APS-Q378

APS-Q378BetaSuspendedSolarBatteryAPSLBNL

250 MW hybrid in Maricopa, AZ · In queue since March 2021 · Proposed COD June 2024

BA: AZPSNERC: WECCRC: SPPW

250 MW

Capacity

Components

Solar

5y 2m

In Queue

Suspended

IA Phase

COD target: 2024

Interconnection

Total Duration

3y 3m

Suspended38%

Queue EntryMar 31, 2021

Interconnection request submitted to ISO/RTO

Interconnection Study

Project undergoes interconnection studies to assess grid impact.

Typical: 18–36 months

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2024-06-01

Development Risk

Realization risk through commissioning — schedule slippage, construction cost overrun, and COD probability vs the stated window. The diligence view that determines whether the project comes online when promised. Powered by InfraSure's development-stage modeling stack.

Available on the InfraSure platform

See the full development-risk decomposition for this project.

P(COD within window)

Cost overrun probability

Schedule slippage vs plan

Project Details

State

County

Maricopa

Grid Region

Mountain West

Market

—

Developer

—

Utility

Arizona Public Service

Entity

APS

Service Type

NRIS

Point of Interconnection

Sun Valley 230kV

Data Source

LBNL

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 curtailment risk decomposed by congestion zone and 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

Curtailment risk by node

Weather + policy scenarios

Financial Forecast

Forward revenue, first-year DSCR, and construction cost overrun exposure — what determines whether the deal clears its covenants once online. Projected across price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.

Available on the InfraSure platform

See the full revenue + DSCR projection for this project.

First-year DSCR

Cost overrun probability

Price + demand scenarios

Market Context

Approximate

ISO / RTO: MOUNTAIN_WEST
Trading Hub: PALOVERDE
Hub Confidence: UNKNOWN

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.

Project APS-Q378 — Project Summary

APS-Q378