Nordic price intelligence for your EV

Charge when electricity is cheapest.

Turn Nordic electricity prices, tariffs, forecasts, your car, and your smart home into one clear charging plan.

Calculate cheapest charge See how it works

Price areas

Denmark, Sweden & Norway

Planning mode

Confirmed + 7-day

Integrations

Tesla, HA & push

Denmark price optimizer

Recommended window

Tonight, before 07:00 departure

Savings

28 kr

Start

01:00

End

04:25

Cost

62.40 kr

Hourly price forecast

Selected cheap hours

Energy needed

37.5 kWh

Confidence

Live prices

Nordic price intelligence

Hourly prices across Denmark, Sweden, and Norway with friendly area names and automatic area lookup.

Cheapest charging windows

Find the lowest-cost hours or one clean contiguous charging block before departure.

Real all-in price

See spot price, grid tariff, electricity tax, and VAT together - plus the exact cost for your charge.

7-day price outlook

Plan beyond tomorrow with an experimental forecast and clear uncertainty bands around every estimate.

Price history & insights

Explore daily trends, weekday-by-hour heatmaps, records, and how today's price compares historically.

Your price area, found

Use city, postal code, or browser location to find the right Nordic bidding zone without learning the jargon.

PWA & smart alerts

Install ChargeWindow on your home screen and get push alerts for cheap or exceptional price windows.

Home Assistant, shipped

Install through HACS and bring live prices, cheapest windows, sensors, and automations into your own dashboard.

Home Assistant integration

ChargeWindow belongs on your Home dashboard.

Our open-source HACS integration brings the current price, cheapest charging window, average window price, and a cheap-now signal into Home Assistant - ready for cards and automations.

Live price sensorsCheapest-window cardAutomation-ready

Get the Home Assistant integration

Home Assistant card

ChargeWindow

Cheap now

Current price

0,86 kr/kWh

Best window

01:00-04:00

Window average

0,74 kr/kWh

Charge signal

Yes

How it works

A calmer way to plan the next charge.

Enter car and charging details → We fetch hourly prices → You get the cheapest charging plan

See how it works

Roadmap

A lot has shipped. The next layer is automation.

Tesla Fleet connection & plan controlShipped

Home Assistant integration via HACSShipped

Installable PWA and push alertsShipped

Easee and Zaptec chargersPlanned

See the complete roadmap