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Simulation and introduction of a CHP plant in a Swedish biogas system
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för bygg- energi- och miljöteknik, Energiteknik. Department of Management and Engineering, Division of Energy Systems, Linköping University, Linköping, Sweden.
Optensys Energianalys, Linköping, Sweden .
Department of Management and Engineering, Division of Energy Systems, Linköping University, Linköping, Sweden .
2013 (Engelska)Ingår i: Renewable energy, ISSN 0960-1481, E-ISSN 1879-0682, Vol. 49, s. 242-249Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The objectives of this study are to present a model for biogas production systems to help achieve a more cost-effective system, and to analyse the conditions for connecting combined heat and power (CHP) plants to the biogas system. The European electricity market is assumed to be fully deregulated. The relation between connection of CHP. increased electricity and heat production, electricity prices, and electricity certificate trading is investigated. A cost-minimising linear programming model (MODEST) is used. MODEST has been applied to many energy systems, but this is the first time the model has been used for biogas production. The new model, which is the main result of this work, can be used for operational optimisation and evaluating economic consequences of future changes in the biogas system. The results from the case study and sensitivity analysis show that the model is reliable and can be used for strategic planning. The results show that implementation of a biogas-based CHP plant result in an electricity power production of approximately 39 GW h annually. Reduced system costs provide a profitability of 46 MSEK/year if electricity and heat prices increase by 100% and electricity certificate prices increase by 50%. CO2 emission reductions up to 32,000 ton/year can be achieved if generated electricity displaces coal-fired condensing power.

Ort, förlag, år, upplaga, sidor
Oxford: PERGAMON-ELSEVIER SCIENCE , 2013. Vol. 49, s. 242-249
Nyckelord [en]
Biogas system, CO2 emissions, Energy systems optimisation, Combined heat and power plant, Marginal electricity
Nationell ämneskategori
Energisystem Förnyelsebar bioenergi
Identifikatorer
URN: urn:nbn:se:hig:diva-17865DOI: 10.1016/j.renene.2012.01.022ISI: 000309902000051Scopus ID: 2-s2.0-84866561127OAI: oai:DiVA.org:hig-17865DiVA, id: diva2:761846
Konferens
11th World Renewable Energy Congress and Exhibition, September 25-30, 2010, Abu Dhabi, UAE
Tillgänglig från: 2014-11-09 Skapad: 2014-11-09 Senast uppdaterad: 2018-03-13Bibliografiskt granskad

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