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BrightNight, Cordelio Power Commence Commercial Operation of 300 MW Solar Project in Arizona
BrightNight, Cordelio Power, and the Southwest Public Power Agency (SPPA) have announced the commercial operation of the 300 MW Box Canyon Solar Project in Arizona. It is the first project in the 2.5 GW Arizona portfolio owned by BrightNight and Cordelio Power to reach commercial operation.
June 25, 2025. By Mrinmoy Dey

BrightNight, its joint venture partner Cordelio Power, and the Southwest Public Power Agency (SPPA), Inc., has announced the commercial operation of the 300 MW Box Canyon Solar Project in Arizona.
It is the first project in the 2.5 GW Arizona portfolio owned by BrightNight and Cordelio Power to reach commercial operation. BrightNight led the development of the Box Canyon project as part of its joint venture with Cordelio Power, the company said in a statement.
The Box Canyon Solar Project exemplifies BrightNight’s ability to deliver utility-scale clean energy solutions in high-demand regions while maximising community impact. According to an economic impact study by Elliott Pollack and Associates, the project generated USD 47 million in economic impact in Pinal County during the construction period and created more than 300 American jobs. During operations, the Box Canyon Solar Project is expected to generate an estimated USD 134 million in local economic benefits – through property taxes, wages, and more – bringing the total county-level economic contribution to over USD 180 million.
In addition, the project will generate more than USD 65 million in land lease payments to be allocated to the State of Arizona Land Trust over the lifetime of the project. The trust’s beneficiaries include K–12 and university education, state hospitals, and other critical public services. A portion of the project’s proceeds will be used to fund scholarships for 50 students to complete Central Arizona College’s electrician program over the next five years.
“SPPA is proud to supply its members with safe, clean, reliable, and affordable electricity from this first-of-its-kind project. BrightNight understood our long-term goals and delivered a solution that meets the needs of our members and their customers, while remaining on time and on budget,” said SPPA General Manager Dennis Delaney.
“We are delighted to partner with SPPA to help meet their power needs in a vibrant region undergoing rapid industrial growth and digital infrastructure expansion. At over 900,000 MWh of projected annual production, the Box Canyon Solar Project will provide reliable, clean and affordable energy for more than 40 years – generating local revenue, enabling continued economic growth in the region, and creating skilled American jobs,” said BrightNight CEO Martin Hermann.
It is the first project in the 2.5 GW Arizona portfolio owned by BrightNight and Cordelio Power to reach commercial operation. BrightNight led the development of the Box Canyon project as part of its joint venture with Cordelio Power, the company said in a statement.
The Box Canyon Solar Project exemplifies BrightNight’s ability to deliver utility-scale clean energy solutions in high-demand regions while maximising community impact. According to an economic impact study by Elliott Pollack and Associates, the project generated USD 47 million in economic impact in Pinal County during the construction period and created more than 300 American jobs. During operations, the Box Canyon Solar Project is expected to generate an estimated USD 134 million in local economic benefits – through property taxes, wages, and more – bringing the total county-level economic contribution to over USD 180 million.
In addition, the project will generate more than USD 65 million in land lease payments to be allocated to the State of Arizona Land Trust over the lifetime of the project. The trust’s beneficiaries include K–12 and university education, state hospitals, and other critical public services. A portion of the project’s proceeds will be used to fund scholarships for 50 students to complete Central Arizona College’s electrician program over the next five years.
“SPPA is proud to supply its members with safe, clean, reliable, and affordable electricity from this first-of-its-kind project. BrightNight understood our long-term goals and delivered a solution that meets the needs of our members and their customers, while remaining on time and on budget,” said SPPA General Manager Dennis Delaney.
“We are delighted to partner with SPPA to help meet their power needs in a vibrant region undergoing rapid industrial growth and digital infrastructure expansion. At over 900,000 MWh of projected annual production, the Box Canyon Solar Project will provide reliable, clean and affordable energy for more than 40 years – generating local revenue, enabling continued economic growth in the region, and creating skilled American jobs,” said BrightNight CEO Martin Hermann.
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