Hamburg Investment and Development Bank (IFB)

Apply for a renewable energy subsidy

The Hamburg Investment and Development Bank (IFB Hamburg) provides subsidies for measures that increase the share of renewable energies in the heating supply of buildings.

Use Online-Service

eApplication portal of the IFB Hamburg

Detailed description

The promotion of renewable energy for heating buildings is intended to help reduce carbon dioxide (CO₂) emissions in the long term. If you want to make your home or property more environmentally friendly, you can receive a government subsidy. This means you will receive money if you install certain heat-generating systems that use renewable energy. For example, there are subsidies for:

  • Solar thermal systems from 20 m²,
  • Bioenergy plants,
  • heat pumps,
  • Geothermal energy (geothermal energy),
  • PVT systems (combination of photovoltaics and solar thermal energy)
  • Heat recovery from wastewater,
  • heat distribution networks,
  • heat storage,
  • or if you use areas multiple times, for example for the generation of heat from renewable sources

This protects the environment and the climate.



You can receive a maximum grant of EUR 500,000 per project. This maximum amount applies to projects receiving funding from a single module as well as to projects receiving funding from multiple modules of this funding program. For more detailed information on the individual measures, please refer to the funding program.

 

Information

Prerequisites

  • The building to be supplied with eligible renewable heat is located in Hamburg.
  • You are the landowner or have the right to dispose of the property.
  • The systems to be installed meet the technical requirements, which you can find in the funding program.

Documents required

  • Proof of identity of the builder (e.g. identity card)
  • Proof of ownership (usually the current land register extract)
  • Official site plan (cadastral map)
  • Cost estimates
  • Project description (except for single-family houses / two-family houses)
  • For new construction projects: Proof of transmission heat loss of the building envelope
  • Self-declaration of the SME definition (only for companies, freelancers and self-employed applicants)

Additional systems for subsidizing solar collector systems:

  • Documentation of the solar simulation

Additional systems for heat pump subsidies:

  • Calculation of the annual performance factor

Additional facilities for the promotion of biomass plants:

  • Hydraulic standard circuit of the publication series “Quality Management – Wood Heating Plants”

Additional facilities for the promotion of heat distribution networks:

  • Energetic concept
  • Economic viability calculation

Please note

You may only begin the project after funding has been approved. A project is considered to have begun once you have concluded supply and service contracts.



Only in urgent exceptional cases may you begin your project earlier. Please coordinate this with the Hamburg Investment and Development Bank in advance.

Deadlines

You must submit any missing documents within three months. Otherwise, your application may be rejected. Once you receive approval, you have 24 months to implement your project.

Procedure

  • You contact the Hamburg Investment and Development Bank and seek advice.
    • by phone: 040 248 46-208
    • by email: energie@ifbhh.de
  • You submit your funding application online via the e-application portal of the Hamburg Investment and Development Bank.
    • Alternatively, you can submit your application by mail. Use the form provided.
  • After successful examination you will receive an approval.
  • Only after receiving the permit can you start your project and commission tradesmen.
  • The funding will be paid after the measures have been implemented and proof of use has been submitted.

Processing time

The processing time depends on the individual case. There is no statutory processing time for the funding program.

Fees

No

Legal remedies

An appeal against the decision is permitted within one month.

Legal basis

Title: Renewable Heat Funding Guideline


https://www.ifbhh.de/api/services/document/4312

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Keywords: Climate protection Investment grants Resource protection Support program for companies Heat check Efficiency offensive Resource control Server room check Solar systems solar thermal promotion Renewable energies - funding programs low emissions CO2 savings Efficiency check EnergieSystemCeck Renewable energy geothermal bioenergy heating modernization heat pumps heat accumulator heat supply heat networks heat from waste water pellet heating

Last updated: 05.06.2026