What are
Submarine Cables?

January 2025

In telecommunications and electrical engineering, a submarine cable is a cable specially constructed and laid underwater (at the bottom of the sea, lake or river) to carry electricity or signals over long distances.

The first submarine cable to carry electricity was laid across Isar River in Bavaria during 1811.

Since then submarine cables have been evolved significantly through development in technology, design and ever-increasing demand for electricity.

Submarine cables are widely used for the transmission of energy and communications for offshore installations.

The offshore wind farm has gain momentum for the production of renewable energy to combat rising serious threat to environmental pollution due to extensive use of fossil fuels.

With the growing reliance on offshore-based renewable energy, many countries are focussing on the infrastructure of submarine cables. It plays a critical role in interconnecting different regional electrical transmission networks to allow global trading of energy. Submarine cables not only help in transmitting power from energy source to consumer but also supply the electricity in remote areas.

Global electricity demand is ever grossing with the advent development in various sectors degrading environment quality which leads to the development of clean energy i.e. off shore wind farms which support the growth of the submarine cables market.

In fact, the transport of wind energy from offshore parks to the mainland takes place via high-voltage submarine cables. These cables conduct electricity to coastal transformer stations, from where it is fed into the national grid.

As specialists in the engineering, construction, laying and storage of submarine cables, we are happy to contribute to the development of the submarine cables market.

COMEA works every day with a pioneering world for more and more renewable energy!