How many companies in the “Solar systems – installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 2,300 companies in the “Solar systems – installation” industry in Germany (October 2026). Most are located in Bavaria (596), Baden-Württemberg (410), North Rhine-Westphalia (329).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| Bavaria | 596 | 25% | 4.5 |
| Baden-Württemberg | 410 | 17% | 3.6 |
| North Rhine-Westphalia | 329 | 14% | 1.8 |
| Lower Saxony | 257 | 11% | 3.2 |
| Hesse | 149 | 6% | 2.3 |
| Saxony | 111 | 5% | 2.7 |
| Rhineland-Palatinate | 106 | 4% | 2.5 |
| Schleswig-Holstein | 78 | 3% | 2.6 |
| Brandenburg | 71 | 3% | 2.8 |
| Berlin | 66 | 3% | 1.7 |
| Hamburg | 49 | 2% | 2.6 |
| Saxony-Anhalt | 42 | 2% | 1.9 |
| Mecklenburg-Western Pomerania | 40 | 2% | 2.5 |
| Thuringia | 40 | 2% | 1.9 |
| Saarland | 27 | 1% | 2.7 |
| Bremen | 16 | 1% | 2.3 |
| Germany | 2,395 | 100% | 2.8 |
Cities with the most companies in the “Solar systems – installation” industry
Digitalization
41% of companies in the “Solar systems – installation” industry have no website of their own.
Related industries
- Landscaping and gardening41,940
- Building and civil engineering69,028
- Electrical installation47,519
- Metal construction22,799
- Fuels – retail16,723
- Heating, air conditioning and ventilation – installation30,677
- Plumbing and sheet metal work29,102
- Painting and decorating business28,253
- Building construction69,071
- Civil engineering72,629
- Heating installation30,909
- Flooring installation23,069
- Paint shop12,026
- Interior finishing20,095
- Timber construction (carpentry)16,368
- Plumbing installation32,029
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 2,300 companies in the “Solar systems – installation” industry in Germany (October 2026). Most are located in Bavaria (596), Baden-Württemberg (410), North Rhine-Westphalia (329).
Which German cities have the most companies in the “Solar systems – installation” industry?
Berlin (66), Hamburg (50), Munich (19), Hanover (17), Bremen (16).
How many companies in the “Solar systems – installation” industry in Germany have a website?
59% have their own website, 38% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 10, 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 2,300 companies in the “Solar systems – installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://adressen.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 10, 2026.