Box Canyon (AZ) — Plant Summary
- EIA Plant ID
- 68281
- Capacity
- 600 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Pinal, AZ
- Operating Since
- 2025
- Generators
- 2
- Operator
- BOCA bn, LLC
- Parent Company
- —
- Annual Generation
- 506,892 MWh
- Capacity Factor
- 16.5%
- Balancing Authority
- Arizona Public Service Company
- ISO/RTO
- —
- NERC Region
- WECC
Box Canyon (AZ)
OperatingBESSSolarHybrid
Ranked #9 of 55 BESS plants in AZ#35 of 837 nationally
600 MW Batteries (300 MW) + Solar Photovoltaic (300 MW) operating in Pinal, AZ — Arizona Public Service Company
EIAGEM
600 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2025
Operating Since
Location
Coordinates
33.1606, -111.3692
County
Pinal, AZ
Nearby Plants
- Copper Crossing Energy and Research CentSolar154.2 MW · 10.7 km
- Poseidon Solar, LLCSolar20 MW · 10.7 km
- Bonnybrooke PVSolar50 MW · 12.2 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | BOCA bn, LLC | Cordelio Power; BrightNight | — |
| Owner(s) | Cordelio BNC Holdings, LLC, WestDevCo bn, LLC | Cordelio Power; BrightNight | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Cordelio Power; BrightNight
This entity is not yet in the GEM ownership database — chain unavailable.
About
Box Canyon is a 600 MW hybrid power plant located in Pinal County, Arizona. The facility, which combines solar photovoltaic and battery storage technologies, began operating in 2025. It is owned and operated by BOCA bn, LLC. The plant's primary fuel source is listed as MWH, reflecting its reliance on electricity from the solar array and batteries. Box Canyon is connected to the Arizona Public Service Company balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
In its most recent year of operation, Box Canyon generated 506,892 MWh of electricity, achieving a capacity factor of 16.5%. The solar portion of the plant utilizes a fixed tilt tracking system. Box Canyon is ranked as the 11th largest power plant out of 47 in Arizona, and 45th out of 514 nationally. Financial data indicates that the plant has a power purchase agreement (PPA) price of $26.92 per MWh, as reported to FERC.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Arizona Public Service Company
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
46.7K MWh
Net Discharge
506.9K MWh
Annual Net Energy
16.5%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial DataBeta
Source: FERC Electric Quarterly ReportsHIGH
$26.9/MWh
PPA Price
BOCA bn, LLC
Contract Seller
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
General
Coconino National Forest : Trail - Boynton Canyon Trail No. 47
Boynton Canyon is one of the most scenic of the box canyons that make Arizona Red Rock Country so famous. This particular trail enjoys the...
US Forest Service (.gov)·8 months ago
Grid·capacity addition
Largest solar project in Southwest Public Power Agency territory is activated
The 300 MW Box Canyon solar project was developed by BrightNight and Cordelio Power.
BrightNight (developer)Cordelio Power (developer)
pv magazine USA·9 months ago
Grid·capacity addition
BrightNight and Cordelio Power Announce Commercial Operation of 300 MW Box Canyon Solar Project in Arizona
PHOENIX, June 24, 2025 /PRNewswire/ -- BrightNight, the next-generation power and digital infrastructure company built to deliver clean and...
BrightNight (developer)Cordelio Power (developer)
PR Newswire·9 months ago
Grid·outage
Grand Canyon National Park Provides Update on North Rim Power Outage and Lodge Services
As of Monday, June 9, 2025, all North Rim visitor services are operating, including North Rim Lodge rooms, reservations, retail, and food and beverage services.
NPS.gov·9 months ago
Last updated 2026-03-14
View all 10 articles