Stacy Derstine

Stacy Derstine is vice president, customer service, and chief customer officer for Arizona Public Service (APS). Based in Phoenix, APS is the state’s largest power company, providing retail electricity service to nearly 1.2 million Arizona homes and businesses.

Stacy’s responsibilities include leadership of statewide customer service operations, marketing and customer programs including energy efficiency and renewables. Prior to her current position, Stacy served as general manager of regulatory and compliance where she was responsible for regulatory affairs related to policy development, rates, pricing and revenue requirements.

Stacy has worked for APS for over 20 years and has served in a variety of customer service and regulatory roles. Stacy also previously worked for APS Energy Services, where she was responsible for government and regulatory affairs in California, Texas, Nevada and Oregon.

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