Sam Atlman-backed Exowatt wants to power AI data centers with billions of hot rocks

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Exowatt, a solar-thermal startup backed by Sam Altman, aims to power AI data centers with electricity generated from hot rocks at a low cost of one cent per kWh, but faces the challenge of scaling production to 1 million units per year.

Market Impact

Market impact analysis based on bullish sentiment with 74% confidence.

Sentiment
Bullish
AI Confidence
74%

Article Context

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The solar-thermal startup wants to deliver electricity for as little as one cent per kWh. But first it has to scale production to 1 million units per year.

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Original article published by TechCrunch on November 13, 2025.
Analysis and insights provided by AnalystMarkets AI.