Solar Panel Calculator for Sweden
Rooftop solar is increasingly popular in Sweden thanks to the green-technology tax deduction and long summer days. This free solar calculator estimates your system size, payback and savings in kronor using local rates and sun hours.
Calculate my solar payback in Sweden →
Solar at a glance in Sweden
Production is very seasonal, but the tax deduction and high summer output keep lifetime returns solid.
| Currency | Swedish kronor (SEK) |
|---|---|
| Typical electricity rate | kr 2 per kWh |
| Installed cost | ≈ kr 25 per watt |
| Peak sun hours | ≈ 2.8 hours/day |
| Rooftop subsidy / credit | ≈ 20% (indicative) |
| Export / buyback | ≈ kr 1 per kWh |
Indicative 2026 starting points — every figure is editable in the calculator, and results depend on your own bill, roof and installer quotes.
A typical 5 kW system in Sweden
At around kr 25 per watt, a 5 kW rooftop system costs roughly kr 125,000 and produces about 3,986 kWh in its first year at Sweden's 2.8 peak sun hours a day. Your real numbers depend on your roof, shading, panel choice and how much power you use during the day — run your own figures in the calculator to see your exact payback, net savings and ROI.
How the solar calculator works
- Your setup. Sweden and Swedish kronor are pre-selected, with local electricity rate, install cost and sun hours filled in. Enter your monthly bill, or size the system from your appliances.
- Your roof. Search your address or tap “use my location”, then draw your roof on the satellite map — or just type its area. We check the system fits and read local sun hours from NASA data.
- Your results. Instantly see your payback period, net savings, ROI, system size, year-1 production and lifetime CO₂ offset — compare cash vs. a loan, and download a PDF report.
Common questions — solar in Sweden
How many solar panels do I need in Sweden?
It depends on your electricity use, roof space and local sun hours (about 2.8 peak sun hours/day here). A 5 kW system of high-wattage panels is a common starting point for a home — enter your bill or appliances and the calculator gives your exact panel count and system size.
Does Sweden have net metering?
Sweden uses self-consumption plus a sale of surplus to your electricity supplier, with an added tax credit on exported energy for many households. The calculator models your export value as buyback.
Are there solar subsidies or incentives in Sweden?
The green-technology deduction (grön teknik) gives an up-front tax reduction on residential solar (and more for batteries). Enter the deduction percentage in the calculator.
How much does a solar system cost in Sweden?
A typical 5 kW system is around kr 125,000 at about kr 25 per watt installed after the green-tech deduction. The calculator prices your own size.
Work out your system size
Not sure how big a system you need? These guides work back from your monthly usage:
500 kWh/month 1,000 kWh/month 1,500 kWh/month 2,000 kWh/month 2,500 kWh/month 3,000 kWh/month
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