Energy source that's unappealing, first off, then endlessly powerful

Let's find possible answers to "Energy source that's unappealing, first off, then endlessly powerful" crossword clue. First of all, we will look for a few extra hints for this entry: Energy source that's unappealing, first off, then endlessly powerful. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.