Steam turbine
255 TJ
Solar panel
21.9 TJ
Fusion generator
7.84 TJ
Lightning collector
5.88 TJ
Steam engine
4.45 TJ
Accumulator
3.59 TJ
Lightning rod
2.42 TJ
Accumulator (Uncommon)
402 GJ
Accumulator (Rare)
22.3 GJ