Steam turbine
276 TJ
Steam engine
40.3 TJ
Solar panel
26.4 TJ
Lightning collector
12.5 TJ
Accumulator
8.22 TJ
Lightning rod
741 GJ
Solar panel (Rare)
487 GJ
Accumulator (Rare)
349 GJ
Accumulator (Epic)
22.5 GJ
Solar panel (Epic)
5.79 GJ