The US Department of Energy will loan Constellation Energy $1 billion to reopen Three Mile Island, covering nearly all of the $1.6 billion estimated startup cost over a 30-year term. Constellation’s stock price rose 5.6% after the announcement, tying nuclear power to the demand for data center electricity for Microsoft.

Constellation announced the DOE loan of $1 billion, under the Energy Dominance Financing Program, to help reopen Three Mile Island. The loan, with a variable interest rate around 5%, will cover all but $600 million of the estimated $1.6 billion cost to restart Unit 1, expediting the process.

While Constellation Energy stock may not be a buy at its current price, the news of the DOE loan is positive for the company, leading to a stock price increase. Consider the Motley Fool’s 10 best stocks to buy now, which does not include Constellation Energy, with historical returns outperforming the S&P 500.

Read more at Nasdaq: Why Constellation Energy Stock Just Popped