# Nuclear Power - Stage 4 (technology) internal name `nuclear-power-mk04` · tier 10 (Space science pack, [tier 10](https://factorio.kalzumeus.com/tier/10.md)) HTML page: https://factorio.kalzumeus.com/tech/nuclear-power-mk04/ ## Cost 4000 units of (1 × [Space science pack](https://factorio.kalzumeus.com/item/space-science-pack.md), 2 × [Utility science pack](https://factorio.kalzumeus.com/item/utility-science-pack.md), 3 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md), 6 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 10 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 20 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 30 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 60 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 100 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 200 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 30 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 1200 s each. ## Requires (3) - [Non Renewables - Stage 4](https://factorio.kalzumeus.com/tech/nonrenewable-mk04.md) - [Uranium processing - Stage 4](https://factorio.kalzumeus.com/tech/uranium-mk04.md) - [Wind Power - Stage 4](https://factorio.kalzumeus.com/tech/wind-mk04.md) ## Leads to (2) - [Pyrrhic victory](https://factorio.kalzumeus.com/tech/pyrrhic.md) - [Schrödinger antelope upgrade](https://factorio.kalzumeus.com/tech/schrodinger-antelope-upgrade.md) ## Unlocks (6 recipes) ### Uranium 236 (`fuel-cell-mk04-dissolve`) - 15 s · tier 10 - Ingredients: 10 × [Used up uranium fuel cell MK 04](https://factorio.kalzumeus.com/item/used-up-uranium-fuel-cell-mk04.md), 15 × [Sodium hydroxide](https://factorio.kalzumeus.com/item/sodium-hydroxide.md), 250 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 250 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md) - Results: 30 × [Uranium 236](https://factorio.kalzumeus.com/item/u-236.md) - Made in: Mixer MK 01, Mixer MK 02, Mixer MK 03, Mixer MK 04 - Unlocked by: [Nuclear Power - Stage 4](https://factorio.kalzumeus.com/tech/nuclear-power-mk04.md) ### Neutron absorber MK 04 (`neutron-absorber-mk04`) - 5 s · tier 10 - Ingredients: 1 × [Neutron absorber MK 03](https://factorio.kalzumeus.com/item/neutron-absorber-mk03.md), 10 × [Intelligent unit](https://factorio.kalzumeus.com/item/intelligent-unit.md), 50 × [Low density structure](https://factorio.kalzumeus.com/item/low-density-structure.md), 10 × [Nano mesh](https://factorio.kalzumeus.com/item/nano-mesh.md), 10 × [Cooling system](https://factorio.kalzumeus.com/item/cooling-system.md), 100 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 10 × [Divertor](https://factorio.kalzumeus.com/item/divertor.md), 4 × [Hydraulic systems MK02](https://factorio.kalzumeus.com/item/hydraulic-system-mk02.md), 1 × [Utility Box MK04](https://factorio.kalzumeus.com/item/utility-box-mk04.md), 1 × [Electronics MK04](https://factorio.kalzumeus.com/item/electronics-mk04.md), 10 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 10 × [Control unit](https://factorio.kalzumeus.com/item/control-unit.md), 30 × [Titanium nitride](https://factorio.kalzumeus.com/item/ti-n.md), 1 × [Mechanical Parts 04](https://factorio.kalzumeus.com/item/mechanical-parts-04.md), 6 × [Superconductor servomechanisms](https://factorio.kalzumeus.com/item/superconductor-servomechanims.md), 4 × [Quantum vortex storage system](https://factorio.kalzumeus.com/item/quantum-vortex-storage-system.md) - Results: 1 × [Neutron absorber MK 04](https://factorio.kalzumeus.com/item/neutron-absorber-mk04.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: [Nuclear Power - Stage 4](https://factorio.kalzumeus.com/tech/nuclear-power-mk04.md) ### Neutron moderator MK 04 (`neutron-moderator-mk04`) - 5 s · tier 10 - Ingredients: 1 × [Neutron moderator MK 03](https://factorio.kalzumeus.com/item/neutron-moderator-mk03.md), 20 × [Intelligent unit](https://factorio.kalzumeus.com/item/intelligent-unit.md), 5 × [Optical parametric oscillator](https://factorio.kalzumeus.com/item/parametric-oscilator.md), 50 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md), 80 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 100 × [Carbon nanotubes](https://factorio.kalzumeus.com/item/carbon-nanotube.md), 4 × [Superconducting Claw-pole Engine](https://factorio.kalzumeus.com/item/sc-engine.md), 100 × [Clean Glass Sheet](https://factorio.kalzumeus.com/item/clean-glass-sheet.md), 1 × [Utility Box MK04](https://factorio.kalzumeus.com/item/utility-box-mk04.md), 10 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 2 × [Fire Extinguisher System](https://factorio.kalzumeus.com/item/fes.md), 1 × [Heating System](https://factorio.kalzumeus.com/item/heating-system.md), 3 × [Cooling system](https://factorio.kalzumeus.com/item/cooling-system.md), 1 × [Mechanical Parts 04](https://factorio.kalzumeus.com/item/mechanical-parts-04.md), 5 × [Superconductor servomechanisms](https://factorio.kalzumeus.com/item/superconductor-servomechanims.md), 2 × [Nitrogen vacancy center](https://factorio.kalzumeus.com/item/nv-center.md) - Results: 1 × [Neutron moderator MK 04](https://factorio.kalzumeus.com/item/neutron-moderator-mk04.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: [Nuclear Power - Stage 4](https://factorio.kalzumeus.com/tech/nuclear-power-mk04.md) ### Nuclear reactor MK 04 (`nuclear-reactor-mk04`) - 5 s · tier 10 - Ingredients: 1 × [Nuclear reactor MK 03](https://factorio.kalzumeus.com/item/nuclear-reactor-mk03.md), 200 × [Intelligent unit](https://factorio.kalzumeus.com/item/intelligent-unit.md), 1000 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 30 × [Superconducting Claw-pole Engine](https://factorio.kalzumeus.com/item/sc-engine.md), 500 × [Phosphate glass](https://factorio.kalzumeus.com/item/phosphate-glass.md), 100 × [Silver zinc alloy](https://factorio.kalzumeus.com/item/agzn-alloy.md), 10 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 40 × [Metallic glass](https://factorio.kalzumeus.com/item/metallic-glass.md), 100 × [Carbon aerogel](https://factorio.kalzumeus.com/item/carbon-aerogel.md), 500 × [Carbon Fiber](https://factorio.kalzumeus.com/item/cf.md), 10 × [Mechanical Parts 04](https://factorio.kalzumeus.com/item/mechanical-parts-04.md), 20 × [Control unit](https://factorio.kalzumeus.com/item/control-unit.md), 10 × [Superconductor servomechanisms](https://factorio.kalzumeus.com/item/superconductor-servomechanims.md), 40 × [Harmonic absorber](https://factorio.kalzumeus.com/item/harmonic-absorber.md) - Results: 1 × [Nuclear reactor MK 04](https://factorio.kalzumeus.com/item/nuclear-reactor-mk04.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: [Nuclear Power - Stage 4](https://factorio.kalzumeus.com/tech/nuclear-power-mk04.md) ### Uranium 233 (`u232-u233`) - 5 s · tier 10 - Ingredients: 10 × [Uranium 232](https://factorio.kalzumeus.com/item/u-232.md), 20 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) - Results: 4.995 × [Uranium 233](https://factorio.kalzumeus.com/item/u-233.md) (99.9% chance of 5) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 4](https://factorio.kalzumeus.com/tech/nuclear-power-mk04.md) ### Uranium fuel cell MK 04 (`uranium-fuel-cell-mk04`) - 15 s · tier 10 - Ingredients: 5 × [Aluminium plate](https://factorio.kalzumeus.com/item/aluminium-plate.md), 10 × [Uranium 235](https://factorio.kalzumeus.com/item/u-235.md) - Results: 1 × [Uranium fuel cell MK 04](https://factorio.kalzumeus.com/item/uranium-fuel-cell-mk04.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: [Nuclear Power - Stage 4](https://factorio.kalzumeus.com/tech/nuclear-power-mk04.md)