5 things to know about how nuclear fusion could power your home

3. It’ll cost a lot

To capitalize on last week’s announcement, scholars, trade association experts and venture capitalists said, the government and private sector must dedicate a lot more cash to make nuclear fusion a realistic solution.

Nearly $5 billion has been invested in the industry, trade association data shows, with about $2.8 billion coming in the past year.

Much of that has come from the private sector. The government, mostly through the Energy Department’s Fusion Energy Sciences program, is spending about $700 million a year to fund the science.