Steam turbine
213 TJ
Steam engine
11.6 TJ
Solar panel
8.06 TJ
Lightning rod
6.30 TJ
Lightning collector
3.86 TJ
Accumulator
3.70 TJ
Solar panel (Rare)
775 GJ
Solar panel (Epic)
309 GJ
Fusion generator
258 GJ
Accumulator (Rare)
7.38 GJ
Accumulator (Epic)
1.75 GJ