Frequently asked questions
Where can I see the power of the device?
From the device's rating plate or user manual. Power is given in watts (W) or kilowatts (kW); 1 kW = 1,000 W.
Why can actual consumption be lower?
Many appliances, such as a sauna stove or a heater, run under thermostat control and do not operate at full power all the time.
Electricity Price Radar brings together the topic's up-to-date figures, deadlines and services. Open Electricity Price Radar →
Embed the calculator on your own page
You can add the calculator to your own website, blog or intranet free of charge. Copy the code and paste it into the page's HTML field. The calculator updates automatically when the figures change.
Also read
- Spot electricity or a fixed price? How a spot-price contract works
- Electricity transmission price: why transmission costs money and what an electricity bill consists of
- Electricity price in winter: why spot electricity gets more expensive and how to prepare
- How much does electricity cost per month? Detached house and block of flats 2026
- Switching electricity contract: how to compare and switch electricity companies
Other calculators
- Electricity calculator: spot electricity or a fixed price?
- Company electricity cost calculator (VAT 0 %)
- Electricity calculator: how much is your electricity bill per month?
- Air-source heat pump savings calculator and payback time
- Solar panel calculator: yield, savings and payback
The calculator gives an indicative estimate and does not replace the advice of an authority, bank, insurer or accounting firm. The calculator's figures and their sources are shown below the calculator.