# Thermosolar Power - Stage 3 (technology)

internal name `thermal-mk03` · tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md))
HTML page: https://factorio.kalzumeus.com/tech/thermal-mk03/

## 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 (1)

- [Solar Power - Stage 3](https://factorio.kalzumeus.com/tech/solar-power-mk03.md)

## Leads to (1)

- [Thermosolar Power - Stage 4](https://factorio.kalzumeus.com/tech/thermal-mk04.md)

## Unlocks (3 recipes)

### Mirror MK03 (`mirror-mk03`)

- 10 s · tier 8
- Ingredients: 1 × [Acrylic](https://factorio.kalzumeus.com/item/acrylic.md), 1 × [Anti Reflective Glass](https://factorio.kalzumeus.com/item/anti-reflex-glass.md), 1 × [Polishing wheel](https://factorio.kalzumeus.com/item/polishing-wheel.md), 1 × [Polishing compound](https://factorio.kalzumeus.com/item/cerium-oxide.md), 2 × [Silver plate](https://factorio.kalzumeus.com/item/silver-plate.md), 2 × [Epoxy](https://factorio.kalzumeus.com/item/epoxy.md)
- Results: 1 × [Mirror MK03](https://factorio.kalzumeus.com/item/mirror-mk03.md)
- Made in: Gas processing unit MK 01, Gas processing unit MK 02, Gas processing unit MK 03, Gas processing unit MK 04
- Unlocked by: [Thermosolar Power - Stage 3](https://factorio.kalzumeus.com/tech/thermal-mk03.md)

### Solar updraft tower (`sut`)

- 0.5 s · tier 8
- Ingredients: 1000 × [Glass](https://factorio.kalzumeus.com/item/glass.md), 400 × [Advanced small parts](https://factorio.kalzumeus.com/item/small-parts-02.md), 500 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 18 × [Electric engine unit](https://factorio.kalzumeus.com/item/electric-engine-unit.md), 20 × [Nano Structured Material](https://factorio.kalzumeus.com/item/ns-material.md), 10 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 100 × [Concrete](https://factorio.kalzumeus.com/item/concrete.md), 1 × [Mechanical Parts 03](https://factorio.kalzumeus.com/item/mechanical-parts-03.md)
- Results: 1 × [Solar updraft tower](https://factorio.kalzumeus.com/item/sut.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: [Thermosolar Power - Stage 3](https://factorio.kalzumeus.com/tech/thermal-mk03.md)

### Glass cover (`sut-panel`)

- 0.5 s · tier 8
- Ingredients: 1 × [Advanced small parts](https://factorio.kalzumeus.com/item/small-parts-02.md), 2 × [Asphalt](https://factorio.kalzumeus.com/item/py-asphalt.md), 20 × [Glass](https://factorio.kalzumeus.com/item/glass.md), 1 × [Mirror MK03](https://factorio.kalzumeus.com/item/mirror-mk03.md)
- Results: 2 × [Glass cover](https://factorio.kalzumeus.com/item/sut-panel.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: [Thermosolar Power - Stage 3](https://factorio.kalzumeus.com/tech/thermal-mk03.md)