Alemayehu Gebremedhin
Department of Technology and Management
Gjøvik University College
N-2802 Gjøvik
Phone: +47 61 13 51 74
Mail: alemayehug@hig.no

Research area



Research area

Renewable energy/bioenergy, system analysis, district heating, optimisation/simulation, modelling, energy conservation


Journal papers

Jingjing Yang, Leteng Lin, Mario Morgalla, Alemayehu Gebremedhin, and Michael Strand. High-Temperature Characterization of Inorganic Particles and Vapors in a Circulating Fluidized Bed Boiler Cofiring Wood and Rubber Waste. Energy Fuels, 2015, 29 (2), pp 863–871 

Dejene Assefa Hagos, Alemayehu Gebremedhin, and TorjusFolslandBolkesjø, Comparing the value of bioenergy in the heating and transport sectors of an electricity-intensive energy system in Norway, Energy Policy 85(2015)386–396

Dejene Assefa Hagos, Alemayehu Gebremedhin, and Björn Zethraeus, “Solar Water Heating as a Potential Source for Inland Norway Energy Mix,” Journal of Renewable Energy, vol. 2014, Article ID 968320, 11 pages, 2014.

Dejene Assefa Hagos , Alemayehu Gebremedhin , Björn Zethraeus . Towards a flexible energy system – A case study for Inland Norway. Applied Energy 130 (2014) 41–50

Alemayehu Gebremedhin. Optimal utilisation of heat demand in district heating system - a case study. Renewable and Sustainable Energy Reviews 30 (2014) 230– 236

Yang, Jingjing; Gebremedhin, Alemayehu; Strand, Michael. Characterization of Particles and Inorganic Vapors through High-Temperature Extraction in a Biomass-Fired Grate Boiler. Energy Fuels, 2013 , 27 (10), pp 5915–5922

Alemayehu Gebremedhin. Introducing District Heating in a Norwegian town - Potential for reduced Local and Global Emissions, Applied Energy 95 (2012) 300–304

Alemayehu Gebremedhin∗, Jarle De Oliveira Granheim. Is there a space for additional renewable energy in the Norwegian power system? Potential for reduced global emission? Renewable and Sustainable Energy Reviews 16 (2012) 1611– 1615

Tor-Martin Tveit, Tuula Savola, Alemayehu Gebremedhin, Carl-Johan Fogelholm. Multi-period MINLP model for optimising operation and structural changes to CHP plants in district heating networks with long-term thermal storage, Energy Conversion and Management volume 50 issue 3 (2009) 639-647

Alemayehu Gebremedhin, Karl Björnfot, Björn Karlsson. Sustainable energy system - A case study from Chile, Renewable Energy 34 (2009)1241-1244

Magnus Karlsson, Alemayehu Gebremedhin, Sofia Klugman, Dag Henning, Bahram Moshfegh. Regional energy system optimisation – Potential for a regional heat market, Applied Energy volume 86, issue 4 (2009) 441-451

Danestig, M., Gebremedhin, A., Karlsson, B. (2007) Stockholm CHP potential—An opportunity for CO2 reductions, Energy Policy, Vol. 35, No. 9, pp 4650-4660.

Trygg L, Gebremedhin A, Karlsson B.‘Resource effective systems through changes in energy supply and industrial use: the Volvo - Skövde case‘ Applied Energy 83 (2006) 801-818

Kristina Holmgren, Alemayehu Gebremedhin Modelling a district heating system: introduction of waste incineration, policy instruments and co-operation with an industry Energy Policy, Vol 32 (2004) pp 1807-1817

Alemayehu Gebremedhin, Bahram Moshfegh Modelling and optimisation of district heating and industrial energy system - An approach to a locally deregulated heat market The International Journal of Energy Research 2004;28:411-422

Alemayehu Gebremedhin "Case study: The role of a paper mill in a merged district heating system" Applied Thermal Engineering 23 (2003) 769-778

Alemayehu Gebremedhin, Heimo Zinko Energy System Optimisation:Co-operation between neighbouring District Heating companies Euro-Heat & Power- English Edition II/2003:34-38.

Alemayehu Gebremedhin and Annelie Carlson "Optimisation of merged district-heating systems––benefits of co-operation in the light of externality costs" Applied Energy 73 (2002) 223-235

Conference papers


LORENC MALKA, KLODIAN DHOSK2, ALEMAYEHU GEBREMEDHIN , “Analysis of NOx and CO2 Emission Level Caused from Diesel Passenger Cars in Tirana District: Cases of Lancia and Citroen in different speed regimes” 12th International Conference on Energy, Environment, Ecosystems and Sustainable Development (EESD 16') " 29-31 January 2016, Venice, Italy

Iljas Iljazi, Alemayehu Gebremedhin, Alajdin Abazi, “Small-scale University Campus Power Supply Network as a Real Sustainable Energy Laboratory” The 10th Conference on Sustainable Development of Energy, Water and Environment Systems" September 27 - October 2, 2015, Dubrovnik, Croatia

A. Maraj, Andonaq LAMANI, Altin DORRI, A. Gebremedhin , “Simulation and Validation of Results obtained during the Annual Operation of a Forced Circulation Solar Water Heating System equipped with Flat Solar Collectors for the Mediterranean Climate Conditions” The 5th International Conference  "Technological, Modelling & Experimental Achievements in Energy Generation Systems" 23-24 September 2015, Budava, Montenegro

Fisnik Dalipi, Sule Yildirim Yayilgan, Alemayehu Gebremedhin , “A Cloud Computing Framework for Smarter District Heating Systems ” Conference: UFirst 2015: The 7th IEEE International Symposium on UbiCom Frontiers - Innovative Research, Systems and Technologies, At Beijing

Dalipi, Fisnik; Yildirim, Sule; Gebremedhin, Alemayehu. A machine learning approach to increase energy efficiency in district heating systems. I: Environmental Engineering and Computer Application: Proceedings of the 2014 International Conference on Environmental Engineering and Computer Application (ICEECA 2014), Hong Kong, 25–26 December 2014. CRC Press 2015 ISBN 978-1-315-68538-0. s. 223-226

Yang, Jingjing; Gebremedhin, Alemayehu; Strand, Michael.
Particle Characterization at High Temperature in a 5 MW Moving Grate Biomass Boiler. European biomass conference and exhibition proceedings 2013 s. 1132-1135

Alemayehu Gebremedhin, Heimo Zinko. Seasonal heat storages in district heating systems, Effstock 2009 - Thermal Energy Storage for Energy Efficiency and Sustainability, 14 – 17 June 2009, Stockholm, Sweden

Heimo Zinko, Alemayehu Gebremedhin & Johan Klasson Reduction of CO2 emissions in district heating areas, proceedings of 10th World Renewable Energy Congress – WREC, 21 – 25 July 2008, Glasgow, Scotland, pp 2675-2680

D. Henning, A. Gebremedhin FUTURE BIOFUEL UTILISATION FOR SMALL-SCALE HEATING AND LARGE-SCALE HEAT, ELECTRICITY AND AUTOMOTIVE FUEL PRODUCTION, Proceedings World Bioenergy 2008 Taking you from Know-how to Show-how 27 May - 29 May 2008, Jönköping, Sweden

D.Henning, M.Danestig, K.Holmgren, A.Gebremedhin(2006) Modelling the impact of policy instruments on district heating operations -experiences from Sweden, Proceedings of the 10th international symposium on district heating and cooling, Hanover, Germany, 3-5 September

Henning D., Trygg L.,Gebremedhin A.(2006) Enhanced biofuel utilisation in swedish industries, buildings and district heating, Proceedings World Bioenergy 2006 Taking you from Know-how to Show-how 30 May - 1 June 2006, Jönköping

Alemayehu Gebremedhin,Heimo Zinko (2004) Avoiding high return temprature with absorption coolers in district heating, Proceedings of the 9th international symposium on district heating and cooling, Espoo, Finland, 30-31 August, ed. T. Savola, Helsinki university of technology, Department of mechanical engineering, Energy engineering and environmental protection publications TKK-ENY-20, pp. 191-198.


Alemayehu Gebremedhin (2013). Inventar av mulig sertifikatberettiget fornybar kraftproduksjon i innlandet Høgskolen i Gjøviks rapportserie - (volume/issue 2013 nr. 3) ISBN: 978-82-93269-18-2

Heimo Zinko, Alemayehu Gebremedhin (2008) SÄSONGVÄRMELAGER I KRAFTVÄRMESYSTEM, rapport 12008:1,ISBN 978-91-7381-006-7, Svensk Fjärrvärme AB

Carl-Johan Fogelholm, Alemayehu Gebremedhin, Sangsu Kim, Linda Pedersen, Tuula Savola, Jacob Stang, Tor-Martin Tveit and Heimo Zinko. (2008) Improved cogeneration and heat utilization in DH networks, IEA DHC|CHP, International Energy Agency IEA Implementing Agreement on District Heating and Cooling, including the integration of CHP

Gebremedhin A., Henning D., Palm J.(2006) Energianalys Vingåker, Rapport ER 2006:07, Energimyndigheten, Eskilstuna.

Trygg L, Gebremedhin A. Karlsson B, 2005 ‘Combination of energy supply and industrial end use measures‘LiTH-IKP-R-1362, Institute of Technology, Dept of Mech. Eng., University of Linköping, Sweden

Gebremedhin A., Palm J.(2005) Energianalys Borås, Rapport ER 2005:28, Energimyndigheten, Eskilstuna.

Gebremedhin A., Glad W., Gustafsson S.-I. (2004) Energianalys Solna, Rapport ER 16:2004, Energimyndigheten, Eskilstuna.

Heimo Zinko, Sven-Olof Söderberg, Elsa Fahlén, Alemayehu Gebremedhin (2004) Integration av absorptionskylmaskiner i fjärrvärmesystem - förstudie, 2004:119, Svensk Fjärrvärme.

Chapter in book

Dag Henning and Alemayehu Gebremedhin (2012). District Heating and Cooling Enable Efficient Energy Resource Utilisation, Sustainable Energy - Recent Studies, Dr. Alemayehu Gebremedhin (Ed.), ISBN: 978-953-51-0912-9, InTech, DOI: 10.5772/51837. Available from: http://www.intechopen.com/books/sustainable-energy-recent-studies/district-heating-and-cooling-enable-efficient-energy-resource-utilisation

Alemayehu Gebremedhin (2010). Switching from Renewable to Renewable - a Case Study from Nordic Perspective, Paths to Sustainable Energy, Jatin Nathwani and Artie Ng (Ed.), ISBN: 978-953-307-401-6, INTECH, Available from: Switching from Renewable to Renewable - a Case Study from Nordic Perspective

Gebremedhin A., Larsson L., Karlsson B. G. Energy System Analysis: Optimisation of the Karlshamn Energy System, in The KEES Project: Energy Efficiency in a Deregulated Market 1999, eds. H. Akkermans and H. Ottosson, Enersearch, 205 09 Malmö, Sweden, pp. 11-37.

Book edit

Alemayehu Gebremedhin (2012). Sustainable Energy - Recent Studies, ISBN: 978-953-51-0912-9, InTech, DOI: 10.5772/3430. Available from: http://www.intechopen.com/books/sustainable-energy-recent-studies


Alemayehu, Gebremedhin (2003) "Regional and Industrial Co-operation in District Heating Systems" LIU, Dissertation No. 849, 2003, ISBN 91-7373-771-2, ISSN 0345-7524

Alemayehu, Gebremedhin (2000) "The impact of a widened energy system boundary on cost effectiveness" LIU-TEK-LIC-2000:22. Thesis No. 826. ISBN 91-7219-723-4, ISSN:0280-7971.