Steam turbine
513 TJ
Solar panel
120 TJ
Steam engine
30.4 TJ
Lightning collector
24.3 TJ
Accumulator
19.6 TJ
Lightning rod
10.2 TJ
Fusion generator
9.33 TJ
Solar panel (Uncommon)
1.93 TJ
Solar panel (Rare)
801 GJ
Solar panel (Epic)
73.5 GJ