Yukon Substation is a 500kV substation located in Yukon, Pennsylvania, US.

The Yukon Substation project’s construction has begun in 2020. The works are expected to be commissioned in 2021.


Yukon Substation project, which is an upgrade substation, will be operated by Arizona Public Service.

The designed voltage level of the substation is 500/138kV and the operating voltage level is 500/138kV.

The step-in voltage of the project is 500kV and the step-out voltage is 138kV.

Yukon Substation project development status

The project is expected to be commissioned in 2021. Approximately $64.5m was financed by the authorities to undertake the construction works of the project.

About Arizona Public Service

Arizona Public Service Co (APS), a subsidiary of Pinnacle West Capital Corp, is an energy utility. It generates, procures, transmits and distributes electricity. The company generates electricity using coal, nuclear, gas, oil, solar, wind, geothermal and biomass. Through demand response, day-ahead call option, exchange, tolling, purchase and other agreements, APS procures electricity from third parties and also owns interests in renewable energy projects, and transmission facilities that are in under development and construction phase. The company serves customers in Arizona. APS is headquartered in Phoenix, Arizona, the US.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.