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Jeffrey Guldner

Non-Executive Advisor, Pinnacle West

Search every verified Jeffrey Guldner interview, podcast appearance, and on-the-record quote — each transcript cross-checked by AI and human review to confirm speaker identity. Jeffrey Guldner, former President of Arizona Public Service and CEO of Pinnacle West Capital Corporation, participated in an Energy Forward fireside chat on September 4, 2026, with Gary Dirks, discussing energy demand, AI, and data center growth in Arizona. During the conversation, Guldner highlighted the increasing importance of battery storage for managing a more complex grid, noting Arizona's strong solar resource and the need to shift energy from midday to evening peak hours. He also described supply chain constraints for new power generation equipment, stating that ordering a combustion turbine from a major manufacturer currently involves a wait of over six years, with similar delays affecting transformers, breakers, and other balance-of-plant equipment. Guldner also addressed the scale of recent electricity demand growth, comparing it to the historical development of Arizona Public Service, which he said took from 1886 to 2026 to reach an 8,600-megawatt peak system. He noted that current growth projections add another 4,000 megawatts, largely from manufacturing and data centers. Regarding tax incentives for data centers, Guldner said that while such incentives might influence location choices, he believed the economics for most data centers would not materially change based on them.

Recent appearances

  • Fireside Chat with Jeff Guldner: Navigating energy, AI and data center growth

    September 04, 2026 · 📺 ASU Energy Forward

    As electricity demand rises across Arizona, data center development is becoming a larger part of the conversation about our state’s future. In this Energy Forward fireside chat, Gary Dirks sits down with Jeff Guldner, former President of Arizona Public Service and CEO of Pinnacle West Capital Corporation, to discuss what this growth means for the grid, the economy, and long-term planning. Jeff brings decades of energy sector leadership to a timely conversation about how Arizona can meet new demand while staying focused on reliability, sustainability, and responsible growth.

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  • Power Sharing: Local, Regional, and National Grids

    January 05, 2024 · 📺 Ten Across

    What is the connectivity between local, regional, and national grids? “There is no single entity in charge of organizing the grid, the way the federal government oversaw the development of the Interstate Highway System in the 1950s and ‘60s.” Source: New York Times. This will be a challenge given the need, by some estimates, to expand the nation's electric grid by 60% by 2030. These calculations reflect increased demand, the incorporation of alternative fuels, and fortification against growing vulnerabilities due to a changing climate. The electrification of our transportation and building…

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  • APS's Jeff Guldner on COVID-19 Load Shifting, Scenario Modeling & the Path to a Carbon-free 2050

    May 28, 2020 · 📺 Smart Electric Power Alliance

    Jeff Guldner, CEO of Pinnacle West Corporation, the parent company of Arizona Public Service (APS), shares the challenges of COVID-19 -- unpredictable load shifting, price pressures and regulatory challenges -- and how APS uses scenario modeling to predict the long-term impacts of these challenges on its path to carbon-free energy by 2050. This video is part of our SEPA TV utility CEO interview series, hosted by SEPA President and CEO Julia Hamm. Arizona Public Service delivers affordable, clean and reliable energy to nearly 1.3 million homes and businesses in 11 of Arizona’s 15 counties; as…

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The summary and quote tags on this profile are produced with AI assistance from verified, first-person interview transcripts, then checked by our team to confirm the speaker's identity and the accuracy of every quote. See how we verify →