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First

FIRST SOLAR

HQ: TEMPE, ARIZONA, USA CEO: MARK WIDMAR FOUNDED: 1999

Solar’ s proprietary thin‐film CdTe technology can excel in high temperatures and challenging desert environments, helping the US firm to stand out from much of the crowd.

The company has become a strategic pillar of US industrial policy, regularly announcing new domestic factories that tap into incentives designed to localise solar manufacturing.

First Solar is often the default choice for utility‐scale developers looking for reliable output and excellent ESG credentials in markets around the world. Mark Widmar, CEO, First Solar

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38 April 2026