Steam turbine
81.3 TJ
Steam engine
4.62 TJ
Lightning rod
2.43 TJ
Accumulator (Uncommon)
395 GJ
Accumulator (Rare)
345 GJ
Solar panel
223 GJ
Accumulator (Epic)
39.6 GJ
Accumulator
25.3 GJ
Fusion generator
2.50 GJ