PNW · 8-K · 20261106PR000055

Data Center / Load Growth

PINNACLE WEST CAPITAL CORP · 2026-11-06 · Importance 75 · Surprise 64

APS projects retail energy demand to increase by approximately 42,000 GWh by 2041, more than doubling current customer needs. Manufacturing and data centers are expected to drive most incremental load growth, with the 2041 forecast showing data centers as a substantial portion of demand. Committed load rose to 5.8 GW; more than 84% is not yet served, and the data-center portion spans more than 15 sites across APS’s service territory. The broader committed-load base is diversified across manufacturing, data centers, residential customers, and other large industrial customers, including mining.

Key facts

• Pinnacle West’s committed load increased to 5.8 GW; more than 84% is yet to be served, requiring substantial generation and transmission buildout. source
• Pinnacle West’s committed load totals 5.8 GW, including approximately 0.9 GW currently served and approximately 4.9 GW not yet served. source
• Pinnacle West stated that large C&I customers account for 7%-9% of its 8%-10% long-term weather-normalized sales growth guidance through 2030. source
• Pinnacle West’s data center load growth includes more than 15 different data center sites across its service territory. source
• Pinnacle West expects manufacturing and data centers to drive the majority of incremental load growth. source