Steam turbine
271 TJ
Solar panel
26.2 TJ
Lightning rod
15.5 TJ
Lightning collector
13.4 TJ
Accumulator
10.1 TJ
Accumulator (Uncommon)
7.34 TJ
Lightning collector (Uncommon)
3.15 TJ
Steam engine
2.27 TJ
Accumulator (Rare)
584 GJ
Accumulator (Epic)
2.52 GJ