While Swissgrid is a public limited company, its business model is completely different to those of other companies. Some of them produce goods, such as chocolate or pocket knives, and others, such as insurance companies or banks, provide services. Swissgrid, in contrast, operates the extra-high-voltage grid, the backbone of the electricity supply and a critical infrastructure, based on a legal mandate.

1/5: Pylon of the overhead line between Chamson and Chippis
2/5: Transformer at the Laufenburg substation
3/5: Tunnelling beneath the SBB line
4/5: Rüthi Substation
5/5: Gas-insulated switching substation in Romanel

The value chain in the electricity industry is broken down into the areas of production, distribution, consumption and transfer. As the owner and operator of the Swiss extra-high-voltage grid, Swissgrid is responsible for the latter. This grid transfers electrical energy within Switzerland in addition to importing and exporting this energy, so it is absolutely essential for citizens and the economy. By contrast, the fine distribution of the electricity down to the domestic power socket is the responsibility of the distribution system operators.

While numerous suppliers of chocolate or insurance policies compete freely in Switzerland, Swissgrid is the only transmission system operator, so there are no market mechanisms that regulate costs and prices. This task is taken over by the regulator: the Swiss Electricity Commission (ElCom) supervises Swissgrid’s business activities.

Tariffs ensure the high availability of the transmission grid

Swissgrid has to cover operating costs and make investments so that it can ensure a secure and functioning grid for Switzerland. How does the grid company finance these services? Legislation stipulates that it is entitled to collect tariffs, which are paid by all electricity consumers in Switzerland. At the same time, Swissgrid also receives auction proceeds from the sale of electricity transport capacities along the 41 cross-border lines that connect the Swiss and the European transmission grids.

In some cases, these tariffs are stated directly on the electricity bill, while in others they are charged to the distribution system operators, who pass them on to their customers. These Swissgrid operations are also supervised by ElCom: the tariffs for the coming year are calculated based on the planning. Both these tariffs and the utilisation of the auction proceeds are subject to the regulator’s approval. If Swissgrid collects too much or too little via the tariffs during a given year, these differences are balanced with higher or lower tariffs in the following years.

The costs are borne by all

The costs for the secure transfer of electricity are therefore shared by all electricity consumers in Switzerland. These costs include not only the expenses for maintaining and constructing lines but also those for operation, balancing energy (which is used to stabilise the grid) and remuneration for land owners whose properties are crossed by a line.

Besides this, Swissgrid is also subject to the public procurement system, meaning that major expenditures have to be put out to tender. The contract is then awarded to the most suitable service provider with the most cost-effective offer.

Electricity price 2020

The Swiss transmission grid is currently one of the most secure and stable electricity grids in the world. And, in this case, Swiss quality has even proven to be very affordable for individuals: for example, in 2020 a typical household with an annual consumption of 4,500 kW/h is paying just over 44 francs, around 5% of the electricity costs, to the transmission grid.


Kaspar Haffner

Communication Manager

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