PNW vs LW Comparison

Pinnacle West is a holding company whose principal subsidiary is Arizona Public Service, a vertically integrated electric utility serving approximately 1.4 million customers across a 35,000-square-mile territory in central Arizona, including the Phoenix area. APS owns or leases 6.5 gigawatts of power generation capacity, including a 29% ownership stake in one of the largest nuclear plants in the US, Palo Verde. Half of the electricity that APS supplies to customers comes from clean energy sources, including nuclear.

Lamb Weston is North America's largest and the world's second-largest producer of branded and private-label frozen potato products, both by volume and value. The company's portfolio is anchored by french fries, but it also sells sweet potato fries, tater tots, diced potatoes, mashed potatoes, hash browns, and chips. Roughly two thirds of revenue comes from its home market of North America, with none of the other 100 countries the company sells into representing a significant share. McDonald's is Lamb Weston's single-largest customer at 15% of fiscal 2025 sales, with no other company representing more than 10%. Lamb Weston became an independent company in 2016 when it was spun off from Conagra.