Steam turbine
118 TJ
Solar panel
25.7 TJ
Steam engine
12.7 TJ
Lightning collector
5.56 TJ
Accumulator
2.85 TJ
Fusion generator
1.56 TJ
Solar panel (Rare)
435 GJ
Lightning rod
378 GJ
Accumulator (Rare)
353 GJ
Accumulator (Epic)
29.4 GJ
Solar panel (Epic)
21.4 GJ