Pinnacle West Capital (PNW) Lands 25 Year Power Deal After Record Q3

• Pinnacle West Capital (NYSE:PNW) reported record Q3 2026 results on 5 November, driven by all time peak energy demand in Arizona.
• The utility signed a 25 year power supply agreement with TSMC, aligning long term electricity needs with the chipmaker's Arizona expansion.
• Management raised its long term retail sales growth guidance and filed a new Integrated Resource Plan that targets renewables and reliability, with a stated potential for about US$1b in savings from extended legacy plant operations.
• The record Q3 results and new TSMC contract sit alongside broader shifts in Pinnacle West's growth and planning that our research tracks. Take a look at 2 warning signs (1 major) we have identified for Pinnacle West Capital.

To put Pinnacle West's latest moves in context, compare them with other regulated power and grid focused stocks through 41 power grid technology and infrastructure stocks.

Pinnacle West Capital runs a regulated electric utility in Arizona through its subsidiary, so record demand and a 25 year industrial contract plug directly into long term decisions about which plants to keep running and how quickly to build out new renewable capacity.

4 things going right for Pinnacle West Capital that this headline doesn't cover.

How strong were Pinnacle West Capital’s latest earnings in hard numbers?

The utility reported Q3 2026 sales of US$1,972.75m and net income of US$434.24m, compared with US$1,820.74m and US$413.21m a year earlier. For the first nine months of 2026, sales reached US$4,578.09m and net profit was US$645.73m, with diluted EPS from continuing operations at US$5.20.

What does the TSMC deal and new guidance say about Pinnacle West’s growth mix?

The 25 year power contract with TSMC anchors a very large industrial load, in addition to Arizona’s broader customer and usage growth. Management has lifted 2026 earnings guidance to a range of US$5.05 to US$5.25 per diluted share, so investors can now judge future quarters against a higher earnings bar tied directly to that demand outlook.

Does this change the Pinnacle West Capital Narrative that focuses on data center and large load upside?

The new record peak demand, raised long term retail sales growth guidance to 8% to 10% annually through 2030, and TSMC’s more than 1 GW of demand all support the Narrative’s large load catalyst. This includes over 4,500 MW of committed projects and a US$7.95b capital plan that depends on constructive regulation.

See how these catalysts shape Pinnacle West Capital's path to a $105 fair value.

What is the single development to track next after this Pinnacle West update?

The key signpost is how the Arizona Corporation Commission responds to the new Integrated Resource Plan, especially decisions around extending Four Corners to 2038 and approving new gas and transmission projects. Regulatory rulings on recovery of that spending will indicate whether the growth, capital plan and earnings guidance can move in step.

One question about Pinnacle West Capital that all this still leaves open

All of this activity around Pinnacle West Capital sits on top of a separate story in the analyst models, where the estimated destination a few years out looks very different from what today’s headlines suggest. See where analysts expect Pinnacle West Capital to be in a few years.

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