Radiant is building a portable nuclear microreactor, an eco-friendly alternative to diesel generators. Its Kaleidos 1MW microreactor is designed to be the 1st portable, zero-emissions power source, operating anywhere. It aims to test the reactor by  mid-2026 with initial customer deployments beginning in 2028. Marquee investors include DCVC, Align Ventures, Alumni Ventures, Ark Ventures, and Crossbeam Venture Partners, among others.

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‍Disclaimer: Radiant is a MVP portfolio company