Solar panel
311 TJ
Steam engine
123 TJ
Accumulator
28.5 TJ
Lightning collector (Uncommon)
17.0 TJ
Lightning collector (Rare)
13.7 TJ
Steam turbine
7.06 TJ
Lightning rod
4.50 TJ
Fusion generator (Rare)
449 GJ
Lightning rod (Rare)
398 GJ
Lightning rod (Uncommon)
124 GJ