A government minister and an opposition leader are engaged in a battle of one-upmanship over electricity rates.

NDP Leader Brian Mason on Thursday challenged Energy Minister Ron Liepert’s claim that electricity rates will go down in May.

He asked Liepert to resign from his cabinet seat if he’s wrong.

“Will he put his job on the line if power rates don’t come back down 62% next month, will he resign as minister of energy?” Mason said.