# Nuclear Power - Stage 2 (technology) internal name `nuclear-power-mk02` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md)) HTML page: https://factorio.kalzumeus.com/tech/nuclear-power-mk02/ ## Cost 1200 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 (3) - [Machine Components - Stage 3](https://factorio.kalzumeus.com/tech/machine-components-mk03.md) - [Non Renewables - Stage 2](https://factorio.kalzumeus.com/tech/nonrenewable-mk02.md) - [Production science pack](https://factorio.kalzumeus.com/tech/production-science-pack.md) ## Leads to (2) - [Bhoddos - Stage 3](https://factorio.kalzumeus.com/tech/bhoddos-mk03.md) - [Nuclear Power - Stage 3](https://factorio.kalzumeus.com/tech/nuclear-power-mk03.md) ## Unlocks (24 recipes) ### Plutonium 238 (`am-241-transmutation`) - 10 s · tier 7 - Ingredients: 10 × [Americium 241](https://factorio.kalzumeus.com/item/am-241.md) - Results: 10 × [Plutonium 238](https://factorio.kalzumeus.com/item/pu-238.md), 20 × [Helium](https://factorio.kalzumeus.com/fluid/helium.md) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Plutonium 239 (`am-243-transmutation`) - 10 s · tier 7 - Ingredients: 10 × [Americium 243](https://factorio.kalzumeus.com/item/am-243.md) - Results: 8 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md), 10 × [Helium](https://factorio.kalzumeus.com/fluid/helium.md) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Curium 250 (`am-243-transmutation-2`) - 10 s · tier 7 - Ingredients: 10 × [Americium 243](https://factorio.kalzumeus.com/item/am-243.md) - Results: 8 × [Curium 250](https://factorio.kalzumeus.com/item/cm-250.md), 200 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) (100°C) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Neutron (`cm-250-neutrons`) - 10 s · tier 7 - Ingredients: 20 × [Curium 250](https://factorio.kalzumeus.com/item/cm-250.md) - Results: 2000 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) (100°C) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Fuel rod MK 03 (`fuelrod-mk03`) - 4 s · tier 7 - Ingredients: 4 × [Uranium 235](https://factorio.kalzumeus.com/item/u-235.md), 1 × [Lead container](https://factorio.kalzumeus.com/item/lead-container.md) - Results: 1 × [Fuel rod MK 03](https://factorio.kalzumeus.com/item/fuelrod-mk03.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Fuel rod MK 05 (`fuelrod-mk05`) - 4 s · tier 7 - Ingredients: 2 × [Polonium 210](https://factorio.kalzumeus.com/item/po-210.md), 1 × [Coated container](https://factorio.kalzumeus.com/item/coated-container.md) - Results: 1 × [Fuel rod MK 05](https://factorio.kalzumeus.com/item/fuelrod-mk05.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Neutron absorber MK 02 (`neutron-absorber-mk02`) - 5 s · tier 7 - Ingredients: 1 × [Neutron absorber MK 01](https://factorio.kalzumeus.com/item/neutron-absorber-mk01.md), 25 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 100 × [Advanced small parts](https://factorio.kalzumeus.com/item/small-parts-02.md), 15 × [Iron nexelit antimony special alloy](https://factorio.kalzumeus.com/item/fenxsb-alloy.md), 50 × [Refined concrete](https://factorio.kalzumeus.com/item/refined-concrete.md), 100 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 50 × [Lead plate](https://factorio.kalzumeus.com/item/lead-plate.md), 30 × [Lithium Plate](https://factorio.kalzumeus.com/item/lithium.md), 20 × [EVA (Ethylene-vinyl acetate)](https://factorio.kalzumeus.com/item/eva.md), 3 × [Electronics MK02](https://factorio.kalzumeus.com/item/electronics-mk02.md), 1 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md), 10 × [Self assembly monolayer material](https://factorio.kalzumeus.com/item/self-assembly-monolayer.md) - Results: 1 × [Neutron absorber MK 02](https://factorio.kalzumeus.com/item/neutron-absorber-mk02.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Neutron moderator MK 02 (`neutron-moderator-mk02`) - 5 s · tier 7 - Ingredients: 1 × [Neutron moderator MK 01](https://factorio.kalzumeus.com/item/neutron-moderator-mk01.md), 35 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 50 × [Advanced small parts](https://factorio.kalzumeus.com/item/small-parts-02.md), 30 × [Refined concrete](https://factorio.kalzumeus.com/item/refined-concrete.md), 100 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 30 × [Lithium Plate](https://factorio.kalzumeus.com/item/lithium.md), 5 × [Engine unit](https://factorio.kalzumeus.com/item/engine-unit.md), 100 × [Phosphate glass](https://factorio.kalzumeus.com/item/phosphate-glass.md), 5 × [Pump](https://factorio.kalzumeus.com/item/pump.md), 15 × [Self assembly monolayer material](https://factorio.kalzumeus.com/item/self-assembly-monolayer.md), 1 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md), 50 × [Nexelit antimony Alloy](https://factorio.kalzumeus.com/item/nxsb-alloy.md) - Results: 1 × [Neutron moderator MK 02](https://factorio.kalzumeus.com/item/neutron-moderator-mk02.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Nuclear fuel (`nuclear-fuel`) - 90 s · tier 7 · productivity modules allowed - Ingredients: 1 × [Fuel rod MK 05](https://factorio.kalzumeus.com/item/fuelrod-mk05.md), 1 × [Rocket fuel](https://factorio.kalzumeus.com/item/rocket-fuel.md) - Results: 1 × [Nuclear fuel](https://factorio.kalzumeus.com/item/nuclear-fuel.md) - Made in: Centrifuge, Centrifuge MK 01, Centrifuge MK 02, Centrifuge MK 03, Centrifuge MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Nuclear reactor MK 02 (`nuclear-reactor-mk02`) - 5 s · tier 7 - Ingredients: 1 × [Nuclear reactor MK 01](https://factorio.kalzumeus.com/item/nuclear-reactor-mk01.md), 150 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 700 × [Advanced small parts](https://factorio.kalzumeus.com/item/small-parts-02.md), 500 × [Refined concrete](https://factorio.kalzumeus.com/item/refined-concrete.md), 1000 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 10 × [Engine unit](https://factorio.kalzumeus.com/item/engine-unit.md), 10 × [Pump](https://factorio.kalzumeus.com/item/pump.md), 50 × [Nexelit antimony Alloy](https://factorio.kalzumeus.com/item/nxsb-alloy.md), 10 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md), 50 × [Self assembly monolayer material](https://factorio.kalzumeus.com/item/self-assembly-monolayer.md) - Results: 1 × [Nuclear reactor MK 02](https://factorio.kalzumeus.com/item/nuclear-reactor-mk02.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Plutonium peroxide (`plutonium-oxidation-2`) - 15 s · tier 7 - Ingredients: 200 × [Antimony phosphate 3](https://factorio.kalzumeus.com/fluid/sb-phosphate-3.md), 8 × [Oxalatic acid](https://factorio.kalzumeus.com/item/oxalic-acid.md) - Results: 100 × [Plutonium peroxide](https://factorio.kalzumeus.com/fluid/plutonium-peroxide.md), 100 × [Purex raffinate 1](https://factorio.kalzumeus.com/fluid/purex-raffinate.md) - Made in: Mixer MK 01, Mixer MK 02, Mixer MK 03, Mixer MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Plutonium 239 (`pu-238-transmutation`) - 5 s · tier 7 - Ingredients: 10 × [Plutonium 238](https://factorio.kalzumeus.com/item/pu-238.md), 20 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) - Results: 8 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Plutonium 240 (`pu-239-transmutation`) - 5 s · tier 7 - Ingredients: 20 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md), 40 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) - Results: 20 × [Plutonium 240](https://factorio.kalzumeus.com/item/pu-240.md) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Plutonium 241 (`pu-240-transmutation`) - 10 s · tier 7 - Ingredients: 40 × [Plutonium 240](https://factorio.kalzumeus.com/item/pu-240.md), 80 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) - Results: 40 × [Plutonium 241](https://factorio.kalzumeus.com/item/pu-241.md) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Radioisotope thermoelectric generator (RTG) (`py-rtg`) - 5 s · tier 7 - Ingredients: 50 × [Super steel](https://factorio.kalzumeus.com/item/super-steel.md), 20 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md), 5 × [High tech circuit board](https://factorio.kalzumeus.com/item/processing-unit.md), 20 × [Iron niobium alloy](https://factorio.kalzumeus.com/item/nbfe-alloy.md), 25 × [Glass](https://factorio.kalzumeus.com/item/glass.md), 30 × [Graphene roll](https://factorio.kalzumeus.com/item/graphene-roll.md), 20 × [Nano Structured Material](https://factorio.kalzumeus.com/item/ns-material.md), 100 × [Special small parts](https://factorio.kalzumeus.com/item/small-parts-03.md), 1 × [Mechanical Parts 03](https://factorio.kalzumeus.com/item/mechanical-parts-03.md) - Results: 1 × [Radioisotope thermoelectric generator (RTG)](https://factorio.kalzumeus.com/item/py-rtg.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Polonium 210 (`u234-po210`) - 4 s · tier 7 - Ingredients: 10 × [Uranium 234](https://factorio.kalzumeus.com/item/u-234.md), 20 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) - Results: 9.99 × [Polonium 210](https://factorio.kalzumeus.com/item/po-210.md) (99.9% chance of 10), 20 × [Helium](https://factorio.kalzumeus.com/fluid/helium.md) - Made in: Neutron moderator MK 01, Neutron moderator MK 02, Neutron moderator MK 03, Neutron moderator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Uranium 237 (`u236-u237`) - 0.5 s · tier 7 - Ingredients: 10 × [Uranium 236](https://factorio.kalzumeus.com/item/u-236.md), 10 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) - Results: 9.99 × [Uranium 236](https://factorio.kalzumeus.com/item/u-236.md) (99.9% chance of 10), 0.1 × [Uranium 237](https://factorio.kalzumeus.com/item/u-237.md) (10% chance) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Plutonium 238 (`u237-pu238`) - 0.5 s · tier 7 - Ingredients: 10 × [Uranium 237](https://factorio.kalzumeus.com/item/u-237.md), 20 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) - Results: 9.99 × [Plutonium 238](https://factorio.kalzumeus.com/item/pu-238.md) (99.9% chance of 10), 0.001 × [Uranium 238](https://factorio.kalzumeus.com/item/u-238.md) (0.1% chance) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Uranium Oxide (`uranium`) - 1 s · tier 7 - Ingredients: 10 × [Purex U concentrate 3](https://factorio.kalzumeus.com/fluid/purex-u-concentrate-3.md) - Results: 1 × [Uranium Oxide](https://factorio.kalzumeus.com/item/uranium-oxide.md) - Made in: Evaporator MK 01, Evaporator MK 01 (Legacy), Evaporator MK 02, Evaporator MK 02 (Legacy), Evaporator MK 03, Evaporator MK 03 (Legacy), Evaporator MK 04, Evaporator MK 04 (Legacy) - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Uranium mine (`uranium-mine`) - 2 s · tier 7 - Ingredients: 2 × [Automated factory MK 01](https://factorio.kalzumeus.com/item/automated-factory-mk01.md), 50 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 50 × [Nexelit plate](https://factorio.kalzumeus.com/item/nexelit-plate.md), 50 × [Aramid fiber](https://factorio.kalzumeus.com/item/aramid.md), 30 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 5 × [Graphene roll](https://factorio.kalzumeus.com/item/graphene-roll.md), 20 × [Neuroprocessor](https://factorio.kalzumeus.com/item/neuroprocessor.md), 1 × [Fluid mining drill MK 03](https://factorio.kalzumeus.com/item/fluid-drill-mk03.md), 20 × [Self assembly monolayer material](https://factorio.kalzumeus.com/item/self-assembly-monolayer.md), 10 × [Cobalt chromium alloy](https://factorio.kalzumeus.com/item/crco-alloy.md), 1 × [Mechanical Parts 01](https://factorio.kalzumeus.com/item/mechanical-parts-01.md), 10 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md), 1 × [Uranium mining drill](https://factorio.kalzumeus.com/item/uranium-mining-drill.md) - Results: 1 × [Uranium mine](https://factorio.kalzumeus.com/item/uranium-mine.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Uranium 238 (`uranium-seperation`) - 20 s · tier 7 - Ingredients: 10 × [Uranium Oxide](https://factorio.kalzumeus.com/item/uranium-oxide.md) - Results: 0.1 × [Uranium 232](https://factorio.kalzumeus.com/item/u-232.md) (1% chance of 10), 0.1 × [Uranium 233](https://factorio.kalzumeus.com/item/u-233.md) (1% chance of 10), 0.25 × [Uranium 234](https://factorio.kalzumeus.com/item/u-234.md) (2.5% chance of 10), 1 × [Uranium 235](https://factorio.kalzumeus.com/item/u-235.md) (10% chance of 10), 0.8 × [Uranium 236](https://factorio.kalzumeus.com/item/u-236.md) (8% chance of 10), 1 × [Uranium 237](https://factorio.kalzumeus.com/item/u-237.md) (10% chance of 10), 6.75 × [Uranium 238](https://factorio.kalzumeus.com/item/u-238.md) (67.5% chance of 10) - Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Purex U concentrate 2 (`uranium-washing-1`) - 10 s · tier 7 - Ingredients: 100 × [Purex U concentrate 1](https://factorio.kalzumeus.com/fluid/purex-u-concentrate-1.md) - Results: 50 × [Purex U concentrate 2](https://factorio.kalzumeus.com/fluid/purex-u-concentrate-2.md), 30 × [Purex raffinate 1](https://factorio.kalzumeus.com/fluid/purex-raffinate.md) - Made in: Hydroclassifier MK 01, Hydroclassifier MK 02, Hydroclassifier MK 03, Hydroclassifier MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Purex U concentrate 3 (`uranium-washing-2`) - 5 s · tier 7 - Ingredients: 50 × [Purex U concentrate 2](https://factorio.kalzumeus.com/fluid/purex-u-concentrate-2.md), 1 × [Tributyl Phosphate (TBP)](https://factorio.kalzumeus.com/item/tbp.md), 100 × [Kerosene](https://factorio.kalzumeus.com/fluid/kerosene.md) - Results: 10 × [Purex U concentrate 3](https://factorio.kalzumeus.com/fluid/purex-u-concentrate-3.md), 10 × [Purex raffinate 1](https://factorio.kalzumeus.com/fluid/purex-raffinate.md), 0.5 × [Tributyl Phosphate (TBP)](https://factorio.kalzumeus.com/item/tbp.md) (50% chance) - Made in: Hydroclassifier MK 01, Hydroclassifier MK 02, Hydroclassifier MK 03, Hydroclassifier MK 04 - Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md) ### Silver lead dust (`used-nuclear-fuel`) - 10 s · tier 7 - Ingredients: 5 × [Spent nuclear fuel](https://factorio.kalzumeus.com/item/used-nuclear-fuel.md) - Results: 10 × [Silver lead dust](https://factorio.kalzumeus.com/item/lead-dust.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 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md)