When is your power cleanest today?
The ring is today's 24 hours on your grid: green when it runs on more nuclear, wind, solar and hydro, red when it burns more coal and gas. Drag your appliances onto it.
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Your runs
- Drag an appliance onto the dial, or tap one to add it at a usual time.
Cheapest hours: add your time-of-use rate
On a flat rate every hour costs the same. If your utility charges more at peak times, enter it from your bill:
CO2 counts fuel burned in your grid region's power plants (EIA factors). It leaves out imports and is a pattern from recent days, not a forecast. Method · Sources
Live grid data
Hourly generation by fuel for your balancing authority from the U.S. Energy Information Administration's grid monitor, refreshed every hour.
Your appliances, your numbers
Each run shows kWh, CO2 at your usual time and at the best time. Change the kW and hours to match your own machine.
Reminders with Pro
A calendar feed that puts tomorrow's best window for each appliance in your phone's calendar. See Pro