030

Interconnection

Total Duration

10 years

Study Phase

C13

Impact Study25%
Queue EntryApr 15, 2020

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: 2030-04-01

Cross-source intelligence
Beta
Medium confidence·3 sources·as of 2026-06-01
Expected COD
2030
From queue filing
Developer
Copia Power
Confirmed
Status
Active
Active — System Impact Study phase per CAISO queue; part of Copia Power's Harquahala Campus multi-project development
Financing
In progress
Copia Power secured $1.7B debt facility (March 2025) for 2.2GWh Arizona storage portfolio; unclear if Harquahala Sunrise specifically included
Key milestones
Financing closeMar 2025Most recent

Copia Power closes $1.7B debt facility for 2.2GWh Arizona battery storage projects

source
About

The Harquahala Sunrise project is a proposed 617.85 MW hybrid solar and battery energy storage project located in Maricopa County, Arizona. The development project consists of 308.93 MW of solar photovoltaic generation paired with 308.93 MW of battery storage. The project is in the California Independent System Operator (CAISO) interconnection queue as queue ID CAISO-1678, with an entry date of April 15, 2020.

The proposed commercial operation date for Harquahala Sunrise is April 1, 2030. The project's interconnection point is the Delaney Substation 500 kV. The designated utility is DCRT. The project's interconnection status is currently in the System Impact Study phase. The project has appeared in recent news coverage.

Generated from interconnection queue and public data sources

Development Risk

Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. 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)
Withdrawal probability vs cohort
IA cluster risk
Project Details

State

AZ

County

Maricopa

Grid Region

CAISO (California)

Market

ISO/RTO Member

Developer

Utility

DCRT

Entity

CAISO

Service Type

NRIS

Point of Interconnection

Delaney Substation 500 kV

Data Source

LBNL + Live

Risk Analytics

Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. 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
Solar308.926 MW · 50%
Battery308.926 MW · 50%
Generation Forecast

Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.

Available on the InfraSure platform

See the full forecast + scenario decomposition for this project.

P50 conditioned on COD
Capacity factor vs cohort
Weather + policy scenarios
Financial Forecast

Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

Revenue conditioned on COD
Financing close risk
Cohort DSCR comparison
Market Context
Approximate
ISO / RTO
CAISO
Trading Hub
TH_SP15_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.

No insights available for this project.
InfraSure platform

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