Project APS-Q289 — Project Summary

Queue ID
APS-Q289
Capacity
50 MW
Technology
Battery
Status
active
Location
Maricopa, AZ
Region
West
Developer
IA Status
In Progress (unknown study)

APS-Q289

APS-Q289BetaActiveBatteryAPSLBNL

50 MW storage in Maricopa, AZ · In queue since September 2018 · Proposed COD June 2023

BA: AZPSNERC: WECCRC: SPPW

50 MW

Capacity

1

Components

Battery

7y 8m

In Queue

In Progress (unknown study)

IA Phase

COD target: 2023

Interconnection

Total Duration

4y 9m

Schedule

37 months past proposed COD

In Study38%
Queue EntrySep 29, 2018

Interconnection request submitted to ISO/RTO

Interconnection StudyCurrent

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: 2023-06-01

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

Mountain West

Market

Developer

Utility

Arizona Public Service

Entity

APS

Service Type

NRIS

Point of Interconnection

El Sol 69kV

Data Source

LBNL

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
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
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.