Steam turbine
39.8 TJ
Solar panel
38.4 TJ
Lightning collector
15.6 TJ
Fusion generator
12.3 TJ
Solar panel (Uncommon)
10.4 TJ
Steam engine
8.51 TJ
Accumulator
6.81 TJ
Lightning rod
5.43 TJ
Accumulator (Uncommon)
2.75 TJ
Solar panel (Rare)
1.91 TJ
Accumulator (Rare)
389 GJ
Solar panel (Epic)
98.0 GJ
Solar panel (Legendary)
481 MJ