Get The Data
The WattTime API provides the building blocks to integrate marginal carbon emissions data into a variety of applications and provides an automated process for emissions reductions without impacting functionality.
Data Plans
Integrating emissions data allows third-party providers and devices to make the best choices using real-time insights and forecasts.
API Documentation
Discover capabilities of the WattTime platform by exploring API reference documentation.
Coverage Map
Carbon footprint data for the whole US power grid in real-time. See the regions we cover.