SIE SA is West Lausanne's benchmark for the operation of electricity networks, the development of energy services and the regional multimedia offering, through its sister company, TVT Services SA.

Do you have questions about your connection, renewable energy projects or work to be carried out? We take care of everything: sales, services, transitions and renewable energies.
We also offer you our energy products: SIE Nature and SIE Nature+.
Finally, we support the region's development, invest in renewable energies and provide support to our four communes as they commit to regional sustainable development and move towards the Smart City.

Our teams welcome you in person and answer all your questions:

• Information on your bill 
• Energy tips
• The right gestures