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Inertia Enterprises secures Series A funding to advance commercial fusion energy, led by Bessemer. This investment marks a significant opportunity in addressing future energy demands.

PRIVATEJul 13, 2026•about 1 month ago

Round Type

Series A

LivermoreEnergyRenewable Energy

Investors

Bessemer

Description

Inertia Enterprises, a commercial fusion energy company, is leveraging a breakthrough from the National Ignition Facility to drive energy innovation. Bessemer leads a Series A funding round to support their mission of transforming fusion energy into a viable source for the grid. This investment reflects a commitment to addressing the surging demand for sustainable energy solutions. Partners include various companies focusing on bold energy capture technologies.

Company Information

Company

Inertia

Location

Livermore, California, United States

About

Inertia is the commercial fusion energy company. We lead laser-based fusion, the only category of fusion energy based on proven physics. To create a world with limitless clean energy, we’re 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. Inertia is creating star power for life on Earth.

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Funding Insights

Based on industry data
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months
Monthly burn rate benchmark
47% of Series A startups spend $400k or more per month on operations
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers

Inertia raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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