Steam turbine
86.9 TJ
Solar panel
14.0 TJ
Lightning collector (Uncommon)
1.67 TJ
Steam engine
1.10 TJ
Lightning rod
880 GJ
Accumulator
255 GJ
Accumulator (Uncommon)
250 GJ
Fusion generator
67.8 GJ
Accumulator (Epic)
2.26 GJ