Adds higher tiers of solar panels and accumulators. (Default production multiplier *10, *100, *1000. Configurable). Makes space efficient solar farms viable and reduces the hassle to place as many panels.
Assuming the code is identical to the original (With just increased numbers to generate more energy) it is definitely much more UPS friendly than traditional solar panels, simply because you need less entities to get the same result (1000 solar panels vs 1 ultimate).
Entities in the game (even the static ones that don't do anything) cost UPS, so this is simply a /1000 UPS cost at the highest tier.