Updated at 6:30 p.m. ET
Secretary of Energy Rick Perry plans to leave his position at the end of the year, President Trump confirmed to reporters Thursday in Fort Worth, Texas. Trump praised Perry and said he already has a replacement in mind.
"Rick has done a fantastic job," Trump said. "But it was time."
Trump said that Perry's resignation didn't come as a surprise and that he has considered leaving for six months because "he's got some very big plans."