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Unisource Energy

Aug 7, 2025

APS joins gas pipeline expansion, walks back clean energy promises

Key Points: Arizona Public Service to join other utilities in a natural gas pipeline expansion project Its parent company, Pinnacle West, will adjust its promise to be carbon-free by 2050 […]

Oct 30, 2018

Campaigns spend nearly $54 million on renewable energy ballot measure

The state's largest electric company has now poured more than $30 million into its bid to convince Arizonans not to force it and other utilities to use more renewable resources.

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