Two more tiers of solar panels and accumulators. First tier is 5x power, second tier 5x the first. Based on Advanced-Electric mod but toned down. Redid graphics and technology structure and costs.

UPDATE: 0.18
v1.2.2 = fixed entity icon graphics
v1.2.1 = version change for 0.18

UPDATE: 0.17
v1.1.0 = updated for changes with 0.17 patch -- standard and high res graphics based on new models -- added fast replace groups -- new Upgrade Planner will work and bots will replace with the next tier when marked for upgrade

UPDATE: 0.16
v1.0.2 = version correction, icon_size, and the new connection sprites for wiring