# Energy generation (technology)

internal name `energy-2` · tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/tech/energy-2/

## Cost

1100 units of (1 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 2 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 3 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 6 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 90 s each.

## Requires (1)

- [Electronics - Stage 2](https://factorio.kalzumeus.com/tech/basic-electronics.md)

## Leads to (6)

- [Cooling tower](https://factorio.kalzumeus.com/tech/cooling-tower-2.md)
- [Energy generation](https://factorio.kalzumeus.com/tech/energy-3.md)
- [Non Renewables - Stage 2](https://factorio.kalzumeus.com/tech/nonrenewable-mk02.md)
- [Renewables - Stage 2](https://factorio.kalzumeus.com/tech/renewable-mk02.md)
- [Silicon processing - Stage 2](https://factorio.kalzumeus.com/tech/silicon-mk02.md)
- [Thermosolar Power - Stage 1](https://factorio.kalzumeus.com/tech/thermal-mk01.md)

## Unlocks (1 recipes)

### Crucible (`crucible`)

- 5 s · tier 4
- Ingredients: 2 × [NiSi](https://factorio.kalzumeus.com/item/nisi.md), 5 × [Silica powder](https://factorio.kalzumeus.com/item/silica-powder.md), 5 × [Clay](https://factorio.kalzumeus.com/item/clay.md)
- Results: 2 × [Crucible](https://factorio.kalzumeus.com/item/crucible.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Energy generation](https://factorio.kalzumeus.com/tech/energy-2.md)