Steam turbine
8.73 TJ
Steam engine
1.69 TJ
Lightning rod
390 GJ
Solar panel
241 GJ
Steam turbine (Uncommon)
227 GJ
Accumulator
148 GJ
Solar panel (Uncommon)
17.4 GJ
Accumulator (Uncommon)
6.52 GJ
Accumulator (Rare)
3.31 GJ