Inertia is the commercial fusion energy company. Inertia leads laser-based fusion, the only category of fusion energy based on proven physics. To create a world with limitless clean energy, the company is building big. The most powerful laser system ever created for fusion energy. Mass-manufactured targets for affordable fusion fuel. And power plants that can deliver fusion energy at grid-scale.

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Funding Events

Date	Amount	Type	Investors	Valuation
02/13/26	$450,000,000	Series A	Bessemer Venture Partners Google Ventures Modern Capital Threshold Ventures	undisclosed