welcome to your Wonder Watt dashboard.

Wonder Watt runs your home battery for you. It reads tomorrow's solar forecast, your tariff and your battery, then tells your inverter when to charge, hold and export, every day, without you touching it. If tomorrow is going to be a scorcher, it won't fill your battery from the grid tonight.

It works with Growatt, GivEnergy, Solax, AlphaESS, Solis, FoxESS and Sunsynk inverters, through each manufacturer's own cloud: no extra hardware and no Home Assistant.

• Smart tariffs: Octopus Agile, Intelligent Octopus Go, Go, Flux and Cosy, EDF FreePhase and GoElectric, or any time of use tariff.
• Timed and smart export: sell to the grid when it pays, then go back to normal on its own.
• Axle: earn from grid export events, with everything else standing aside while they run.
• Wonder Batt (beta): fully automatic planning around prices, solar and your usage, with no schedules to set up.

Sign in with your Google account to set up your system. You get 14 days free, with no payment details needed. See everything Wonder Watt works with.