SIEMENS

Press

Munich, July 30 2025

Siemens Technology Halves Energy Consumption at Berlin State Library

Siemens has technically modernized the Staatsbibliothek zu Berlin (Berlin State Library) to slash the facility's energy consumption, lower its CO2 emissions, and better protect valuable cultural assets. Siemens installed intelligent building technology that reduces energy consumption by 52 percent and saves 3,745 tons of CO2 annually. The new technology ensures stable temperature and humidity levels throughout the building, essential for preserving the library's more than 32 million media items over the long term. The project costs, around €20 million, are fully covered by guaranteed savings in energy costs. This is made possible through energy savings contracting, a service Siemens offers to public and private customers.

The Staatsbibliothek zu Berlin project is part of Siemens' ongoing collaboration with Berlin's cultural buildings, which began in 2014. The library's Potsdamer Strasse building is a protected historic complex covering approximately 106,000 square meters of gross floor area. As part of the federal government's decarbonization program, the Siemens project contributes to the program's 2030 target of reducing CO2 emissions from state buildings by 65 percent compared to 1990 levels.

Installed Technologies

New technologies installed by Siemens include the Desigo building automation system, room operator units, sensors, and a cloud-based energy and asset management platform. Ventilation is optimized through flexible systems for heating, ventilation, and air conditioning. Additionally, 5,300 LED lights consume up to 80 percent less electricity than the building's previous conventional lighting.

Energy Savings and Modernization Projects

Over the years, Siemens has modernized seven major cultural sites in Berlin, including the Neue Nationalgalerie. Between 2014 and 2024, approximately €25 million in energy costs were saved, and 3,745 tons of CO2 emissions were avoided annually.

Contact Information

For journalists:
Siemens AG
Eva-Maria Baumann
Phone: +49 (174) 2358997
Email: eva-maria.baumann@siemens.com

Follow us at www.x.com/siemens_press

About Siemens AG

Siemens AG (Berlin and Munich) is a leading technology company focused on industry, infrastructure, mobility, and healthcare. The company's purpose is to create technology to transform the everyday, for everyone. By combining the real and the digital worlds, Siemens empowers customers to accelerate their digital and sustainability transformations, making factories more efficient, cities more livable, and transportation more sustainable. A leader in industrial AI, Siemens leverages its deep domain know-how to apply AI – including generative AI – to real-world applications, making AI accessible and impactful for customers across diverse industries. Siemens also owns a majority stake in the publicly listed company Siemens Healthineers, a leading global medical technology provider pioneering breakthroughs in healthcare. For everyone. Everywhere. Sustainably.

In fiscal 2024, which ended on September 30, 2024, the Siemens Group generated revenue of €75.9 billion and net income of €9.0 billion. As of September 30, 2024, the company employed around 312,000 people worldwide on the basis of continuing operations. Further information is available on the Internet at www.siemens.com.

Company Details

Siemens AG
Communications
Head: Christiane Ribeiro
Reference number: HQCOPR202507287209EN

Werner-von-Siemens-Strasse 1
80333 Munich
Germany

This press release is available at: https://sie.ag/7GRcMz

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