• AlternaFuture - Final Report 

      Vereide, Kaspar; Mo, Birger; Forseth, Torbjørn; Lia, Leif; Nysveen, Arne; Dahlhaug, Ole Gunnar; Schäffer, Linn Emelie; Bustos, Ana Adeva; Sundt-Hansen, Line; Øvregård, Eirik; Glimen, Pål; Hesthagen, Trygve; Skår, Margrete; Nielsen, Torbjørn Kristian (HydroCen Report;18, Research report, 2020)
      AlternaFuture has been a multidisciplinary research project in Hydrocen to investigate the potential of extreme upgrading of existing hydropower system with a positive effect on the environmental conditions. The project ...
    • Energi og industri - Mulighetsrom verdikjeder - NHO Veikart for fremtidens næringsliv 

      Støa, Petter; Røkke, Nils Anders; Størset, Sigmund Østtveit; Spooren, Rudie; Knutstad, Gaute A. Johansen; Dahl, Nina; Akporiaye, Duncan; Bredesen, Rune; Sand, Gunnar; Tveten, Erlend Grytli; Mortensholm, Stein Kleppe; Steenstrup-Duch, Anne; Mehammer, Eirill Bachmann; Schäffer, Linn Emelie; Sandquist, Judit; Vullum-Bruer, Fride; Sheridan, Edel Maria; Alnæs, Lisbeth-Ingrid; Høgaas, Per Helge; Lademo, Odd-Geir; Øvrelid, Eivind Johannes (SINTEF Rapport;, Research report, 2019)
      Kan fremtidig verdiskaping innen energi og industri opprettholde Norge som bærekraftig velferdsnasjon, samtidig som vi oppfyller våre forpliktelser i internasjonale klimaavtaler og løser egne utfordringer i tråd med FNs ...
    • Environmental constraints in stochastic hydropower scheduling for long planning horizons 

      Schäffer, Linn Emelie (Doctoral theses at NTNU;2023:211, Doctoral thesis, 2023)
      The transformation of the European power system to a climate-friendly one by 2050 involves a shift from fossil fuel generation to renewable energy sources. As a part of this transition, flexible assets are needed to balance ...
    • Evaluating Modeling Approaches for State-Dependent Environmental Constraints in Medium-Term Hydropower Scheduling 

      Børresen, Sofie Aandahl (Master thesis, 2022)
      Ettersom frykten for klimaendringer stadig blir mer utbredt i samfunnet i dag, har kraftprodusenter et stort ansvar for å produsere på en mest mulig bærekraftig måte. Mange av de store vannkraftmagasinene i Norge brukes ...
    • Flexbuild final report. The value of end-use flexibility in the future Norwegian energy system 

      Sartori, Igor; Alonso Pedrero, Raquel; Bagle, Marius Eide; Haaskjold, Kristina; Seljom, Pernille; Rosenberg, Eva; Schäffer, Linn Emelie; Crespo del Granado, Pedro Andres; Tomasgard, Asgeir (SINTEF Fag;, Research report, 2023)
      The Flexbuild project aimed to understand how end-use flexibility could impact the future energy system in Norway. This initiative brought together industrial partners, public organizations, universities, and research ...
    • Hydropower Scheduling with State-Dependent Discharge Constraints: An SDDP Approach 

      Helseth, Arild; Mo, Birger; Hågenvik, Hans Olaf; Schäffer, Linn Emelie (Peer reviewed; Journal article, 2022)
      Environmental constraints in hydropower systems serve to ensure sustainable use of water resources. Through accurate treatment in hydropower scheduling, one seeks to respect such constraints in the planning phase while ...
    • Methods of aggregation and disaggregation - Project results 

      Mo, Birger; Hansen, Ole Martin; Schäffer, Linn Emelie (SINTEF Rapport;, Research report, 2020)
      The focus of the project "Methods of aggregation and disaggregation" are improved mathematical methods and computer tools for aggregation and disaggregation of hydro power systems in optimization models. These techniques ...
    • Modelling batteries - Documentation of testing of using hydropower modules to model batteries in ProdRisk and EMPSW 

      Schäffer, Linn Emelie (HydroCen Report;15, Research report, 2020)
      The report documents a test of how pumped storage functionality can be used to model batteries in SINTEFs long-term models. Firstly, optimal operation of a battery in a price taker setting is simulated using the ProdRisk ...
    • Multimarket modelling - Application of different models to HydroCen Low Emission scenario 

      Haugen, Mari; Schäffer, Linn Emelie (HydroCen Report;16, Research report, 2020)
      This report documents the work done in task 1 of WP3 in HydroCen on multimarket price modelling. The focus of the work has been to simulate spot prices and prices for procurement of reserve capacity using different modelling ...
    • Optimal Operation of Hydro-Dominated Power Systems with Environmental Constraints 

      Schäffer, Linn Emelie; Korpås, Magnus; Helseth, Arild (Chapter, 2022)
      This paper studies the operation of a small renewable and hydro-dominated power system when introducing environmental constraints. The risk of rationing and the local price formation is investigated using a stochastic, ...
    • Optimal price-based scheduling of a pumped-storage hydropower plant considering environmental constraints 

      Alic, Asja; Schäffer, Linn Emelie; Toffolon, Marco; Vincenzo, Trovato (Journal article; Peer reviewed, 2023)
      The paper proposes a novel medium-term scheduling model for a hydropower system composed by a pumped storage hydropower plant connected to a traditional hydropower plant subject to three types of environmental constraints; ...
    • Power Price Scenarios - Results from the Reference scenario and the Low Emission scenario 

      Schäffer, Linn Emelie; Graabak, Ingeborg (HydroCen Report;5, Research report, 2019)
      This report is written as a part of HydroCen WP3.1. The aim of the research described in this report is to show and quantify variation in power prices in Northern Europe in 2030. The background for this study is the need ...
    • A stochastic dynamic programming model for hydropower scheduling with state-dependent maximum discharge constraints 

      Schäffer, Linn Emelie; Helseth, Arild; Korpås, Magnus (Peer reviewed; Journal article, 2022)
      We present a medium-term hydropower scheduling model that includes inflow- and volume-dependent environmental constraints on maximum discharge. A stochastic dynamic programming algorithm (SDP) is formulated to enable an ...
    • T 3.1 Future Market Structures and Prices 

      Schäffer, Linn Emelie (HydroCen Report;1, Research report, 2017)
      This report summarises the results of the HydroCen workshop in work package 3 Market and services with focus on the drivers of future market structures and prices. The results presented in this report are pro-cessed ...
    • Veikart for energi i Norge mot 2050 

      Schäffer, Linn Emelie; Rosenberg, Eva; Pisciella, Paolo; Damman, Sigrid; Espegren, Kari Aamodt; Fodstad, Marte; Graabak, Ingeborg; Perez-Valdes, Gerardo Alfredo; Sandberg, Eli; Johansen, Ulf; Seljom, Pernille Merethe Sire; Tomasgard, Asgeir (SINTEF Rapport;, Research report, 2020)