# Geothermal Power - Stage 4 (technology)

internal name `geothermal-power-mk04` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/tech/geothermal-power-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)

- [Geothermal Power - Stage 3](https://factorio.kalzumeus.com/tech/geothermal-power-mk03.md)
- [Renewables - Stage 4](https://factorio.kalzumeus.com/tech/renewable-mk04.md)

## Leads to (0)

- none

## Unlocks (1 recipes)

### Pressurized steam (`geo-he-03`)

- 2.5 s · tier 7
- Ingredients: 600 × [Geothermal Water](https://factorio.kalzumeus.com/fluid/geothermal-water.md) (≥2950°C), 125 × [Pressurized water](https://factorio.kalzumeus.com/fluid/pressured-water.md)
- Results: 125 × [Pressurized steam](https://factorio.kalzumeus.com/fluid/pressured-steam.md) (5000°C)
- Made in: Heat exchanger MK01, Heat exchanger MK02, Heat exchanger MK03, Heat exchanger MK04
- Unlocked by: [Geothermal Power - Stage 4](https://factorio.kalzumeus.com/tech/geothermal-power-mk04.md)