APS-Q401
700 MW hybrid in Coconino, AZ · In queue since September 2021 · Proposed COD December 2026
700 MW
Capacity
1
Components
Solar
4y 10m
In Queue
Cluster Study
IA Phase
COD target: 2026
Total Duration
5y 3m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-12-31
APS-Q401 is a proposed 700 MW hybrid solar and battery project located in Coconino County, Arizona. The development project consists of 700 MW of solar generation capacity. It is listed in the Arizona Public Service (APS) interconnection queue as of September 27, 2021, with a proposed commercial operation date of December 31, 2026. The project's interconnection status is currently in the Cluster Study phase, and its point of interconnection is the Moenkopi - El Dorado 500 kV line.
The project is located in the western region of the United States. The developer is listed as APS. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
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.
See the full development-risk decomposition for this project.
State
AZ
County
Coconino
Grid Region
Mountain West
Market
—
Developer
—
Utility
Arizona Public Service
Entity
APS
Service Type
NRIS
Point of Interconnection
Moenkopi - El Dorado 500 kV line
Data Source
LBNL
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.
See the full risk decomposition + scenarios for this project.
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.
See the full forecast + scenario decomposition for this project.
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.
See the full revenue + DSCR projection for this project.
- 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.
Top solar plant owners in the US
Data tables and metrics from the InfraSure database.
Top solar plant owners in the US
Data tables and metrics from the InfraSure database.
Top 10 solar states
Data tables and metrics from the InfraSure database.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
