Matthias Eichelbrönner

Renewable Energy
Battery Technology
Project Finance

Matthias Eichelbrönner advises companies, investores and institutions in matters of project development, financing, implementation and operation of renewable energies projects. Based on 25 years of expericence his consultation includes issues related to engineering, feasibility studies as well as the financeability of projects and related due diligence of projects transactions or project restructuring.

He focuses on bioenergy, solar energy, hydro power and wind power as well as storage technologies for customers in Germany and Europe. In addition, he is operating in Asia.

Matthias Eichelbrönner founded together with Dipl.-Ing. (FH) Daniel Heiler the company E.Quadrat GmbH in the year 2006. Since 2011 he is Visiting Professor for Renewable Energies at University of Applied Sciences Mannheim.


Since 10/2011
Visiting Professor for Renewable Energies, University of Applied Sciences Mannheim
01/2008 - 01/2010
Interimsmanagement Technical Director Europe, EPV Solar Inc., USA
Founder E.Quadrat GmbH, Mannheim
07/2004 – 10/2005
Managing Director, MVV BioPower GmbH, Mannheim
06/2003 –10/2005
Supervisory Board, Biomasse Rhein-Main GmbH, Flörsheim
10/2001 – 12/2004
Managing Director, MVV Erneuerbare Energien GmbH
05/2000 – 10/2001
Technical Advisor to CTO, MVV Energie AG
04/1997 – 04/2000
Foundation and Management, German BioEnergy Association, Bonn
Doctoral Degree Engineering, Technical University Berlin
01/1990 – 03/1997
Officer Renewable Energies and Energy Efficiency, Forum für Zukunftsenergien e. V., Berlin
08/1987 – 12/1989
Project Engineer, Solar-Wasserstoff-Bayern GmbH, Munich
05/1986 – 08/1987
Research associate, Research Center for Energy Economics, Munich
Master of electrical engineering, Technical University Munich

Dipl.-Ing. (FH)
Jürgen Petroll

Energy efficiency
Project management
Energy strategies

Jürgen Petroll works for more than 20 years in the energy sector. He focuses on the designing/ planning of generation assets in the field of district heating, bioenergy, combined heat and power generation, supervision and implementation of energy efficiency provisions as well as advising on question of energy management (provision of fuel, contracting, project financing). Based on his experience he assisted key accounts as well as the public sector in realizing projects over the past years.


Since 2015
Managing Partner, E.Quadrat GmbH, Mannheim
2008 - 2015
Owner, Petroll Projektmanagement - Energiedienstleitung- und Beratung, Heidelberg
2006 - 2008
Project manager, Imtech Contracting GmbH & Co. KG, Heidelberg
2002 - 2006
Project manager, STEAG Energie-Contracting GmbH, Heidelberg
2000 - 2002
Head of project, STEAG Energie-Contracting GmbH, Heidelberg
1998 - 2000
Project engineer, Mainova AG, Frankfurt
1994 - 1998
Project engineer / head of project, Engineering consultants Lorentzen, Frankfurt
Dipl.- Ing. (FH) power & thermal engineering, university of applied science Gießen-Friedberg, Germany

Prof. Dr.-Ing.
Wolfgang Kottnik

Energy efficiency and smart grids
Power plant technology
Reviewer of energy services act

After more than 40 years of professional life Prof Wolfgang Kottnik has gained a varied experience, which he uses as consultant to industry as well as for his job as lecturer. Within the scope of his teaching activity at the University of Applied Sciences Mannheim he was involved in several research projects with industrial enterprises ("model city Mannheim": smart grid project, "future fleet": electric mobility, and "energy bank": local energy storage in the grid). He is accredited as energy auditor for carrying out energy audits in compliance with the energy services act according to BAFA.


Since 01/2015
Partner, E.Quadrat, Mannheim
04/2002 - 02/2015
Professor of higher education for energy economics, power plant technology, energy efficiency and project managment, University of Applied Sciences Mannheim
01/1995 - 03/2002
Professor of higher education for energy economics and project management, University of Applied Sciences, Flensburg
01/1988 - 12/1994
Layout engineer and head of project for huge national and international power plant projects, STEAG AG, Essen
09/1974 - 12/1987
Layout engineer for national and international power plant development/ construction and operation, RWE AG , operating globally

Dipl.-Ing. (FH)
Daniel Heiler

Fern- und Nahwärmenetze
Regelenergie und Speicher

Daniel Heiler founded together with Dr. Matthias Eichelbrönner the company E.Quadrat GmbH in the year 2006. After conducting some projects in the fields of biogas and bioenergy, Mr. Heiler was engaged in a deep geothermal project near Munich, where he is still active as an adviser. The project also comprises a district heating system with a length of some 60 km (trace) for a small city. Mr. Heiler has been gaining the expertise therefore while working more than 30 years with district heating systems, abroad and in Germany. Additionally to that Mr. Heiler gained skills concerning balancing power, especially connected with Power to Heat facilities. He is also specialized in solar heat in combination with district heating, as well as preparation of heating and cooling concepts in combination with renewable energies.


Since 12/2011
Adviser for district heating and energy concepts (heating and cooling) inclusive implementation and survey of projects, Bosch EBS, Heidleberg
07/2008 - 11/2011
Managing Director, Astherm group, Oberhaching-München; develeopment of a deep geothermal project till start of the drilling process, including a district heating concept; development and impelemntation of an interconnection to a neighbouring geothermal project
Founder of E.Quadrat GmbH, Mannheim
10/2002 - 09/2005
Member of the Board, MVV Polska, Warsaw
08/1998 - 10/2002
Founder & technical director, MVV ESCO Polska, Warsaw
07/1995 - 08/1998
Project manager, MVV Consulting, East Europe
02/1992 - 07/1995
Vice department leader heat generation and heat economy, MVV Mannheim
09/1986 - 02/1992
Department basic design: development of compact heating stations and district heating valves & AGFW association work, MVV Mannheim
02/1983 - 09/1986
Project engineer for heating, ventilation and air conditioning, Süba, Hockenheim
Dipl. - Ing. (FH) for supply techniques, university of applied science Esslingen