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Electricity Cost CalculatorCalculate electricity consumption and electricity cost per hour, day, month and year quickly onlin…Electricity Tariff Switch Savings CalculatorCompare your current electricity tariff with a new offer using annual consumption, unit price, bas…Heating Cost CalculatorCalculate annual heating cost, monthly average cost, cost per area unit and the share of energy an…
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CO2 Cost CalculatorEstimate CO2 cost from energy consumption, emission factor and carbon price. When floor area is en…Electricity Cost CalculatorCalculate electricity consumption and electricity cost per hour, day, month and year quickly onlin…Electricity Tariff Switch Savings CalculatorCompare your current electricity tariff with a new offer using annual consumption, unit price, bas…EV vs Combustion Car Cost CalculatorCompare charging, fuel, maintenance, depreciation and total ownership cost over several years.Gas Consumption CalculatorCalculate gas consumption in kWh, annual heating cost, monthly cost and an estimated CO₂ footprint…Heat Pump CalculatorCalculate electricity consumption, annual heating cost, monthly cost and the effective heat cost o…Heat Pump, Gas or District Heating CalculatorCompare heat pump, gas heating and district heating using the same annual heat demand — including…Heating Cost CalculatorCalculate annual heating cost, monthly average cost, cost per area unit and the share of energy an…Heating Cost per Area CalculatorCalculate heating cost by floor area, per month and per year – for apartments, houses or quick uti…Photovoltaic CalculatorCalculate annual yield, self-consumption, feed-in, battery-storage effect, annual benefit and roug…Plug-in Solar CalculatorCheck whether a small plug-in solar system can pay off for your household. The calculator estimate…Solar Autonomy CalculatorEstimate how independent a PV system and optional battery can make you from grid electricity. The…Solar Battery CalculatorCheck whether a battery makes sense on top of your PV system. The calculator estimates self-consum…Solar Battery Size CalculatorFind a useful battery size for your PV system. The calculator compares smaller, suitable and large…Solar EV Charging CalculatorEstimate how much EV charging energy can come from PV surplus. The calculator derives usable solar…Solar Heat Pump CalculatorCheck how well a PV system and heat pump fit together. The calculator estimates how much heat pump…
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Reduce electricity costsUnderstand usage better and identify expensive devices faster.Understand photovoltaicsUnderstand yield, self-consumption, feed-in and payback.Evaluate solar batteriesCheck whether a battery improves economics or mainly independence.Estimate solar autonomySee how much grid electricity realistically remains with PV and battery.Charge an EV with solarUnderstand when PV surplus actually reaches the car.Compare heating systemsCompare heat pump, gas and district heating with annual cost, upfront cost and price risk.Save on heating costsUnderstand heating costs and find practical ways to reduce them.
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