Energy Calculators
Photovoltaics, heat pump, solar power, electricity costs and energy savings – energy calculators for households in Germany.
Electricity Cost Calculator
Calculate the electricity costs for individual devices or the entire household per year. With current 2026 electricity prices, subsidies and comparison values.
Open calculatorElectricity Consumption Calculator 2026 — kWh per Year
How many kWh does your German household use? Average 2026: 1-person 1,500 kWh, 4-person 4,000 kWh. Compare with average and find savings at 36 ct/kWh.
Open calculatorGas Consumption Calculator
Calculate your gas consumption and annual gas costs. Convert cubic meters to kilowatt hours. With current 2026 electricity prices, subsidies and comparison.
Open calculatorElectricity Calculator
General electricity calculator for consumption, costs and provider switching. With savings tips. Free online tool, includes 2026 reference values and savings.
Open calculatorPhotovoltaic Calculator
Calculate the yield and profitability of your solar system. With self-consumption, feed-in tariff and payback period. With current 2026 electricity prices,.
Open calculatorHeat Pump Cost Calculator 2026 — BEG Subsidy up to 70%
Calculate heat pump costs (air, ground, water): annual electricity ~3000 kWh, BEG subsidy 30-70% (max 30,000 € eligible). Compare with gas heating ROI.
Open calculatorLED Watt Calculator
Find the right LED light as a replacement for your old bulb. Watt comparison and savings. Free online tool, includes 2026 reference values and savings.
Open calculatorVolt-Watt-Ampere Calculator
Convert between volts, watts and amperes. For calculating electrical power. With current 2026 electricity prices, subsidies and comparison values.
Open calculatorAir Conditioning Calculator
Calculate the required cooling capacity and electricity costs of an air conditioner for your room. Free online tool, includes 2026 reference values and savings.
Open calculatorCO2 Footprint Calculator
Calculate your personal CO2 footprint. Transport, housing, diet and consumption. With current 2026 electricity prices, subsidies and comparison values.
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