A proposed change to federal grant rules would codify many of the changes already made at the Department of Energy in Trump’s second term.
The loan will fund 2,800 miles of transmission infrastructure as the utility races to meet load growth.
The low-interest loans are aimed at supporting the Trump’s administration's push to build 10 large nuclear plants by 2030.
Billions of dollars bound for community-scale energy programs are still in limbo.
The settlement marks the second major court defeat for the Energy Department.
GAO said the agency put quadruple the money that Congress appropriated toward geothermal, while slashing funds for solar and wind.
Combining funds from the Defense Production Act and 2021's infrastructure law, the $700 million pot will fund new coal plants and an export terminal.
Nearly a decade after Hurricane Maria devastated the island, several billion in FEMA-funded projects remain unbuilt.