Steam turbine
60.3 TJ
Solar panel
13.5 TJ
Steam engine
11.5 TJ
Lightning rod
3.40 TJ
Accumulator
2.42 TJ
Lightning collector
270 GJ
Lightning collector (Uncommon)
118 GJ
Accumulator (Uncommon)
36.3 GJ
Solar panel (Epic)
4.30 GJ