# Geothermal power plants and Steel

Their prices have moved together.

Source page: https://www.materialinsights.org/links/geothermal-power-plants-and-steel/

[Geothermal power plants](https://www.materialinsights.org/energy/e_geo_power/) (energy) and [Steel](https://www.materialinsights.org/commodities/steel/) (commodity): 1 relationship.

## How they are linked

### 1. Price link: main input

*Cost and price · Weak · Both ways*

Well casing and surface pipes use a lot of steel that must resist heat and corrosive brines. The proxy is a US turbine price index shared by several power technologies, so it does not track steel monthly (0.05).

- **0.05** monthly change correlation
- **-0.01** 12-month change correlation
- **0.26** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.