This website is part of the CARE research project. The digital assistant will help you schedule the use of your appliances to reduce your bill, simulating a switch to dynamic tariffs. Using this website, you confirm you are 15 years or older. The time you spend on the website and the way you interact with it will be recorded anonymously and may be used in publications and future ethically approved research. For more information on how we use this data, refer to the Privacy Notice for Research Participants. The study was approved by the Heriot-Watt University’s Energy, Geoscience, Infrastructure and Society Ethics Committee (application number 2026-15738-20349).

CARE Project Experimentation

Could you reduce your energy bills using a Time-Of-Use tariff?

We're continually updating the website, so feel free to explore and revisit.

Do you own Solar PV or Battery Systems?

What tariff are you currently on?

What appliances do you need to run today?

Oven
Oven
Washingmachine
Washing Machine
Dryer
Dryer
Dishwasher
Dishwasher
EV
EV
Heater
Heating

Below are the cheapest times to run your applicances/devices:

Electricity price (p/kWh)
Forecasted electricity price (p/kWh)
PV production

You can edit and see the cost change as you move the sliders...

oven
washingmachine
dishwasher
dryer
ev
heater
The optimal cost for running your appliances with the proposed tariff would be

which is than the cost () with your current tariff
Cost with your new chosen time: