Berliner Stadtwerke

Berliner Stadtwerke is an energy provider and project developer focused on Berlin and the surrounding region. Its website presents the company’s work as part of the energy transition and emphasizes electricity from demonstrably renewable sources. It offers green electricity tariffs to private and business customers, and its site also features heat-pump and tenant-electricity services. Availability of tenant-electricity tariffs can depend on the address provided. The company’s stated activity extends beyond retail supply to local and regional renewable-energy projects. Its homepage highlights the Albertshof wind farm, whose nine turbines have a combined capacity of 31.05 MW; the company says they generate renewable electricity for around 31,000 households. The site also reports €172 million in total investments since 2014, 122,563 MWh of renewable electricity generated in 2025, and 219,600 tonnes of CO₂ savings attributed to its projects. These figures are presented as company-reported website metrics. The supplied evidence does not establish the company’s founding date, headquarters address, ownership, parent company, or listing status. Its public-facing positioning is local: the website describes its work as beneficial both to customers and to Berlin, with a focus on renewable supply and projects in the city and region.

The supplied evidence does not give a founding date or a detailed corporate history for Berliner Stadtwerke. Its homepage describes the company’s present-day work in the context of the energy transition, combining renewable electricity supply with projects in Berlin and the surrounding region. The company reports total investments of €172 million since 2014. This establishes 2014 as the starting point for that cumulative investment figure, but does not by itself establish when the company was founded or when any particular project began. The website also highlights the Albertshof wind farm. It describes nine turbines with a combined capacity of 31.05 MW and says the site generates renewable electricity for around 31,000 households. The supplied homepage does not specify the wind farm’s commissioning date. The homepage gives a 2025 renewable-generation figure of 122,563 MWh and attributes 219,600 tonnes of CO₂ savings to the company’s projects. It also presents green electricity tariffs for private and business customers, alongside information about tenant electricity and heat pumps. The site notes that tenant-electricity availability may vary by address. No evidence supplied here establishes ownership, parent-company relationships, leadership changes, acquisitions, or other dated corporate events.

• 2025

  The homepage reports 122,563 MWh of renewable electricity generated in 2025.

• 2014

  The company reports €172 million in cumulative total investments since 2014.

A Berlin-focused energy provider and project developer promoting renewable electricity and regional clean-energy projects.

• Renewable electricity tariffs

  The website offers green electricity tariffs based on 100% renewable energy to private and business customers.

• Tenant electricity

  The website presents tenant electricity as an offering, noting that availability can depend on the address.

• Heat-pump services

  Heat pumps are listed among the services featured on the company homepage.

1. 1Berliner Stadtwerke | Diese Energie hat nur Berlinberlinerstadtwerke.de