# Energy generation (technology)

internal name `energy-3` · tier 5 (Chemical science pack, [tier 5](https://factorio.kalzumeus.com/tier/5.md))
HTML page: https://factorio.kalzumeus.com/tech/energy-3/

## Cost

700 units of (1 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 2 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 3 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 6 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 10 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 120 s each.

## Requires (2)

- [Chemical science pack](https://factorio.kalzumeus.com/tech/chemical-science-pack.md)
- [Energy generation](https://factorio.kalzumeus.com/tech/energy-2.md)

## Leads to (2)

- [Non Renewables - Stage 3](https://factorio.kalzumeus.com/tech/nonrenewable-mk03.md)
- [Renewables - Stage 3](https://factorio.kalzumeus.com/tech/renewable-mk03.md)

## Unlocks (2 recipes)

### Charcoal briquette (`charcoal-briquette`)

- 10 s · tier 5
- Ingredients: 40 × [Dried biomass](https://factorio.kalzumeus.com/item/dried-biomass.md), 5 × [Activated carbon](https://factorio.kalzumeus.com/item/active-carbon.md), 5 × [Limestone](https://factorio.kalzumeus.com/item/limestone.md), 10 × [Starch](https://factorio.kalzumeus.com/item/starch.md), 5 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 5 × [Sodium carbonate](https://factorio.kalzumeus.com/item/sodium-carbonate.md), 50 × [Nitrogen](https://factorio.kalzumeus.com/fluid/nitrogen.md), 25 × [Wax](https://factorio.kalzumeus.com/fluid/wax.md), 25 × [Creosote](https://factorio.kalzumeus.com/fluid/creosote.md), 10 × [Fiber](https://factorio.kalzumeus.com/item/fiber.md)
- Results: 10 × [Charcoal briquette](https://factorio.kalzumeus.com/item/charcoal-briquette.md)
- Made in: FTS reactor MK 01, FTS reactor MK 02, FTS reactor MK 03, FTS reactor MK 04
- Unlocked by: [Energy generation](https://factorio.kalzumeus.com/tech/energy-3.md)

### Compress briquettes of coal (`coal-briquette`)

- 10 s · tier 5 · productivity modules allowed
- Ingredients: 40 × [Coal dust](https://factorio.kalzumeus.com/item/coal-dust.md), 20 × [Glycerol](https://factorio.kalzumeus.com/fluid/glycerol.md), 100 × [Creosote](https://factorio.kalzumeus.com/fluid/creosote.md), 50 × [Tar](https://factorio.kalzumeus.com/fluid/tar.md)
- Results: 10 × [Coal briquette](https://factorio.kalzumeus.com/item/coal-briquette.md)
- Made in: FTS reactor MK 01, FTS reactor MK 02, FTS reactor MK 03, FTS reactor MK 04
- Unlocked by: [Energy generation](https://factorio.kalzumeus.com/tech/energy-3.md)