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Dover hydrogen and heavy water production plant

Aternium, Dover, Kent County, Delaware

Dover hydrogen and heavy water production plant in Dover, Delaware is Aternium’s plant for high-purity hydrogen and heavy water (deuterium oxide). Status: announced as of October 30, 2026. Aternium announced $380 million and 50 jobs. Primary source: news.delaware.gov, checked November 12, 2026.

Status
Announced
Announced investment
$380 million
Announced jobs
50
Industry
Chemicals
Sheet
DE-01
Revised
November 12, 2026

Status timeline

  1. Announcednews.delaware.gov

Filled dots are confirmed by a company, state, SEC or federal source. Dashed dots come from news reports only. Investment and job figures are as announced, not achieved.

Plant facts

CompanyAternium
PlantDover hydrogen and heavy water production plant
LocationDover, Kent County, Delaware
IndustryChemicals
ProductHigh-purity hydrogen and heavy water (deuterium oxide)
Announced investment$380 millionProject in planning phase; construction expected to start late 2027.
Announced jobs50
Last checkedNovember 12, 2026

Sources

  1. Governor Meyer announces $380M advanced manufacturing, clean energy project joins Jobsfirst permitting accelerator (state release, news.delaware.gov, checked November 12, 2026)

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