Apply for a grant for photovoltaic/solar systems
A grant or low-interest loan for the installation of photovoltaic or solar thermal systems, depending on the program offered by BAFA, KfW, or the state development bank.
How to proceed
- 1
Select a grant program
BAFA, KfW, or the state development bank, depending on the type of equipment and the federal state.
- 2
Submit a request before awarding the contract
Including the technical specifications of the planned facility.
- 3
Installation and Proof of Use
Once the work is complete, submit proof of proper installation.
Responsible authority
The authority of your main place of residence is responsible.Find authority →
Fees
Varies by case
Processing time
approx. 2 months
Official: max. approx. 2 months
Online application
Online possible – at the responsible authority
Common mistakes
- • Eligibility requirements have not been reconciled with those of other subsidies (e.g., feed-in tariffs)
- • Application submitted only after the contract with the installation company was signed
Common reasons for rejection
- • The application was submitted only after the installation company had been hired
- • Minimum technical requirements (e.g., efficiency) not met
You can usually file an objection against a rejection.
The essentials before applying
Who is eligible?
Owners of residential and commercial properties who wish to install a solar power system.
Income limit
The limit varies by household and region – see the table at the responsible authority or in the application assistant.
Processing time
Nationwide: approx. approx. 2 months
Success rate
approx. 70.0 % (estimate)
Most common mistakes
- •Eligibility requirements have not been reconciled with those of other subsidies (e.g., feed-in tariffs)
- •Application submitted only after the contract with the installation company was signed
Common reasons for rejection
- •The application was submitted only after the installation company had been hired
- •Minimum technical requirements (e.g., efficiency) not met
Alternatives
- Check related services in the application assistant
- Use social counselling before applying
If rejected
File a written objection within 30 days – with reasons why the decision is wrong and any missing evidence.