« Let’s be the change we want to see in the World »   Gandhi

WattElse prepares its customers to anticipate the changes of tomorrow.

At your service

A team




to save

tons of CO2 per year

Allowing to generate or save more than

GWh per year

Average growth rate of

per year

Your added value

A global approach

Our multidisciplinary team masters all aspects of your energy project including technical, financial, legal and communicational concerns.

Support in energy transition

Listening to your needs, we guide you towards mature, technically feasible and profitable solutions, allowing you to control your energy consumption and your CO2 impact as well as increase your production of renewable energy.

Turnkey solutions

We identify and develop your renewable energy projects from conception through legal building permission until operation.

Our expertise

Project Management

From site selection and conception of technical solution through legal building permission, financing and construction until operation of unit production, WattElse supports you at each step of your renewable energy project

Energy Strategy

From diagnosis to conception of solutions and operation, WattElse allows you to master your energy consumption and consider investments to reduce your CO2 impact.

Our clients

Partner of your energy strategy, WattElse supports companies, industrial players as well as administrations and municipalities wishing to act on their consumption and carbon footprint from the audit until the implementation of the proposed solutions.




News feed

Energy transition support of VIVAQUA

Energy transition support of VIVAQUA

VIVAQUA is the public company responsible for the distribution and supply of drinking water in the Brussels Region. WattElse was asked to support it in implementing a global strategy aimed at reducing the energy consumption of its Walloon sites and producing 7 GWh per...

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New offices for WattElse as from 2023

New offices for WattElse as from 2023

WattElse has just submitted its permit application for the renovation and fitting out of its future offices located in Wierde (close to Namur). This already unifying project within our team of experts will be a real showcase of good practices in terms of renewable...

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