Steam turbine
148 TJ
Steam engine
38.5 TJ
Solar panel
30.5 TJ
Lightning rod
13.0 TJ
Accumulator
10.8 TJ
Lightning collector
4.70 TJ
Accumulator (Uncommon)
2.48 TJ
Lightning collector (Uncommon)
2.29 TJ
Fusion generator
2.07 TJ