Member - Hello Watt

Hello Watt helps individuals reduce their energy bills and consume energy responsibly.

Type Startup or self-employed
Founded 2016
Company Size 130
Member Type
Founders Sylvain Le Falher & Xavier Coudert
Headquarters 75008 Paris, France
Social network
Hello Watt


Hello Watt offers a free electricity and gas supplier comparator, accompanied by a team of specialists who advise private customers on insulation work that can be carried out in their homes, as well as on solar panel installation projects. Hello Watt is the energy advisor that democratizes simple, effective solutions for reducing energy bills. 1/ Hello Watt guides individuals in their choice of energy supplier(s), thanks to its price comparator for different electricity and natural gas suppliers, and its propane tank quotation service. It is then possible to subscribe to an electricity or natural gas offer in just a few minutes, free of charge, directly from the Hello Watt website. 2/ The Hello Watt team of energy experts also advises private individuals on improving the energy efficiency of their homes, offering free insulation quotes and €1 attic insulation. Support services for the control, selection, installation and maintenance of energy equipment such as boilers will also soon be available. 3/ Hello Watt also helps individuals to go one step further by assisting them with the installation of solar panels for the individual production of green energy. To provide the best possible support and personalized advice, Hello Watt relies on a customer service team made up of energy experts, as well as on energy consumption data supplied by grid operators. More precise data will also be available in the very near future, subject to the agreement of the individual concerned, thanks to the Linky and Gazpar smart meters currently being deployed.
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Headquarters 75008 Paris, France

SDG’s of application

The Sustainable Development Goals are a call to action to end poverty, protect the planet and ensure peace and prosperity everywhere.
Clean water and sanitation
SDG 6 icon
Affordable and clean energy
SDG 7 icon
Industry, innovation and infrastructure
SDG 9 icon
SDG 11
Sustainable cities and communities
SDG 11 icon
SDG 12
Responsible consumption and production
SDG 12 icon

Efficient Solutions

Labelled Solutions from Hello Watt

The Solar Impulse Efficient Solution label seeks to bridge the gap between ecology and economy, bringing together protection of the environment and financial viability to show that these solutions are not expensive fixes to problems, but rather opportunities for clean economic growth.

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. To validate the Membership to the World Alliance for Efficient Solutions, the Solar Impulse Foundation only verifies that each entity is registered and has signed our principles and values stated in the following World Alliance for Efficient Solutions charter. For those Members who are also solution providers, this information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances.