Steam turbine
61.6 TJ
Steam engine
10.4 TJ
Solar panel
7.79 TJ
Lightning rod
7.07 TJ
Accumulator
4.60 TJ
Solar panel (Rare)
863 GJ
Solar panel (Epic)
674 GJ
Fusion generator
631 GJ
Accumulator (Rare)
22.3 GJ
Accumulator (Epic)
17.5 GJ