Analysis design and optimization of a power to gas system with District Heating implementation




Greater Copenhagen area

P2G (Power to Gas) is a technology that converts power to fuel and therefore can be utilized as an alternative way of electricity storage. When electricity prices are low, power from wind energy can be converted into hydrogen by means of an electrolyzer. The produced hydrogen together with CO2 can then be reformatted into CH4 through a methanation process. Methane is very similar to natural gas and therefore it can easily be supplied to the gas grid.

In this project, an Alkaline and a SOEC electrolyzer will be used to study the performance comparison of the two systems from thermodynamic as well as economic view. In both systems a methanator will be added to study the fuel production (besides hydrogen). Thus there is a need for improvement that can be achieved by using district heating in the system.

This project should investigate the potential and feasibility for implementing district heating into the process in order to improve system efficiency. This shall be done from energy and economical viewpoints.

Co-supervisor: from DONG Energy

In collaboration with

DONG Energy

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Company / Organization

DTU Mekanik


Marvin Mikael Rokni




Supervisor info

MSc in Sustainable Energy


Marvin Mikael Rokni

ECTS credits



MSc thesis

Must be completed

Advanced power Plants

Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.

Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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