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Topic - Jeff Guldner

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Arizona Public Service chairman and CEO Jeff Guldner poses for a portrait Tuesday, Jan. 21, 2020, in Phoenix. Arizona's largest electric utility announced that it plans to switch to 100% carbon-neutral power generation by 2050, with a goal in 10 years of hitting the 65% mark. (AP Photo/Ross D. Franklin)

Arizona’s biggest utility vows all clean power by 2050

By BOB CHRISTIE - Associated Press

New utility chief: No spending on election of regulators

By JONATHAN J. COOPER - Associated Press

FILE - This Tuesday, April 16, 2019 file photo shows a view of the Arizona Public Service utility company in Phoenix. The new head of Arizona's largest electric utility has apologized for a faulty bill calculator that was supposed to help customers find the cheapest rate plan but instead steered 10,000 of them to higher-priced options. (AP Photo/Ross D. Franklin,File)

Arizona Public Service CEO apologizes for billing tool error

By JONATHAN J. COOPER - Associated Press

CEO of Arizona’s largest utility set to retire in November

Associated Press