How many companies in the “Solar systems – installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 1,800 companies in the “Solar systems – installation” industry in Germany (October 2026). The total number of companies in the “Solar systems – installation” industry in Germany is therefore at least 1,800. Most are located in Bavaria (470), Baden-Württemberg (305), North Rhine-Westphalia (251).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| Bavaria | 470 | 26% | 3.5 |
| Baden-Württemberg | 305 | 17% | 2.7 |
| North Rhine-Westphalia | 251 | 14% | 1.4 |
| Lower Saxony | 189 | 10% | 2.3 |
| Hesse | 113 | 6% | 1.8 |
| Saxony | 91 | 5% | 2.2 |
| Rhineland-Palatinate | 77 | 4% | 1.9 |
| Brandenburg | 61 | 3% | 2.4 |
| Schleswig-Holstein | 57 | 3% | 1.9 |
| Berlin | 47 | 3% | 1.2 |
| Hamburg | 45 | 2% | 2.4 |
| Saxony-Anhalt | 32 | 2% | 1.5 |
| Mecklenburg-Western Pomerania | 30 | 2% | 1.8 |
| Thuringia | 30 | 2% | 1.4 |
| Saarland | 21 | 1% | 2.1 |
| Bremen | 15 | 1% | 2.1 |
| Germany | 1,843 | 100% | 2.2 |
Cities with the most companies in the “Solar systems – installation” industry
Digitalization
46% of companies in the “Solar systems – installation” industry have no website of their own.
Related industries
- Landscaping and gardening28,973
- Building and civil engineering50,053
- Electrical installation40,069
- Metal construction19,103
- Painting and decorating business25,332
- Heating, air conditioning and ventilation – installation23,819
- Building construction51,859
- Plumbing and sheet metal work22,835
- Fuels – retail11,219
- Heating installation25,024
- Flooring installation18,788
- Civil engineering57,939
- Interior finishing17,249
- Paint shop10,385
- Plumbing installation27,671
- Timber construction (carpentry)13,351
Frequently asked questions
How many companies in the “Solar systems – installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 1,800 companies in the “Solar systems – installation” industry in Germany (October 2026). The total number of companies in the “Solar systems – installation” industry in Germany is therefore at least 1,800. Most are located in Bavaria (470), Baden-Württemberg (305), North Rhine-Westphalia (251).
Which German cities have the most companies in the “Solar systems – installation” industry?
Berlin (47), Hamburg (45), Munich (17), Bremen (15), Döbeln (14).
How many companies in the “Solar systems – installation” industry in Germany have a website?
54% have their own website, 51% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 18, 2026. Businesses in liquidation or with a recognizable closure are not counted.
Cite this number
The B2B database of dieanalysten GmbH alone lists more than 1,800 companies in the “Solar systems – installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.dieanalysten.com/en/statistics/solar-systems-installation).
The statistics are licensed under CC BY 4.0: free to use, including commercially, with attribution “dieanalysten” and a link.
Method: businesses in the database of dieanalysten GmbH minus a 5% safety margin; businesses in liquidation or with a recognizable closure are excluded. See methodology. As of October 18, 2026.