APS expects sales to double by 2041, plans extending coal use to 2038

Utility Dive · Robert Walton · 2026-11-04 12:27 UTC

Arizona Public Service expects peak demand will grow about 3.4% annually over the next 15 years, driven by industry and data centers, the utility said in an integrated resource plan filed Friday with regulators.

Dive Brief:

- The largest electric utility in Arizona projects retail sales to double in the next 15 years and peak demand to grow 3.4% annually, after accounting for customer resources like demand-side management, driven by large-load industrial and data center customers.

- Arizona Public Service filed in an integrated resource plan with state regulators on Friday indicating it will extend the life of its Four Corners coal plant seven years past a planned 2031 retirement, in addition to bringing 2,000 MW of solar and 2,500 MW of storage resources online by 2029 and adding 4,000 MW of gas generation through 2036.

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