I really liked the look of the sine wave puzzle and the general feel you were going for with the main screen elements. I think a little more feedback would go a long way. I do like the progression loop of the building and siphoning.
One thing that I didn't get, and maybe my fault for missing it in the tutorial - When the battery has a red connection, what does that mean? Is that just indicating that there's not enough supply for all the connections?
Sadly I was the downfall of this Glorious Nation