Replica Goldymarg sacrifices himself, taking out all the replica Repair Tools and replica Orbit Base. Orbit Base has a mass of 720,500 tons (720500000kg), and an operative weight of 982,200 tons (982200000kg), which will serve as our low end and our high end.
E = mc^2
= 720500000 X 299792458^2
= 6.47553106e25 joules
= 15.47689067877629121 petatons
E = mc^2
= 982200000 X 299792458^2
= 8.82757337e25 joules
= 21.098406716061187893 petatons
Final Results
Replica Goldymarg's sacrifice (low end) = >15.479 petatons
Replica Goldymarg's sacrifice (high end) = >21.098 petatons