Master Your Electricity Costs
Real-time spot price integration, comprehensive cost breakdowns, and intelligent energy management tools for Swedish households and businesses.
Real-time
Nord Pool Integration
4+
Specialized Calculators
100%
Free & Open
Live spot price
Powerful Features
Real-time Spot Prices
Live Swedish day-ahead electricity prices per price area. Automatically refreshed and cached for fast results.
Detailed Breakdowns
Complete cost analysis including transmission fees, supplier costs, VAT, and energy taxes. Understand every öre of your bill.
Calculation History
Save and track all your calculations. Compare scenarios, export results as JSON, and build your energy baseline.
Mobile Optimized
Fully responsive design works seamlessly on phones, tablets, and desktops. Calculate on the go, anytime.
Specialized Calculators
Electricity Cost
Calculate your total electricity costs including spot price, transmission fees, supplier costs, VAT, and energy taxes.
CalculateEnergy Usage
Estimate household energy consumption by adding your devices, then see monthly and yearly cost.
AnalyzeSauna Cost
Calculate session costs for electric saunas with preset profiles (6-15 kW). Track annual spending and optimize usage.
EstimateEV Charging
Pick your car or enter your own battery capacity to see the full cost of charging at home or on the road.
ChargeCheapest hours
Find the cheapest window to charge the car or run the dryer, from live 15-minute spot prices.
Plan my hoursMy places
Build a full picture of every place you pay electricity for — house, guest house, cabin or boat — room by room and floor by floor.
OpenMeet WattWise
Your intelligent energy expert assistant. Ask WattWise anything about electricity costs, renewable energy, heat pumps, solar panels, battery storage, and energy efficiency — tailored to the Swedish market.
- Expert advice on renewable energy and heating solutions
- Understand electricity costs and market dynamics
- Learn about solar, heat pumps, geothermal, and batteries
- Available 24/7 — no login required
Vad vill du veta? 😊
Tell me about heat pumps
Heat pumps are excellent for reducing electricity costs! They deliver 3–4x more heat energy than they consume. 🔥
Ready to Take Control of Your Electricity Costs?
Start calculating, analyzing, and optimizing your energy usage today. All tools are free and require no registration.
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