# Renewables - Stage 4 (technology) internal name `renewable-mk04` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md)) HTML page: https://factorio.kalzumeus.com/tech/renewable-mk04/ ## 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 (2) - [Fusion energy - Stage 2](https://factorio.kalzumeus.com/tech/fusion-mk02.md) - [Renewables - Stage 3](https://factorio.kalzumeus.com/tech/renewable-mk03.md) ## Leads to (5) - [Biomass Power - Stage 4](https://factorio.kalzumeus.com/tech/biomassplant-mk04.md) - [Geothermal Power - Stage 4](https://factorio.kalzumeus.com/tech/geothermal-power-mk04.md) - [Solar Power - Stage 4](https://factorio.kalzumeus.com/tech/solar-power-mk04.md) - [Tidal Power - Stage 4](https://factorio.kalzumeus.com/tech/tidal-mk04.md) - [Wind Power - Stage 4](https://factorio.kalzumeus.com/tech/wind-mk04.md) ## Unlocks (2 recipes) ### Aerial turbine MK 04 (`aerial-blimp-mk04`) - 50 s · tier 7 - Ingredients: 1 × [Aerial turbine MK 03](https://factorio.kalzumeus.com/item/aerial-blimp-mk03.md), 2 × [Shaft MK04](https://factorio.kalzumeus.com/item/shaft-mk04.md), 4 × [Anemometer MK04](https://factorio.kalzumeus.com/item/anemometer-mk04.md), 1 × [Solar panel MK 02](https://factorio.kalzumeus.com/item/solar-panel-mk02.md), 1 × [Intelligent unit](https://factorio.kalzumeus.com/item/intelligent-unit.md), 10 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 100 × [Low density structure](https://factorio.kalzumeus.com/item/low-density-structure.md), 20 × [Hyperelastic material](https://factorio.kalzumeus.com/item/hyperelastic-material.md), 40 × [Carbon aerogel](https://factorio.kalzumeus.com/item/carbon-aerogel.md), 5 × [Quantum battery](https://factorio.kalzumeus.com/item/quantum-battery.md), 200 × [Carbon Fiber](https://factorio.kalzumeus.com/item/cf.md), 2 × [Electronics MK04](https://factorio.kalzumeus.com/item/electronics-mk04.md), 2 × [Control Panel MK04](https://factorio.kalzumeus.com/item/controler-mk04.md), 1 × [Mechanical Parts 04](https://factorio.kalzumeus.com/item/mechanical-parts-04.md), 400 × [Helium-3](https://factorio.kalzumeus.com/fluid/helium3.md) - Results: 1 × [Aerial turbine MK 04](https://factorio.kalzumeus.com/item/aerial-blimp-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 - Unlocked by: [Renewables - Stage 4](https://factorio.kalzumeus.com/tech/renewable-mk04.md) ### Anemometer MK04 (`anemometer-mk04`) - 25 s · tier 7 · productivity modules allowed - Ingredients: 25 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md), 3 × [Photonic Chip](https://factorio.kalzumeus.com/item/photonic-chip.md), 20 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 5 × [High tech circuit board](https://factorio.kalzumeus.com/item/processing-unit.md), 50 × [Special small parts](https://factorio.kalzumeus.com/item/small-parts-03.md), 2 × [Dielectric Mirror](https://factorio.kalzumeus.com/item/dieletric-mirror.md), 50 × [Phosphate glass](https://factorio.kalzumeus.com/item/phosphate-glass.md), 1 × [Anemometer MK03](https://factorio.kalzumeus.com/item/anemometer-mk03.md) - Results: 1 × [Anemometer MK04](https://factorio.kalzumeus.com/item/anemometer-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 - Unlocked by: [Renewables - Stage 4](https://factorio.kalzumeus.com/tech/renewable-mk04.md)