# Organic Rankine, Kalina and sCO2 cycles: Overview

Making power from heat that steam turbines cannot use

Source page: https://www.materialinsights.org/energy/e_orc/overview/

What this tile covers Cycles using special fluids to make power from lower-temperature heat.

#### Key facts

| **Heat grade** | Low to medium |
|---|---|

#### Included from the reference tables

- Organic Rankine cycle (80-350 C)
- Kalina cycle
- Supercritical CO2 cycles
- Thermoelectric generators
- Stirling engines

#### Also in Heat to power and cogeneration
[WHR Waste-heat power (steam Rankine)](https://www.materialinsights.org/energy/e_whr_rankine/)[Trb Engine exhaust recovery](https://www.materialinsights.org/energy/e_engine_recovery/)[CHP Combined heat and power](https://www.materialinsights.org/energy/e_chp/)[Bag Bagasse and black-liquor cogeneration](https://www.materialinsights.org/energy/e_bio_cogen/)[CDQ Steel plant energy recovery](https://www.materialinsights.org/energy/e_steel_recovery/)

Explore paths from here
 More on this tile in the tabs above: science and thermodynamics, engineering and integration, economics and contracts, impact and additionality, what to track.

## Other sections

- [Summary](https://www.materialinsights.org/energy/e_orc/index.md)
- [Correlation](https://www.materialinsights.org/energy/e_orc/correlation/index.md)
- [Science and thermodynamics](https://www.materialinsights.org/energy/e_orc/rc-sci/index.md)
- [Engineering and integration](https://www.materialinsights.org/energy/e_orc/rc-eng/index.md)
- [Economics and contracts](https://www.materialinsights.org/energy/e_orc/rc-econ/index.md)
- [Impact and additionality](https://www.materialinsights.org/energy/e_orc/rc-impact/index.md)
- [What to track](https://www.materialinsights.org/energy/e_orc/tracking/index.md)
- [Relationships](https://www.materialinsights.org/energy/e_orc/links/index.md)