• Sustainability at PSI

    Our ESG responsibility as a company

    Since the founding of the company in 1969, sustainability in customer projects and own processes as well as corporate social responsibility (CSR) have been of particular importance to PSI.

    In addition to environmental and social issues as well as responsible corporate governance (ESG), this includes in particular the areas of employees and customers.

"Ethical principles define our actions."

Business Ethics

We as a company can only be successful in the long term if we act ethically and legally responsible. In doing so, we not only adhere to internal and external rules, but also base our actions on common principles.

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"Responsibility determines our corporate actions."

Corporate Governance

Responsibility characterizes our actions towards our customers, employees and partners. For us, this also includes the careful use of natural resources and vigilant precautions for our environment.

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"We minimize our ecological footprint."

Environment & Products

We want to lead by example in reducing our environmental impact. This is shown, among other things, in our responsible use of energy, raw materials and manpower in the energy industry, the production and transport sectors.

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PSI supports the 17 sustainability goals of the United Nations

The 17 Sustainable Development Goals (SDGs) are political objectives of the UN that are intended to ensure sustainable development on an economic, social and ecological level worldwide. PSI and also do their part to achieve these goals.

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PSI places a special focus on sustainable energy supply and production as well as on resilient infrastructures and sustainable cities.

Affordable and clean energy

PSI network control systems for managing large electrical transmission networks have been and are continuously being expanded to include functions for the intelligent management of the feed-in of renewable energy, through which more energy can be used from renewable sources, losses in the network are minimized and the security of the supply is also increased.

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Industry, innovation and infrastructure

PSI mainly contributes to resilient infrastructures with products from the energy, traffic and public transport sectors, the solutions of which ensure that the infrastructure is used evenly and gently, and through the use of industrial artificial intelligence methods for condition assessment, prognoses and determination optimal recommendations for action contribute significantly to avoiding failures.

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Sustainable cities and communities

PSI contributes to sustainable cities and municipalities with solutions in the public transport sector for efficient local transport networks and depots, with depot management being particularly important, as the charging infrastructure for electric buses is integrated and controlled here.

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Responsible consumption and production

PSI products for the manufacturing industry support new types of production that are characterized by flexible, decentralized manufacturing methods (swarm manufacturing) and enable the sustainable production of even small numbers of innovative products. One example is the production of innovative electric vehicles.

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"Transparency, fairness & respect form the foundation of our successful community."


We see the diversity of our employees as our greatest strength. We use this potential to create new, innovative and creative solutions with our individual skills. Together we contribute to a collegial cooperation that is characterized by mutual respect.

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"High standards in our business relationships ensure sustainable cooperation."

Customers & Suppliers

It is important to us that not only do we act sustainably, but that our suppliers also meet our standards. We also rely on long-term customer relationships for the long-term positive economic development of our company.

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"We take our social responsibility seriously and promote sustainable development."

Social Commitment

As a global company, we are aware of our social responsibility and the importance of giving back to society to the best of our ability. We have therefore been committed to various social causes for many years.

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Our contribution to a sustainable environment

Resource-saving maintenance processes

Optimized maintenance processes for electrical networks can reduce resource consumption and CO2 emissions by 15 % thanks to PSIcommand and PSIqualicision.

Electricity from hydropower

In 2020, all of the electricity PSI bought in Germany was generated in Norwegian hydropower plants.In addition, PSI in Aschaffenburg generates electricity by means of combined heat and power.PSI has been buying mainly electricity from hydropower since 2015 - and since 2019 only.

Bus depot with electrical infrastructure

In Hamburg's first purely electric bus depot, the e-buses are scheduled and charged with PSIebus. In the first two years they covered more than 3.5 million kilometers and saved around 4,500 tons of CO2.

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Award for top climate commitment

In a study conducted and published by FOCUS magazine and the sustainability initiative For Our Planet, the PSI Group was once again recognized as one of the German companies with top climate commitment.

A total of 216 companies were honored for their top climate commitment, including 14 companies in the EDP and IT industry group, among which only PSI and one other company were rated "excellent" in all four dimensions.

Seal of quality for sustainability

Since 2014, PSI has been awarded the DZ Bank Seal of Quality for Sustainability.

Carbon Disclosure Project

PSI has been participating in the Carbon Disclosure Project (CDP) since 2011 and achieved a Climate Change Score of B- and a Supplier Engagement Rating of A- in 2021, which is an improvement on the previous year.