# Transformers and power electronics and Underground, submarine and superconducting cables

Their prices have moved together.

Source page: https://www.materialinsights.org/links/transformers-and-power-electronics-and-underground-submarine-and-superconducting-cables/

[Transformers and power electronics](https://www.materialinsights.org/energy/e_power_electronics/) (energy) and [Underground, submarine and superconducting cables](https://www.materialinsights.org/energy/e_cables/) (energy): 1 relationship.

## How they are linked

### 1. Price link: shared grid demand

*Cost and price · Strong · Both ways*

Cables and transformers are bought together for grid expansion and renewable connections. Monthly moves correlate at 0.36 and yearly at 0.74, a common driver from utility spending and from shared copper and aluminium costs.

- **0.36** monthly change correlation
- **0.74** 12-month change correlation
- **1.09** fitted elasticity

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