Guide
Electricity contract aurinkopaneeleille 2026
Solar panels significantly change the dynamics of an electricity contract. Net consumption - electricity bought from the grid minus solar power production - is typically 2,000-8,000 kWh per year depending on the size of the panels and the home's total consumption. Spot pricing is the best partner for solar panels: you buy electricity cheaply when the sun is absent and sell the surplus to the grid at the spot price.
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Find the best contract aurinkopaneeleille
Typical consumption
2,000-8,000 kWh/yr
Recommended contract
Spot price
Which electricity contract suits aurinkopaneeleille?
Spot price
Spot pricing is by far the best choice with solar panels. Surplus electricity is sold at the spot price and the missing electricity is bought during the cheapest hours. The overall economics is at its best in summer when production is high and spot prices peak during the day.
Fixed electricity contract
A fixed contract does not exploit the benefit of solar panels as effectively. The selling price of surplus electricity remains lower, and you cannot optimise purchases to the cheapest hours. The return on the solar panel investment is weaker with a fixed contract.
Estimated annual cost - aurinkopaneelit
The estimate is based on average consumption (5,000 kWh/yr). The spot-price estimate is based on a 12-month average price of 7.5 c/kWh (incl. VAT).
Spot (Aalto Energia)
~400 EUR/yr
incl. spot 7.5 c/kWh + margin
Fixed (Vihreä Älyenergia)
~530 EUR/yr
fixed total price
Saving tips - aurinkopaneelit
- Maximise self-consumption: run home appliances during the day when the panels produce most
- Schedule the hot water tank's heating for midday during sunny hours
- Consider a home battery - it raises self-consumption and reduces the need for purchased electricity
- Keep the panels clean: snow, leaves and dust can cut output by 10-20%
- Track production and consumption in real time - many inverters offer a mobile app
- Size the system correctly: an oversized system produces a lot of surplus whose selling price is lower than the purchase price
Frequently asked questions
How do solar panels affect the choice of electricity contract?
Solar panels make spot pricing especially worthwhile. In summer the panels produce most of the electricity and the surplus is sold to the grid at the spot price. In winter you buy electricity at the cheapest hours. A fixed contract does not enable the sale of surplus as effectively.
How much do solar panels reduce the electricity bill?
A typical 10 kWp solar panel system produces 8,000-10,000 kWh per year in southern Finland. If your own consumption is 15,000 kWh, the panels cover about 30-50% of it directly. The saving is 500-1,500 euros a year depending on the price of electricity and the self-consumption rate.
What is the best electricity contract for solar panels?
Spot pricing is overwhelmingly the best choice. You get compensation for the surplus at the spot price and buy the missing electricity at hourly rates. On summer days the spot price is often highest exactly when the panels produce the most - so the sales income is at its peak.
Is a battery worth getting along with solar panels?
A home battery (5-15 kWh) raises the self-consumption rate by 20-40 percentage points. The battery stores daytime surplus for evening use. Financially the battery does not always yet pay itself back - the payback time is 8-15 years. Battery prices, however, have fallen year on year and the investment is becoming more sensible.
How does selling surplus electricity work?
Surplus electricity is automatically fed into the grid, and the electricity company pays for it at the hourly spot price minus a selling margin (typically 0.2-0.5 c/kWh). The compensation appears on the electricity bill as a credit. Note that the selling price does not include electricity tax or transmission fees - you buy electricity at a higher price than you sell.
How do I optimise electricity use with solar panels?
Maximise self-consumption: run the washing machine, dishwasher and hot water tank during the day when the panels are producing. Schedule electric car charging for sunny hours. The more of your own production you consume directly, the less you buy from the grid and the better the overall economics.