Hello Watt
France
About
Founded in 2023, Hello Watt is a private headquartered in France with approximately 200-500 employees specializing in Solar, Energy Storage, Other.
Hello Watt is a digital platform dedicated to accelerating energy transition in France and Europe. The company provides a free mobile and desktop application (downloaded over 2 million times) that helps households track energy consumption, compare electricity and gas suppliers, identify energy-efficient renovation opportunities, and manage smart heating systems. Services include energy audits, isolation work, heat pump installation, solar panel installation with self-consumption options, and demand-side flexibility programs (défis conso) that reward users for reducing consumption during grid stress periods. Hello Watt handles government aids (MaPrimeRénov', CEE) administration and offers financing solutions. The company has partnered with certified RGE (Reconnu Garant de l'Environnement) contractors across France and was designated an official grid balancing operator by RTE in 2024.
Headquarters
France
Founded
2023
Employees
200-500
Company Type
Private
Annual Revenue
$50M-$150M
Business Models
Value Chain
Service Regions
France
Products
Hello Watt Application
Défis Conso (Consumption Challenges)
Energy Renovation Services
Certifications & Awards
Certifications
RTE Grid Balancing Operator Certification
Awards
RTE Demand Response Operator Award
Sustainability
178.4k
Tonnes CO₂/yr avoided
Partnerships
RTE (French grid operator), EPEX SPOT (European electricity exchange), RGE certified contractor network