Reducing your electricity bills
JouleGenie connects your solar, battery, EV and smart tariff into one intelligent system. It optimises every half-hour slot so you pay less and waste less.
Your battery is wasted without it
Most battery owners charge and discharge on fixed schedules - missing super cheap plunge slots. JouleGenie shifts every kWh to the optimal window, turning your hardware investment into measurable savings.
From only £9.99 a month.
"We saved £xxxx a day once we started using JouleGenie."
The Lawler family, Sussex
"We actually got paid to charge our EV."
The Hattersleys, Hampshire
Charge for Free — or Get Paid
Charge your EV for free or even make money from charging. Leaving you with more money to enjoy life's journeys.
What does it do
An intelligent optimiser
JouleGenie analyses your tariff rates across 48 half-hour slots. Using the solar forecast, battery state and EV schedule it builds the cheapest charge/discharge programme and pushes it directly to your inverter.
Savings Tracking
The feel good factor
Every single day you can do a side-by-side cost comparison: what you paid versus what you would have paid without the optimiser.
Set Up in Minutes
Connect your hardware, let the optimiser learn your patterns, then sit back and save.
Connect
Add your inverter, tariff and EV through a guided setup wizard. No technical knowledge needed.
Observe
Shadow mode shows exactly what the optimiser would do—so you can build confidence before going live.
Optimise
Go live and the engine pushes the cheapest charge schedule to your inverter every five minutes, automatically.
Save
Watch your savings grow on the dashboard. Track daily, weekly and monthly cost reductions in real time.
Stop Overpaying for Electricity
Join the UK home owners who let JouleGenie handle every half-hour decision, so they don't have to.