Electricity Elements | After Effects by SweetsBox on CGguy
https://elements.envato.com/electricity-elements-after-effects-SHYJTKA
Free 
Cartoon Energy Elements | After Effects by MisterFlashAnimation on CGguy
https://elements.envato.com/cartoon-energy-elements-after-effects-7LSUQF8
Free 
Electric Elements | After Effects by MisterFlashAnimation on CGguy
https://elements.envato.com/electric-elements-after-effects-V9JR2ZS
Free