What is WattTime?
WattTime is a nonprofit that promotes carbon emission reduction solutions and provides data and technical assistance for their implementation globally.
HQ Country
Oakland, United States
Parent Company
Rocky Mountain Institute
Product Features & Capabilities
- Emissions data signals for 200+ countries
- Technical assistance for load shifting
- Solutions for renewable energy siting
- Supply chain emissions intelligence
How much WattTime raised
Lead Investor: No lead investor listed.
Other Considerations
Serves over one billion smart devices; Recognized for contributions to emissions reduction; Partnerships with major tech companies like Google; Featured in TIME's Best Inventions of 2025