# Hydropower dams and Steel

Their prices have moved together.

Source page: https://www.materialinsights.org/links/hydropower-dams-and-steel/

[Hydropower dams](https://www.materialinsights.org/energy/e_hydro_dams/) (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*

Penstocks, gates and turbine housings are steel, and reinforced concrete uses rebar. The proxy is a US turbine price index shared by several power technologies, and it does not follow steel monthly (0.05) because equipment is priced on long contracts.

- **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.