Steam turbine
945 TJ
Lightning collector
126 TJ
Accumulator
33.8 TJ
Steam engine
20.5 TJ
Accumulator (Uncommon)
17.0 TJ
Steam turbine (Epic)
14.4 TJ
Accumulator (Rare)
14.3 TJ
Solar panel
10.1 TJ
Accumulator (Epic)
9.73 TJ
Solar panel (Epic)
5.64 TJ
Lightning rod
3.83 TJ