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Applying for approval to modify an installation for the generation of electricity from renewable energies (repowering)
If you intend to make changes to a system that requires approval and generates electricity from renewable energies, you must apply for approval from the responsible authority.
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Basic information
Do you operate an installation that requires approval under immission control legislation, for which you already have approval under immission control legislation, and are you planning to carry out repowering measures on this installation?
Repowering measures serve to modernize an installation for the purpose of generating electricity from renewable energies.
This repowering measure can have adverse effects in relation to the current state of the installation. If these are significant for the approval requirements of the installation requiring approval, a modification permit is required.
Therefore, corresponding changes to installations requiring approval must be reviewed by the immission control authority. To do this, you must submit an application for a modification permit and submit all the documents required for the assessment. The application can be made in writing or electronically.
Requirements
- You must prove that you will comply with the obligations of the Federal Immission Control Act when constructing and operating a plant.
- No other public law regulations or occupational health and safety concerns stand in the way of the project.
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Procedure
- You sign and submit the above documents to the authority
- The competent authority confirms receipt of the documents and informs you which additional documents it requires to assess the requirements.
- The public and public agencies will be involved.
- You can only start work on your project once you have received the permit.
Online application:
- You will find the link to the online service "ELiA-Online - Elektronische immissionsschutzrechtliche Antragstellung" under "Further information".
- Please log in with your access data via the Gemeinsam-Online service account or register first.
- ELiA-Online is a form-based online service that can also be used to attach additional documents (expert reports, drawings, etc.) to the application or notification using the upload function.
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Necessary Documents
- ELiA forms
- (Electronic immission control application), available on the website of the Trade Supervisory Authority of the State of Bremen
- Required drawings, plans or expert opinions
- Explanatory notes on the system
- Other documents
- If necessary, ask the competent authority
- ELiA forms
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Competent Department
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State of Bremen Trade Inspectorate | Based in Bremen Gewerbeaufsicht des Landes Bremen | Dienstort Bremen
- +49 421 361 6260
- Parkstraße 58-60, 28209 Bremen
- Website
- office
@gewerbeaufsicht. bremen. de
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State of Bremen Trade Inspectorate | Bremerhaven Office Gewerbeaufsicht des Landes Bremen | Dienstort Bremerhaven
- 0471 596132-70
- Lange Straße 119, 27580 Bremerhaven
- Website
- office
@gewerbeaufsicht. bremen. de
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Online Services
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ELiA-Online - Electronic application under immission control law
You would like to construct or modify an installation that requires a permit. Then you can create the necessary applications or notifications digitally here in the "ELiA-Online" online service and submit them to the responsible authority.
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Fees / Costs
The fees depend on the individual case. They are based on the Environmental Administration Cost Ordinance (UmwKostV).
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Deadlines & processing time
What deadlines must be paid attention to?
You must apply for the changes to the system before they are implemented.
How long does it take to process
3 months to 7 months
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Legal Bases
- § 16b Bundes-Immissionsschutzgesetz (BImSchG)
- 4. Bundesimmissionsschutzverordnung (4. BImSchV)
- Kostenverordnung der Umweltverwaltung (UmwKostV)
- Section 16b of the Federal Clean Air Act (BImSchG)
- Environmental Administration Costs Regulation (UmwKostV)
- 4th Federal Ordinance on the Control of Air Pollution (4th BImSchV)
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More Information
This page has been automatically translated by DeepL. We cannot guarantee that the translation is correct.
The official information in German is complete and correct.
Updated on 23.09.2026