When Lightning Strikes — Lene Kaaberbol

Will has a crush on Danny Nova, a new boy in school. He's cute, nice, and the best dancer! But there is something strange about Danny.... Soon after he comes to town, mysterious power outages start happening. Will isn't in the dark for long, as she and her four friends start off on a dangerous journey to solve the mystery. Will needs to use her special powers over energy to prove just how strong her heart truly is.