Which produces more energy, nuclear fission or nuclear fusion? Chemistry Nuclear Chemistry Fission and Fusion 1 Answer Paul May 29, 2014 Nuclear Fusion creates more energy :) Answer link Related questions How can fission and fusion release energy? How can nuclear fission be used to generate electricity? How can nuclear reaction lead to a chain reaction? How can nuclear fission produce energy? How can nuclear fusion be controlled? How do fission reactions release energy? How do nuclear fusion and fission differ? How does nuclear fission work with uranium? How does nuclear fusion produce new elements? What causes nuclear fission? See all questions in Fission and Fusion Impact of this question 2205 views around the world You can reuse this answer Creative Commons License