Online-Service available

Authority for the Environment, Climate, Energy and Agriculture

Report the use of renewable energies when replacing the heating system

With an online service, you can comply with the obligation to report the use of renewable energies within the meaning of the Hamburg Climate Protection Act and submit the necessary information and documents.

Important notes


No registration is required to use this service.

Documents required

  • Installation certificate from an expert organization
  • the last year's invoice for the corresponding purchase of
    • biomethane
    • bio oil

Please note

The report according to § 17 HmbKliSchG can be submitted:

  • owner,
  • commissioned management companies
  • commissioned experts.


Evidence of compliance with the obligation must be provided to the competent authority within 18 months of the commissioning of the new or replaced heating system.

Procedure & Fees


You will receive direct feedback from the online service as to whether you have fulfilled the reporting obligation.
Otherwise, contact your expert or, if this is you, contact us.

Processing time

In the online process, depending on the complexity, between 20 and 40 minutes


No fees are charged.

Legal notes

Legal basis

§ 17 Hamburg Climate Protection Act (HmbKliSchG)

Downloads & Links

Links on

Service description

If a heating system is replaced or retrofitted after June 30th, 2021, the owners of buildings are obliged to cover at least 15% of their annual heating energy requirements with renewable energies. This obligation applies to all buildings erected before January 1st, 2009.
Compliance with this obligation must be demonstrated to the competent authority. We recommend that you use the online service to submit your report. You can also provide evidence in writing; in this case, however, the calculation aids contained in the online service will no longer apply.

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Address and contact information


Authority for the Environment, Climate, Energy and Agriculture
Energy Law and Urban Energy Policy
Neuenfelder Straße 19 21109 Hamburg

Facility info

Mensch in einem Rollstuhl Accessible

We have a limited number of customer parking spaces. To reserve a parking space, please contact our receptionist by e-mail at or by telephone on +49 40 428 40 - 50 50. Our working hours are: Monday to Thursday from 8:00 a.m. to 3:15 p.m , Friday from 8 a.m. to 1:30 p.m.

Public transport

S3/S31 Wilhelmsburg, Bus 13/151/152/154/156//155/252 Inselpark

Public Service Disclaimer

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