Browsing SINTEF Open by Author "Sørensen, Åse Lekang"
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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 (Conference object; 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 goals and KPIs in design projects
Sørnes, Kari; Sørensen, Åse Lekang; Almås, Anders-Johan; Mysen, Mads (Research report, 2016) -
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; Conference object; 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;17, Research report, 2019)Denne rapporten vurderer Campus Evenstad på veien mot ZEN. Hensikten med rapporten er å vurdere hvilke tiltak som er relevante fremover for å realisere energimål knyttet til ZEN, og den skal gi en forståelse for potensial, ... -
Cost optimal investment in energy efficiency measures and energy supply system in a neighbourhood in Norway
Walnum, Harald Taxt; Bagle, Marius; Sørensen, Åse Lekang; Fufa, Selamawit Mamo (Peer reviewed; Journal article, 2021)Building renovation is a key measure to reduce energy consumption and Greenhouse gas (GHG) emissions, and ease the transition to a fully renewable energy system. This paper applies the IEA EBC Annex 75 methodology for ... -
Dimensjonering av varmtvannsrør i bygg – Resultater fra prosjektet VarmtVann2030
Stråby, Karolina; Walnum, Harald Taxt; Sørensen, Åse Lekang (SINTEF Fag;81, Research report, 2021)Denne rapporten presenterer prosjektresultater fra det fireårige forskningsprosjektet "VarmtVann2030 – Energi til tappevann i det norske lavutslippssamfunnet". Rapporten sammenfatter resultater fra detaljerte feltmålinger ... -
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 (Conference object; 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 ... -
Energibruk til varmt tappevann – Resultater fra prosjektet VarmtVann2030
Walnum, Harald Taxt; Sørensen, Åse Lekang; Stråby, Karolina (SINTEF Fag;80, Research report, 2021)Rapporten presenterer resultater som omhandler energibruk til produksjon av varmt tappevann. Prosjektresultater som gjelder dimensjonering av rørsystemer, er beskrevet i rapporten "Dimensjonering av varmtvannsrør i bygg – ... -
Energifleksibilitet i bygg og områder
Sørensen, Åse Lekang; Kauko, Hanne Laura Pauliina; Backe, Stian; Sartori, Igor; Askeland, Magnus; Pinel, Dimitri; Georges, Laurent Francis Ghislain; Thorvaldsen, Kasper Emil; Korpås, Magnus (FME ZEN Policy Brief;3, Others, 2024)Fleksibel energibruk er en nødvendig del av et energisystem basert på fornybar energi. I dette notatet gir FME ZEN anbefalinger for tiltak som kan øke energifleksibiliteten i bygg og områder. Vi beskriver status og muligheter ... -
Energy and Power: Essential Key Performance Indicators for Zero Emisson Neighbourhoods An Analysis Of 6 Pilot Areas
Lien, Synne Krekling; Andersen, Kamilla Heimar; Bottolfsen, Hanne Liland; Lolli, Nicola; Sartori, Igor; Sørensen, Åse Lekang; Clauß, John (ZEN Report;36, Research report, 2021)The development of the definition, assessment criteria and key performance indicators of Zero Emission Neighbourhoods (ZEN), is an ongoing process that will last throughout the program period of FME ZEN. This work will ... -
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 measurements at Skarpnes zero energy homes in Southern Norway: Do the loads match up with the on-site energy production?
Sørensen, Åse Lekang; Imenes, Anne Gerd; Grynning, Steinar; Dokka, Tor Helge (Journal article; Peer reviewed, 2017)Five houses are designed as zero-energy homes in Skarpnes, Norway. The energy goal is to achieve net zero-energy balance on an annual basis. The houses have heat pumps and solar cells (PV). Energy use and delivered energy ... -
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 (Peer reviewed; Journal article, 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 ... -
Etterevaluering av EKSBO-pilotprosjekt. Enebolig i Asker
Klinski, Michae1; Fredriksen, Eyvind; Sørensen, Åse Lekang; Svensson, Anna (SINTEF Notat;23, Research report, 2017)SINTEF Byggforsk har evaluert en enebolig i Asker som var pilot i NFR-prosjektet "Kostnadseffektive energikonsepter for eksisterende boliger", EKSBO, med energitiltak gjennomført i 2006 og 2009/10. Ikke alle opprinnelig ... -
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 ... -
Impact of activating energy demand flexibility in the building stock: A case study of Norway as a highly electrified country in the European power market
Backe, Stian; Delgado, Benjamin Manrique; Askeland, Magnus; Walnum, Harald Taxt; Sørensen, Åse Lekang; Sartori, Igor (Peer reviewed; Journal article, 2025)