Przemyslaw Komarnicki is head of the Department of Energy Systems and Infrastructures (ESI) at the Fraunhofer Institute IFF in Magdeburg and professor of electrical power systems engineering at Magdeburg-Stendal University.Dipl.-Ing. Michael Kranhold is an authorised signatory and head of the customer management grid accounting department at the transmission system operator 50Hertz Transmission GmbH in Berlin. He is a member of ETG and CIGRE.Univ. Prof. Dr. Zbigniew A. Styczynski was head of the Chair of Electrical Grids and Alternative Sources of Electrical Energy at Otto von Guericke University Magdeburg until April 2015.Preface:Prof. Dr. Antje Orths: Chief Engineer at Energinet; Convenor of ENTSO-E’s Offshore Development Core Group; Adjunct Professor of Renewable Energies/ Wind Energy; Member of the IEEE PES, the VDE and the Energy Systems Integration Group, Reston VA.

• Climate policy goals of sustainable energy supply.- Why do we need an overall energy system.- Energy consumption and CO2 emissions.- Sector coupling.- Paradigm shift caused by renewable generation.- Potentials of renewable generation.- Methodology and model construction for sector coupling.- Modeling of an overall energy system.- Hub model.- Temporal resolution of energy flows.- Substitution of energy yields.- Optimization of an overall energy system.- Energy use sectors and their energy consumption.- Energy supply and the role of hydrogen.- Net-Zero-Factory.- Electric mobility.- Optimization of an overall energy system. Optimization of an overall energy system.- Optimization of an overall energy system.- Energy use sectors and their energy consumption.- Energy supply as well as the role of hydrogen.- Net-Zero-Factory.- Electromobility.- Methodology of modelling the energy hub components.- Modelling of generation sectors.- Flexibility of an overall energy system.- Role of information and communication technology.- Perspectives of the overall energy system.

Przemyslaw Komarnicki is head of the Department of Energy Systems and Infrastructures (ESI) at the Fraunhofer Institute IFF in Magdeburg and professor of electrical power systems engineering at Magdeburg-Stendal University.Dipl.-Ing. Michael Kranhold is an authorised signatory and head of the customer management grid accounting department at the transmission system operator 50Hertz Transmission GmbH in Berlin. He is a member of ETG and CIGRE.Univ. Prof. Dr. Zbigniew A. Styczynski was head of the Chair of Electrical Grids and Alternative Sources of Electrical Energy at Otto von Guericke University Magdeburg until April 2015.Preface:Prof. Dr. Antje Orths: Chief Engineer at Energinet; Convenor of ENTSO-E’s Offshore Development Core Group; Adjunct Professor of Renewable Energies/ Wind Energy; Member of the IEEE PES, the VDE and the Energy Systems Integration Group, Reston VA.

• Climate policy goals of sustainable energy supply.- Why do we need an overall energy system.- Energy consumption and CO2 emissions.- Sector coupling.- Paradigm shift caused by renewable generation.- Potentials of renewable generation.- Methodology and model construction for sector coupling.- Modeling of an overall energy system.- Hub model.- Temporal resolution of energy flows.- Substitution of energy yields.- Optimization of an overall energy system.- Energy use sectors and their energy consumption.- Energy supply and the role of hydrogen.- Net-Zero-Factory.- Electric mobility.- Optimization of an overall energy system. Optimization of an overall energy system.- Optimization of an overall energy system.- Energy use sectors and their energy consumption.- Energy supply as well as the role of hydrogen.- Net-Zero-Factory.- Electromobility.- Methodology of modelling the energy hub components.- Modelling of generation sectors.- Flexibility of an overall energy system.- Role of information and communication technology.- Perspectives of the overall energy system.

Przemyslaw Komarnicki is head of the Department of Energy Systems and Infrastructures (ESI) at the Fraunhofer Institute IFF in Magdeburg and professor of electrical power systems engineering at Magdeburg-Stendal University.Dipl.-Ing. Michael Kranhold is an authorised signatory and head of the customer management grid accounting department at the transmission system operator 50Hertz Transmission GmbH in Berlin. He is a member of ETG and CIGRE.Univ. Prof. Dr. Zbigniew A. Styczynski was head of the Chair of Electrical Grids and Alternative Sources of Electrical Energy at Otto von Guericke University Magdeburg until April 2015.Preface:Prof. Dr. Antje Orths: Chief Engineer at Energinet; Convenor of ENTSO-E’s Offshore Development Core Group; Adjunct Professor of Renewable Energies/ Wind Energy; Member of the IEEE PES, the VDE and the Energy Systems Integration Group, Reston VA.

• Climate policy goals of sustainable energy supply.- Why do we need an overall energy system.- Energy consumption and CO2 emissions.- Sector coupling.- Paradigm shift caused by renewable generation.- Potentials of renewable generation.- Methodology and model construction for sector coupling.- Modeling of an overall energy system.- Hub model.- Temporal resolution of energy flows.- Substitution of energy yields.- Optimization of an overall energy system.- Energy use sectors and their energy consumption.- Energy supply and the role of hydrogen.- Net-Zero-Factory.- Electric mobility.- Optimization of an overall energy system. Optimization of an overall energy system.- Optimization of an overall energy system.- Energy use sectors and their energy consumption.- Energy supply as well as the role of hydrogen.- Net-Zero-Factory.- Electromobility.- Methodology of modelling the energy hub components.- Modelling of generation sectors.- Flexibility of an overall energy system.- Role of information and communication technology.- Perspectives of the overall energy system.