Secrets and Guys - S1-E14

Question: Why does Leo have powers in this episode that we never see him use again? Levitating for example, reheating a cup of coffee. The refilling the water could be explained by his normal white-lighter powers. I think it's probably because the writers changed their minds about what exactly would constitute white-lighter powers. However how is this explained, in canon? Leo as far as I remember doesn't levitate again, neither does Paige or Chris. It isn't as far as I remember established as a white-lighter power.

Chosen answer: He does levitate in the 4th season finale, when Piper allows him to do so (despite her not wanting to jinx their new peace by doing magic) in order to properly place a framed picture.