Waiting for meter data
YOUR HOME. YOUR ENERGY.
Make every unit
work smarter.
Understand your electricity use, see what it costs and make better decisions with one clear view of your home.
● Supplier-neutral foundations● Your data stays yours● Built for UK homes
ACCOUNT ACCESS
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YOUR ENERGY OVERVIEW
Good to see you.
Your household energy, in one place.
PRIVATE WORKSPACE
DEMO MODE ACTIVE · SIMULATED DATAThese example readings are generated for testing only. They are not your meter readings and are not saved to your energy records.
Tariff data not connected
Live readings not connected
CONSUMPTION
Electricity usage
⌁Your energy story starts here
Enable Demo Mode to preview a simulated half-hourly usage profile.
YOUR ENERGY OVER TIME
Energy history
Explore daily electricity consumption, exports and estimated costs from your imported meter readings.
Selected period
Metered export
Tariff coverage dependent
DAILY BREAKDOWN
Electricity by day
Load your Octopus history to see daily usage.
Daily readings
Most recent firstNo history loaded yet.
Costs are estimates based on available tariff data and standing charges. Where tariff coverage is incomplete, HEI will identify that rather than invent a price.
YOUR HEI WORKSPACE
Settings & connections
Manage your household, meters, Home Assistant and supplier connections.
YOUR HOUSEHOLD
Set up your home
Create a household workspace to organise your meters, tariffs and energy data.
✓Household ready
PROPERTY & METERS
Your properties
Add the places in your household and register their electricity or gas supply points. Meter identifiers are encrypted and only shown in masked form after saving.
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LOCAL INTEGRATION
Home Assistant
Connect your Home Assistant instance to discover energy and power sensors. HEI uses read-only API access and cannot control devices.
SUPPLIER CONNECTION
Connect Octopus Energy
Enter your Octopus account number and API key to verify your account. Credentials are sent to your HEI server over HTTPS and encrypted before storage. They are never saved in this browser.
Historical consumption and tariff import will start automatically after connecting.