Steam turbine
123 TJ
Solar panel
50.5 TJ
Steam engine
16.9 TJ
Lightning collector
15.2 TJ
Accumulator
12.6 TJ
Fusion generator
4.19 TJ
Lightning rod
2.22 TJ
Solar panel (Rare)
1.06 TJ
Solar panel (Uncommon)
462 GJ
Solar panel (Epic)
28.7 GJ