The company, long focused on cars and trucks, plans to begin manufacturing large batteries used by utilities, data centers, other businesses and homeowners.
Many of the cancellations had been known for months, but the announcement underscored the drastic change in the energy landscape under President Trump.
The Energy Department canceled a partial loan guarantee to Sunnova Energy, a residential solar panel installer that was experimenting with a novel way to link home solar and battery systems.
Trump Media plans to merge with a company developing nuclear fusion technology, putting the presidentβs financial interests in competition with other energy companies over which his administration holds sway.