Fusion startups are inking defense-related deals, reigniting the relationship between fusion and national security that might have gone dormant, but never completely disappeared.

Proxima Fusion said Wednesday it plans to build a €140 million ($162.6 million) factory to produce fusion-grade high-temperature superconducting (HTS) tape, which will provide the startup with key component to its reactor design.

The four-year agreement will cover rice farms across three Indian states, reaching about 100,000 hectares at peak delivery.

Massachusetts has become the third state in as many months to slap new restrictions on data center development.

Fusionality is developing control systems and simulation environments to help fusion power startups move faster.

Google said it would bring an Iowa nuclear power plant back from the dead. Now the plant's owner is getting a $1.9 billion loan from the U.S. Energy Department.

The grid has been straining under the weight of new AI data centers, and that has utilities courting fusion startups.

The Builders Stage is returning to TechCrunch Disrupt, bringing together founders, startup operators, and investors for practical conversations on what it takes to build and scale.

Fervo's deal with Google could expand to 1 gigawatt of geothermal power, enough to supply a very large AI data center in Utah.

Newlight has raised a $9 million seed round and completed an 8,500-nautical-mile test run from Singapore to Ghana.