# Fusion energy - Stage 2 (technology) internal name `fusion-mk02` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md)) HTML page: https://factorio.kalzumeus.com/tech/fusion-mk02/ ## Cost 3300 units of (1 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 2 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 3 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 6 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 10 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 20 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 30 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 6 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 300 s each. ## Requires (1) - [Machine Components - Stage 4](https://factorio.kalzumeus.com/tech/machine-components-mk04.md) ## Leads to (2) - [Portable fusion reactor](https://factorio.kalzumeus.com/tech/fission-reactor-equipment.md) - [Renewables - Stage 4](https://factorio.kalzumeus.com/tech/renewable-mk04.md) ## Unlocks (3 recipes) ### Fuse deuterium (`deuterium-fusion`) - 40 s · tier 7 - Ingredients: 100 × [Deuterium](https://factorio.kalzumeus.com/fluid/deuterium.md), 10000 × [Pressurized water](https://factorio.kalzumeus.com/fluid/pressured-water.md), 30 × [Liquid helium](https://factorio.kalzumeus.com/fluid/liquid-helium.md) - Results: 5000 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) (2000°C), 150 × [Helium](https://factorio.kalzumeus.com/fluid/helium.md), 50 × [Tritium](https://factorio.kalzumeus.com/fluid/tritium.md), 50 × [Helium-3](https://factorio.kalzumeus.com/fluid/helium3.md) - Made in: Fusion reactor, Aneutronic fusion reactor - Unlocked by: [Fusion energy - Stage 2](https://factorio.kalzumeus.com/tech/fusion-mk02.md) ### Magnetohydrodynamic (MHD) generator (`mdh`) - 5 s · tier 7 - Ingredients: 10 × [Fusion reactor](https://factorio.kalzumeus.com/item/fusion-reactor-mk01.md), 1000 × [Neodymium magnet](https://factorio.kalzumeus.com/item/re-magnet.md), 500 × [Intelligent unit](https://factorio.kalzumeus.com/item/intelligent-unit.md), 4000 × [Nanowires](https://factorio.kalzumeus.com/item/nano-wires.md), 500 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 1000 × [Super steel](https://factorio.kalzumeus.com/item/super-steel.md), 50 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 20 × [Superconducting Claw-pole Engine](https://factorio.kalzumeus.com/item/sc-engine.md), 200 × [Superconducting magnetic unit](https://factorio.kalzumeus.com/item/sc-unit.md), 4000 × [HTS Coil](https://factorio.kalzumeus.com/item/hts-coil.md), 50 × [Mechanical Parts 04](https://factorio.kalzumeus.com/item/mechanical-parts-04.md) - Results: 1 × [Magnetohydrodynamic (MHD) generator](https://factorio.kalzumeus.com/item/mdh.md) - Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion, (flying) - Unlocked by: [Fusion energy - Stage 2](https://factorio.kalzumeus.com/tech/fusion-mk02.md) ### Reinforced wall shield (`reinforced-wall-shield`) - 7 s · tier 7 · productivity modules allowed - Ingredients: 1 × [Wall shield](https://factorio.kalzumeus.com/item/wall-shield.md), 1 × [Industrial diamond](https://factorio.kalzumeus.com/item/diamond.md), 100 × [Refined syngas](https://factorio.kalzumeus.com/fluid/refsyngas.md) - Results: 1 × [Reinforced wall shield](https://factorio.kalzumeus.com/item/reinforced-wall-shield.md) - Made in: Advanced foundry MK 01, Advanced foundry MK 02, Advanced foundry MK 03, Advanced foundry MK 04 - Unlocked by: [Fusion energy - Stage 2](https://factorio.kalzumeus.com/tech/fusion-mk02.md)