Browsing NTNU Open by Author "Sørensen, Åse Lekang"
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An Improved Stochastic Load Profile Generator for EV Charging
Aslesen, Line Trier (Master thesis, 2022)Ettersom den elektriske bilparken utvikles og øker hvert år, er det nødvendig å analysere kjørevaner og brukeratferd for å kunne oppnå optimale ladestrategier. Årsaken til dette er den økte belastningen på kraftnettet etter ... -
Analysing electricity demand in neighbourhoods with electricity generation from solar power systems: A case study of a large housing cooperative in Norway
Sørensen, Åse Lekang; Sartori, Igor; Lindberg, Karen Byskov; Andresen, Inger (Journal article; Peer reviewed, 2019)An energy management system can be introduced on a neighbourhood level, to achieve energy goals such as increased self-consumption of locally produced energy. In this case-study, electricity generation from photovoltaic ... -
Analysis of monthly and daily profiles of DHW use in apartment blocks in Norway
Ivanko, Dmytro; Walnum, Harald Taxt; Sørensen, Åse Lekang; Nord, Natasa (Peer reviewed; Journal article, 2020)Profiles of domestic hot water (DHW) use give valuable information for achieving energy saving in buildings. In this article, analysis of monthly and hourly profiles in apartment blocks in Norway was performed. The aim was ... -
Analysis of residential EV energy flexibility potential based on real-world charging reports and smart meter data
Sørensen, Åse Lekang; Lindberg, Karen Byskov; Sartori, Igor; Andresen, Inger (Peer reviewed; Journal article, 2021)The increase in the number of electric vehicles leads to an increased demand for residential charging. While EV electric loads can have a negative impact on the power grid, they also represent a large potential for energy ... -
Consequences of Local Energy Supply in Norway: A case study on the ZEN pilot project Campus Evenstad
Backe, Stian; Sørensen, Åse Lekang; Pinel, Dimitri; Clauß, John; Lausselet, Carine; Woods, Ruth (ZEN Report;, Research report, 2019) -
Electric vehicle charging dataset with 35,000 charging sessions from 12 residential locations in Norway
Sørensen, Åse Lekang; Sartori, Igor; Lindberg, Karen Byskov; Andresen, Inger (Peer reviewed; Journal article, 2024) -
Electricity analysis for energy management in neighbourhoods: Case study of a large housing cooperative in Norway
Sørensen, Åse Lekang; Sartori, Igor; Lindberg, Karen Byskov; Andresen, Inger (Journal article; Peer reviewed, 2019)As a basis for energy management in apartment blocks, this paper characterises electricity use in a Norwegian housing cooperative with 1,058 apartments. In 2018, the average specific electricity delivery to apartments and ... -
Energy consumption for domestic hot water use in Norwegian hotels and nursing homes
Walnum, Harald Taxt; Sørensen, Åse Lekang; Ludvigsen, Bjørn; Ivanko, Dmytro (Journal article; Peer reviewed, 2019)Domestic Hot Water (DHW) production constitutes a significant proportion of the energy demand of modern buildings, and as the building envelope is improved the share increases. This article discusses the results from a ... -
Energy flexibility potential of domestic hot water systems in apartment buildings
Sørensen, Åse Lekang; Walnum, Harald Taxt; Sartori, Igor; Andresen, Inger (Peer reviewed; Journal article, 2021)Domestic Hot Water (DHW) storage tanks are identified as a main source of flexible energy use in buildings. As a basis for energy management in apartment buildings, this paper describes the aggregated DHW use in a case ... -
Energy profiles and electricity flexibility potential in apartment buildings with electric vehicles – A Norwegian case study
Sørensen, Åse Lekang; Morsund, B.B.; Andresen, Inger; Sartori, Igor; Lindberg, Karen Byskov (Journal article; Peer reviewed, 2024)Energy flexibility in buildings has the potential to reduce the grid burden of neighbourhoods, yet its practical implementation remains limited. This paper presents a data-based case study from Norway, examining the ... -
Energy profiles and electricity flexibility potential in Norwegian apartment buildings with electric vehicle charging
Sørensen, Åse Lekang (Doctoral theses at NTNU;2024:64, Doctoral thesis, 2024)Renewable energy generation and energy efficiency of buildings are central strategies for mitigating emissions, aligned with the objectives of the Paris Agreement. With an increasing share of the energy supply coming from ... -
Grid-connected cabin preheating of Electric Vehicles in cold climates – A non-flexible share of the EV energy use
Sørensen, Åse Lekang; Ludvigsen, Bjørn; Andresen, Inger (Peer reviewed; Journal article, 2023)The number of EVs is increasing globally. In cold climates, it is generally recommended to use electricity from the grid to preheat the EV cabin before using the car, to extend driving ranges, to ensure comfort, and for ... -
Heat analysis for energy management in neighbourhoods: case study of a large housing cooperative in Norway
Sørensen, Åse Lekang; Lindberg, Karen Byskov; Walnum, Harald Taxt; Sartori, Igor; Aakenes, Ulf Roar; Andresen, Inger (Journal article; Peer reviewed, 2019)As a basis for energy management in apartment blocks, this paper characterises heat use in a large housing cooperative in Norway, with in total 1,058 apartments. Heat measurements with hourly resolution are available from ... -
Identifying typical hourly DHW energy use profiles in a hotel in Norway by using statistical methods
Ivanko, Dmytro; Nord, Natasa; Sørensen, Åse Lekang; Plesser, Thale Sofie Wester; Walnum, Harald Taxt; Sartori, Igor (Journal article; Peer reviewed, 2019)The aim of this research is to improve the existing approaches of domestic hot water (DHW) energy use analysis in buildings. A comprehensive statistical analysis of hourly DHW energy use for a hotel in Oslo, Norway, was ... -
Innovasjonsrapport 2020. Forskningssenteret for nullutslippsområder i smarte byer (FME ZEN)
Bergsdal, Håvard; Sørensen, Åse Lekang; Cervenka, Zdena; Holm, Øystein; Thomsen, Judith; Sartori, Igor; Lindberg, Karen Byskov; Stokke, Raymond Andreas; De Boer, Luitzen; Hamdan, Hasan; Holmen, Elsebeth; Wiik, Marianne Rose Kjendseth; Backe, Stian; Kauko, Hanne; Georges, Laurent; Walnum, Harald Taxt; Lien, Synne Krekling; Skaar, Christofer; Wolfgang, Ove; Brattebø, Helge; Lausselet, Carine; Resch, Eirik; Sandberg, Nina Holck; Pinel, Dimitri; Thorvaldsen, Kasper Emil; Alonso, Maria Justo; Askeland, Magnus; Petersen, Sobah Abbas; Favero, Matteo; Carlucci, Salvatore; Liu, Peng (ZEN Report;, Research report, 2020)Forord. Forskning og innovasjon er grunnpilaren i vår visjon om å utvikle bærekraftige områder med null klimagassutslipp. Innovasjonskomiteen skal bistå senterledelsen i dette arbeidet gjennom å etablere gode innovasjonsprosesser ... -
Insights into ZEN pilot projects: An overview and experience summary
Thomsen, Judith; Homaei, Shabnam; Aakervik, Anne-Lise; Wiik, Marianne Rose Kjendseth; Rokseth, Lillian Sve; Andersen, Kamilla Heimar; Lien, Synne Krekling; Bø, Lars Arne; Lolli, Nicola; Kauko, Hanne Laura Pauliina; Walnum, Harald Taxt; Lausselet, Carine; Sørensen, Åse Lekang (ZEN Report;66, Research report, 2024) -
Lessons learned from innovative energy solutions to enable zero emissions area
Sørensen, Åse Lekang; Lien, Synne Krekling; Pavlovas, Vitalis; Kolby, Marius; Aakervik, Anne-Lise (Peer reviewed; Journal article, 2024)In line with the EU's vision of "local energy communities", Campus Evenstad, a Norwegian university campus, takes energy actions that contribute to the clean energy transition. The campus has been developed over several ... -
A method for generating complete EV charging datasets and analysis of residential charging behaviour in a large Norwegian case study
Sørensen, Åse Lekang; Sartori, Igor; Lindberg, Karen Byskov; Andresen, Inger (Peer reviewed; Journal article, 2023)Electric vehicles (EVs) are part of the solution to achieve global carbon emissions reduction targets, and the number of EVs is increasing worldwide. Increased demand for EV charging can challenge the grid capacity of power ... -
Opportunities for Local Energy Supply in Norway: A Case Study of a University Campus Site
Backe, Stian; Sørensen, Åse Lekang; Pinel, Dimitri; Clauß, John; Lausselet, Carine (Journal article; Peer reviewed, 2019)Neighbourhoods can contribute to climate change mitigation by supplying and/or facilitating renewable energy sources (RES). In this context, we evaluate opportunities related to the energy system of a Norwegian university ... -
Pilot Building Powerhouse Kjørbo - As Built Report
Sørensen, Åse Lekang; Andresen, Inger; Walnum, Harald Taxt; Alonso, Maria Justo; Fufa, Selamawit Mamo; Jenssen, Bjørn; Rådstoga, Olav; Hegli, Tine; Fjeldheim, Henning (ZEB Project report;, Research report, 2017)