Project APS-Q315 — Project Summary

Queue ID
APS-Q315
Capacity
50 MW
Technology
Battery
Status
suspended
Location
Coconino, AZ
Region
West
Developer
IA Status
Suspended

APS-Q315

APS-Q315BetaSuspendedBatteryAPSLBNL

50 MW storage in Coconino, AZ · In queue since September 2019 · Proposed COD October 2022

BA: AZPSNERC: WECCRC: SPPW

50 MW

Capacity

1

Components

Battery

6y 10m

In Queue

Suspended

IA Phase

COD target: 2022

Interconnection

Total Duration

3y 1m

Suspended38%
Queue EntrySep 30, 2019

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: 2022-10-31

About

APS-Q315 is a proposed 50 MW battery storage project located in Coconino County, Arizona. The project is listed in the Arizona Public Service (APS) interconnection queue, with a queue entry date of September 30, 2019. The proposed commercial operation date is October 31, 2022.

The interconnection agreement for the project is currently listed as "In Progress" with an unknown study. The point of interconnection is the Woody Mountain 69kV substation.

Generated from interconnection queue and public data sources

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.

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P(COD within window)
Cost overrun probability
Schedule slippage vs plan
Project Details

State

AZ

County

Coconino

Grid Region

Mountain West

Market

Developer

Utility

Arizona Public Service

Entity

APS

Service Type

NRIS

Point of Interconnection

Woody Mountain 69kV

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.

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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.

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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.

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