Steam turbine
39.2 TJ
Solar panel
34.9 TJ
Lightning collector
9.08 TJ
Fusion generator
4.68 TJ
Accumulator
3.62 TJ
Lightning rod
3.02 TJ
Accumulator (Uncommon)
2.71 TJ
Steam engine
2.61 TJ
Accumulator (Rare)
772 GJ
Accumulator (Epic)
23.0 GJ