Steam turbine
28.2 TJ
Solar panel
10.1 TJ
Accumulator
2.09 TJ
Lightning collector
1.82 TJ
Lightning rod
1.36 TJ
Steam engine
396 GJ
Accumulator (Uncommon)
84.6 GJ
Accumulator (Rare)
1.98 GJ
Accumulator (Epic)
86.9 MJ