Steam turbine
347 TJ
Steam engine
20.9 TJ
Solar panel
13.4 TJ
Accumulator
13.3 TJ
Lightning rod
12.9 TJ
Lightning collector
7.31 TJ
Fusion generator
397 GJ
Accumulator (Uncommon)
346 GJ
Steam engine (Uncommon)
302 GJ
Steam engine (Rare)
57.1 GJ