Steam turbine
297 TJ
Steam engine
14.2 TJ
Fusion generator
9.04 TJ
Lightning collector
5.54 TJ
Accumulator
5.36 TJ
Solar panel
3.88 TJ
Lightning rod
3.15 TJ
Solar panel (Uncommon)
1.20 TJ
Solar panel (Rare)
416 GJ
Solar panel (Epic)
109 GJ