Great Game, if you continue to refine it, I would suggest working on the AI for the drones so some of them prioritize the base node to make a more aggressive loss condition. I found if I just set up 2-3 power nodes and clustered all the towers around it they all go to it and die pretty quick. I like the concept though, reminded me of my days playing Starcraft and laying out pylons! Good work

It seems like fun! 

Pros:  

The premise is enjoyable, connecting power to the nodes and increasing your defensible area.

Art style was unique

Music was pleasant to listen to

The power node mechanic was very interesting and worked well.

Cons:

The movement controls seemed a little laggy/jerky

No feedback on the tower health that I could tell

enemies might spawn a little quickly or be too powerful, or the defenses are too weak?