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CO2 price calculator: heating & fuel 2026/2027
The national CO2 price makes fossil heating and fuel more expensive. For 2027 the Bundestag kept the price corridor of €55–65 per tonne (vote on 15 October 2026). Enter your annual consumption to see the CO2 share of your costs.
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🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.
How to use it
- Choose the energy source.
- Enter your annual consumption (from your gas or oil bill, or litres of fuel per year).
- Read the CO2 emissions and the CO2 cost at €55 and €65 per tonne.
Last checked: October 2026 · Based on: German Fuel Emissions Trading Act (BEHG), UBA emission factors. Found a mistake? Use the form below – we fix confirmed errors and update the date.
Frequently asked questions
How much is the CO2 price in 2027?
The Bundestag kept the corridor of €55 to €65 per tonne for 2027, the same as in 2026.
Do tenants pay the full CO2 price?
No. Under the CO2 Cost Allocation Act, landlords bear a share that grows the worse the building's energy efficiency is.