Guide
Electricity contract lämpöpumpulle 2026
Electricity consumption in a home with a heat pump is typically 5,000-15,000 kWh per year depending on the pump type and the size of the house. A ground source heat pump covers most of the heating demand, whereas an air-to-water heat pump needs supplementary heating during severe cold. A heat pump pairs excellently with spot pricing because heat can be stored during the cheapest hours.
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Typical consumption
5,000-15,000 kWh/yr
Recommended contract
Spot or fixed
Which electricity contract suits lämpöpumpulle?
Spot price
Spot pricing is an excellent choice for a heat pump. The heat pump can take advantage of cheap hours by pre-heating the house and water tank, and consumption is minimal during expensive ones. With smart control the saving can be 200-600 euros per year compared with a fixed contract.
Fixed electricity contract
A fixed contract works if you cannot or do not want to use smart control. Without timing consumption to the cheapest hours, the advantage of spot pricing shrinks significantly. A fixed contract offers a predictable bill with no need for monitoring.
Estimated annual cost - lämpöpumppu
The estimate is based on average consumption (10,000 kWh/yr). The spot-price estimate is based on a 12-month average price of 7.5 c/kWh (incl. VAT).
Spot (Aalto Energia)
~799 EUR/yr
incl. spot 7.5 c/kWh + margin
Fixed (Vihreä Älyenergia)
~1,025 EUR/yr
fixed total price
Saving tips - lämpöpumppu
- Enable smart control on the heat pump - it automatically times heating to the cheapest hours
- Use the house's thermal mass: pre-heat concrete structures and the water tank at night with cheap electricity
- Keep the air-source heat pump filters clean - a dirty filter cuts efficiency by 10-15%
- Improve the house's insulation - every heat leak increases the pump's workload and electricity use
- Set the heat pump temperature sensibly: +20-21 °C is enough, every extra degree raises consumption by ~5%
- Look after the outdoor unit's surroundings: snow-free, unobstructed airflow improves efficiency
Frequently asked questions
How much electricity does a heat pump consume per year?
Consumption depends on the pump type: an air-source heat pump adds 2,000-4,000 kWh but saves more on heating costs. A ground source heat pump uses 5,000-8,000 kWh but replaces 15,000-25,000 kWh of direct electric heating. An air-to-water heat pump falls between the two.
Which electricity contract suits a heat pump best?
Spot pricing is almost always the best choice for a heat pump. The heat pump can pre-heat the house and the water tank during the cheapest hours, so consumption is minimal during expensive ones. Smart control automates this.
How does a heat pump's COP affect the electricity bill?
COP (Coefficient of Performance) tells you how many times more heat the pump produces compared with the electricity it uses. A COP of 3 means 1 kWh of electricity produces 3 kWh of heat. The higher the COP, the lower the bill - ground source typically has a COP of 3-4 and an air-source heat pump 2-3.
Can a heat pump be combined with spot price smart control?
Yes, and it is definitely worth doing. Most modern heat pumps support smart control, which pre-heats the house during the cheapest hours and lowers output during expensive ones. The house's thermal mass acts as a heat store - the temperature does not drop significantly within a few hours.
Is an air-source heat pump worth getting to reduce the electricity bill?
Yes, it is worth it. An air-source heat pump costs 1,500-3,000 euros installed and typically saves 300-800 euros per year in an electrically heated home. The payback time is 2-5 years. The greatest benefit is gained in autumn and spring when the frost is mild.
How does cold weather affect a heat pump's electricity use?
An air-source heat pump's efficiency drops as the cold intensifies. Below -15 °C its COP falls close to one, and below -20 °C many pumps shut down completely. Cold weather does not affect a ground source heat pump because the soil temperature stays stable all year round.