# Oil Power - Stage 4 (technology) internal name `oilplant-mk04` · tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md)) HTML page: https://factorio.kalzumeus.com/tech/oilplant-mk04/ ## Cost 3300 units of (1 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md), 2 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 3 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 6 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 10 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 20 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 30 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 60 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 10 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 450 s each. ## Requires (2) - [Non Renewables - Stage 4](https://factorio.kalzumeus.com/tech/nonrenewable-mk04.md) - [Oil Power - Stage 3](https://factorio.kalzumeus.com/tech/oilplant-mk03.md) ## Leads to (0) - none ## Unlocks (3 recipes) ### Pressurized steam (`he-04`) - 2.5 s · tier 8 - Ingredients: 100 × [Hot Molten Salt](https://factorio.kalzumeus.com/fluid/hot-molten-salt.md) (≥3950°C), 75 × [Pressurized water](https://factorio.kalzumeus.com/fluid/pressured-water.md) - Results: 100 × [Molten Salt](https://factorio.kalzumeus.com/fluid/molten-salt.md), 75 × [Pressurized steam](https://factorio.kalzumeus.com/fluid/pressured-steam.md) (4000°C) - Made in: Heat exchanger MK01, Heat exchanger MK02, Heat exchanger MK03, Heat exchanger MK04 - Unlocked by: [Biomass Power - Stage 4](https://factorio.kalzumeus.com/tech/biomassplant-mk04.md), [Coal Power - Stage 4](https://factorio.kalzumeus.com/tech/coalplant-mk04.md), [Gas Power - Stage 4](https://factorio.kalzumeus.com/tech/gasplant-mk04.md), [Oil Power - Stage 4](https://factorio.kalzumeus.com/tech/oilplant-mk04.md), [Solar Power - Stage 4](https://factorio.kalzumeus.com/tech/solar-power-mk04.md) ### Hot Molten Salt (`oil-molten-salt-04`) - 20 s · tier 8 - Ingredients: 500 × [Molten Salt](https://factorio.kalzumeus.com/fluid/molten-salt.md) - Results: 500 × [Hot Molten Salt](https://factorio.kalzumeus.com/fluid/hot-molten-salt.md) (4000°C) - Made in: Oil powerplant MK 01, Oil powerplant MK 02, Oil powerplant MK 03, Oil powerplant MK 04 - Unlocked by: [Oil Power - Stage 4](https://factorio.kalzumeus.com/tech/oilplant-mk04.md) ### Oil powerplant MK 04 (`py-oil-powerplant-mk04`) - 5 s · tier 8 - Ingredients: 1 × [Oil powerplant MK 03](https://factorio.kalzumeus.com/item/py-oil-powerplant-mk03.md), 50 × [Titanium nitride](https://factorio.kalzumeus.com/item/ti-n.md), 40 × [Iron niobium alloy](https://factorio.kalzumeus.com/item/nbfe-alloy.md), 15 × [Advanced coating](https://factorio.kalzumeus.com/item/science-coating.md), 100 × [Carbon aerogel](https://factorio.kalzumeus.com/item/carbon-aerogel.md), 200 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 10 × [Intelligent unit](https://factorio.kalzumeus.com/item/intelligent-unit.md), 10 × [Superconductor servomechanisms](https://factorio.kalzumeus.com/item/superconductor-servomechanims.md), 10 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 40 × [Metallic glass](https://factorio.kalzumeus.com/item/metallic-glass.md), 5 × [Mechanical Parts 04](https://factorio.kalzumeus.com/item/mechanical-parts-04.md), 100 × [Phosphate glass](https://factorio.kalzumeus.com/item/phosphate-glass.md), 20 × [Nanoelectromechanical systems](https://factorio.kalzumeus.com/item/nems.md), 3 × [Superconducting Claw-pole Engine](https://factorio.kalzumeus.com/item/sc-engine.md) - Results: 1 × [Oil powerplant MK 04](https://factorio.kalzumeus.com/item/py-oil-powerplant-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: [Oil Power - Stage 4](https://factorio.kalzumeus.com/tech/oilplant-mk04.md)