FAQ

No. It's the hour-by-hour pattern of the latest days of EIA data, which usually repeats from day to day (solar at midday, wind often at night). A sunny or windless day can differ.

Most homes pay the same price at every hour. Add a time-of-use rate if your utility has one.

The ZIP you type, or the approximate region of your connection from Cloudflare. We don't ask for your address and don't use GPS.

We match your state to its main balancing authority. Near a border or in a city with its own utility, pick yours from the list.

A calendar link with the best window for each appliance over the next two days, refreshed by your calendar app.

Yes, any time from your Gumroad receipt or library.