Smug is back — and better than ever.
We've rebuilt Smug from the ground up with a new app, smarter optimisation, and support for GivEnergy and Fox ESS systems.
Download the app and get started in minutes — no waiting, no sign-up fees.
Feel good about your energy
Our app uses machine learning and weather forecasts to control your battery to save £100s of pounds a year on your energy bills.
Connect your battery
Simply log into your battery’s cloud account, no tricky hardware required.Add your tariffs
Enter your import and export tariff details so that we know when electricity is cheap and when it’s not.Switch on optimisation
No complex configuration, just a single toggle switch. Sit back and save!
How does Smug work?
Smug learns how you use energy
Our algorithm gets better over time as it understands your usage patterns.Smug forecasts your solar energy generation
Our state-of-the-art meteorological models and past data predict the generation from your solar array.Smug connects to your electricity supplier’s tariffs
Allowing us to understand time-of-use pricing for imported and exported electricity.Smug calculates when to charge & discharge your battery
Allowing us to minimise the cost of imported electricity and maximise income from exports.You sit back, relax, and save money
Smug controls your battery through the cloud without you lifting a finger.Your energy without Smug:
Your energy with Smug:
So, what will it cost me?
Smug is free to use.
We’re focused on putting money back in your pocket through smarter battery optimisation. In the future, we plan to connect you to flexibility markets — where your battery can earn money by responding to grid demand — and we’ll take a small cut of what you make.