The Berliner Energieagentur has four associates, each holding a 25% share of the company.

Consisting of about 3.4 million residents and covering approximately 900 square kilometers, Berlin is not only the most populated, but also the largest city in Germany. In 1992, the Berlin parliament initiated the base for what is today’s Berliner Energieagentur. The main reason for its foundation were to increase energy efficiency in public and private buildings as well as in the industry, trade, service and business sectors.
The main players that represent the federal city state as a shareholder in the supervisory board are the Berlin senate administration for health, environment and consumer protection and the senate administration for economy, labor and women, currently holding a quarter of the company's shares.


The GASAG AG has played a large role in Germany’s capital for over 160 years. Today, it provides natural gas to more than 700.000 customers and holds a 46% share of Berlins heating sector. The GASAG does not just supply natural gas; it also combines heat and power generation through cogeneration plants. Moreover, the use of natural gas as a fuel is gaining more and more importance as a business field. 


Vattenfall Wärme Berlin AG is the largest provider of district heating in Western Europe, providing heat to about 550.000 households in Berlin alone. It holds a 27% share of Berlins heating sector. A very modern cogeneration plant in combination with 13 thermal power plants supply households and businesses from trade and industry as well as public facilities with heat, electricity and hot water.


The KfW Bankengruppe is a development bank that supports conversion projects and promotes future-oriented ideas in Germany, Europe and the world. The activities of the KfW Bankengruppe cover the following areas: investment financing, funding support for developing countries, export and project financing, consulting and other services. By actively working in these business areas, the KfW Bankengruppe substantially contributes to climate protection and therefore a sustainable development.