Steam turbine
42.5 TJ
Solar panel
26.6 TJ
Lightning collector
6.43 TJ
Accumulator
2.89 TJ
Accumulator (Uncommon)
2.49 TJ
Steam engine
2.28 TJ
Lightning collector (Uncommon)
1.60 TJ
Lightning rod
820 GJ
Accumulator (Rare)
666 GJ
Fusion generator
468 GJ