Tucson Electric Power, Arizona Public Service and Salt River Project jointly announced a proposal Wednesday that could have a ...

TSMC's Arizona Fab 21 has begun mass production of 4nm chips, targeting 30,000 wafers monthly by mid-year. Expansion phases will support 2nm tech by 2027. Meanwhile, TSMC eyes Texas for advanced ...

Arizona's three largest electric utilities will jointly explore expanded nuclear-power options. A new plant here could be ...

TSMC is gearing up to hold its first-ever board meeting in the US on 11, 2025. The board will convene to announce senior ...