Steam turbine
30.5 TJ
Solar panel
3.37 TJ
Steam engine
3.09 TJ
Lightning collector
2.57 TJ
Fusion generator
845 GJ
Accumulator (Uncommon)
587 GJ
Accumulator
412 GJ
Accumulator (Rare)
112 GJ
Lightning rod
100 GJ
Accumulator (Epic)
13.9 GJ