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Deep Fission and Youngquist Partner to Build Boreholes for Reactors

By Drooid · Sep 22, 2026, 6:22 PM UTC · How we work

Summary

Story summary

U.S. Deep Fission and Youngquist Brothers have partnered to develop mile-deep, large-diameter boreholes for underground nuclear reactors.
Youngquist Brothers has drilled large-diameter boreholes deeper than 8,000 feet since 1971.
Deep Fission aims to commercialize its gravity nuclear reactor by 2027.
On September 3 they lowered a 30-inch canister into a 34-inch borehole in Fort Myers, Florida, reaching about 100 feet before retrieval.

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Story summary

U.S. Deep Fission and Youngquist Brothers have partnered to develop mile-deep, large-diameter boreholes for underground nuclear reactors.
Youngquist Brothers has drilled large-diameter boreholes deeper than 8,000 feet since 1971.
Deep Fission aims to commercialize its gravity nuclear reactor by 2027.
On September 3 they lowered a 30-inch canister into a 34-inch borehole in Fort Myers, Florida, reaching about 100 feet before retrieval.