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  1. Market Data
August 31, 2021

Delaney – Sun Valley Line, US

By Carmen

Delaney – Sun Valley Line is a 500kV overhead line with a length of 45km from Delaney, Arizona, US, to Sun Valley, Arizona, US.

Construction works on the Delaney – Sun Valley Line started in 2015 and the project was commissioned in 2016.


The Delaney – Sun Valley Line, which is an overhead line, is being operated by Arizona Public Service. The Delaney – Sun Valley Line is a new line. The line carries alternating current (AC).

Delaney – Sun Valley Line project development status

The development of the Delaney – Sun Valley Line project was approved by Arizona Corporation Commission in 2015 and the project works were completed in 2016.

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.

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