Per Sieverts Nielsen
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View article: Solar PV Installation Potential Assessment on Building Facades Based on Vision and Language Foundation Models
Solar PV Installation Potential Assessment on Building Facades Based on Vision and Language Foundation Models Open
Building facades represent a significant untapped resource for solar energy generation in dense urban environments, yet assessing their photovoltaic (PV) potential remains challenging due to complex geometries and semantic com ponents. Thi…
View article: An integrated multi-criteria decision making framework for industrial excess heat recovery and utilization
An integrated multi-criteria decision making framework for industrial excess heat recovery and utilization Open
View article: Solar PV Installation Potential Assessment on Building Facades Based on Vision and Language Foundation Models
Solar PV Installation Potential Assessment on Building Facades Based on Vision and Language Foundation Models Open
View article: Integrating Digital Twins and Positive Energy Districts: A Framework for Scalable Urban Energy Transformation
Integrating Digital Twins and Positive Energy Districts: A Framework for Scalable Urban Energy Transformation Open
Positive Energy Districts (PEDs) offer a path to urban climate neutrality but present significant management complexity. Digital Twins (DTs), dynamic virtual replicas, provide powerful tools for monitoring, simulation, and control needed f…
View article: Dispatch strategies for large-scale heat pump based district heating under high renewable share and risk-aversion: A multistage stochastic optimization approach
Dispatch strategies for large-scale heat pump based district heating under high renewable share and risk-aversion: A multistage stochastic optimization approach Open
Heat pumps play an essential role in decarbonizing the heating sector, and their adoption is projected to rise significantly. The high share of large-scale heat pumps in district heating exposes heating utilities to uncertainty in electric…
View article: Digitalization of power distribution grids: Barrier analysis, ranking and policy recommendations
Digitalization of power distribution grids: Barrier analysis, ranking and policy recommendations Open
The energy transition process that is being driven by the decentralization and electrification of energy systems impacts significantly on electricity distribution grids. The fast-evolving technical and policy landscape prompts distribution…
View article: An Indicator Framework for Evaluating Building Renovation Potential
An Indicator Framework for Evaluating Building Renovation Potential Open
Implementation of a new European Union directive on energy renovation in Denmark can be expected to have a strong impact on the country’s energy renovation requirements. Accordingly, an indicator framework has been developed with the aim o…
View article: Regulatory Levers and Investment Decisions in Power Grid Digitalization: A System Dynamic Approach
Regulatory Levers and Investment Decisions in Power Grid Digitalization: A System Dynamic Approach Open
View article: A Systematicity Review on Residential Electricity Load-Shifting at the Appliance Level
A Systematicity Review on Residential Electricity Load-Shifting at the Appliance Level Open
Load-shifting is a demand-side management (DSM) strategy to support the efficiency of the electricity grid during hours of peak demand. Load-shifting at the appliance level is an interesting topic to review, since appliance usage is one of…
View article: Framing barriers for distribution grid digitalisation: A conceptual framework for policy recommendation
Framing barriers for distribution grid digitalisation: A conceptual framework for policy recommendation Open
The energy transition process has a significant impact on the energy distribution grid through an increasing decentralisation and electrification of energy resources. Digitalisation offers opportunities to support security and quality of s…
View article: A Review of Residential Electricity Load Shifting at the Appliance Level
A Review of Residential Electricity Load Shifting at the Appliance Level Open
Load shifting is one of the demand side management (DSM) strategies to support the efficiency in the electricity grid during the peak hours demand. Load shifting at the appliance level is interesting to review since the appliance usage is …
View article: Sustainable Energy Data Centres: A Holistic Conceptual Framework for Design and Operations
Sustainable Energy Data Centres: A Holistic Conceptual Framework for Design and Operations Open
Data Centres serve as the foundation for digital technologies in the energy sector, enabling advanced analytics, optimization, and automation. However, their rapid growth can exert a substantial influence on the environment due to their en…
View article: A non-functional requirements-based ontology for supporting the development of industrial energy management systems
A non-functional requirements-based ontology for supporting the development of industrial energy management systems Open
Non-functional requirements (NFRs) are essential in the development of industrial energy management systems (IEMS). This paper presents a comprehensive ontology model for NFRs in IEMS, derived from an extensive survey of NFRs in both the s…
View article: A Rigorous Standalone Literature Review of Residential Electricity Load Profiles
A Rigorous Standalone Literature Review of Residential Electricity Load Profiles Open
The introduction of smart meters and time-use survey data is helping decision makers to understand the residential electricity consumption behaviour behind load profiles. However, it can be difficult to obtain the actual detailed consumpti…
View article: Excess heat regulations, contracts and business models– with a special focus on excess heat opportunities in Denmark
Excess heat regulations, contracts and business models– with a special focus on excess heat opportunities in Denmark Open
The production of waste heat - or excess heat is substantial in the European Union. Despite the potential for excess heat utilisation several barriers exist. This paper identifies different barriers and enablers for excess heat utilisation…
View article: Impacts of earlier natural gas phase-out & heat-saving policies on district heating and the energy system
Impacts of earlier natural gas phase-out & heat-saving policies on district heating and the energy system Open
View article: Digitalization of Power Distribution Grids: Barrier Analysis, Ranking and Policy Recommendations
Digitalization of Power Distribution Grids: Barrier Analysis, Ranking and Policy Recommendations Open
View article: Understanding crowd energy consumption behaviors
Understanding crowd energy consumption behaviors Open
View article: The role of district heating in the future European energy system
The role of district heating in the future European energy system Open
District heating (DH) is often regarded as a sustainable supply of heat - improving energy efficiency and contributing to net zero emission targets. We analyse the expansion potential of DH in several EU Countries from the perspective of t…
View article: Understanding multi-scale spatiotemporal energy consumption data: A visual analysis approach
Understanding multi-scale spatiotemporal energy consumption data: A visual analysis approach Open
Understanding energy consumption patterns is crucial for energy demand-side management. Unlike traditional data mining or machine learning-based methods, this paper presents visual analysis methods for exploring energy consumption data fro…
View article: Smart Meter Data Anomaly Detection using Variational Recurrent Autoencoders with Attention
Smart Meter Data Anomaly Detection using Variational Recurrent Autoencoders with Attention Open
In the digitization of energy systems, sensors and smart meters are increasingly being used to monitor production, operation and demand. Detection of anomalies based on smart meter data is crucial to identify potential risks and unusual ev…
View article: Digitalisering af fjernvarme - erfaringer der luner
Digitalisering af fjernvarme - erfaringer der luner Open
Den hastige udvikling inden for computing og IoT (Internet-of-Things) har gjort det realistisk, at fjernvarmeselskaberne kan bruge feedback fra forbrugernes målere og sensorer i systemet til at optimere driften. Man taler om dynamisk datab…
View article: Recommendations from the CITIES project - Centre for IT-Intelligent Energy Systems
Recommendations from the CITIES project - Centre for IT-Intelligent Energy Systems Open
View article: Automating analyses and exploring investment optimisation in energyPRO
Automating analyses and exploring investment optimisation in energyPRO Open
District energy provides opportunity for effective integration between energy sectors, particularly electricity, heating, cooling and fuels. Analysing and optimising the operation of district energy plants is possible in the software tool …
View article: SEGSys: A mapping system for segmentation analysis in energy
SEGSys: A mapping system for segmentation analysis in energy Open
Customer segmentation analysis can give valuable insights into the energy efficiency of residential buildings. This paper presents a mapping system, SEGSys that enables segmentation analysis at the individual and the neighborhood levels. S…
View article: Testing Platforms as Drivers for Positive-Energy Living Laboratories
Testing Platforms as Drivers for Positive-Energy Living Laboratories Open
The development of city-driven urban laboratories was considered a priority by the European Commission through Action 3.2 of the Strategic Energy Technology Plan. In this context, positive-energy districts laboratories could take the role …
View article: Validation of Meso-Wake Models for Array Efficiency Prediction Using Operational Data from Five Offshore Wind Farms
Validation of Meso-Wake Models for Array Efficiency Prediction Using Operational Data from Five Offshore Wind Farms Open
View article: Synthesising Residential Electricity Load Profiles at the City Level Using a Weighted Proportion (Wepro) Model
Synthesising Residential Electricity Load Profiles at the City Level Using a Weighted Proportion (Wepro) Model Open
It is important to understand residential energy use as it is a large energy consumption sector and the potential for change is of great importance for global energy sustainability. A large energy-saving potential and emission reduction po…
View article: Clustering-Based Analysis: clustering-based analysis for residential district heating data
Clustering-Based Analysis: clustering-based analysis for residential district heating data Open
View article: A Stochastic Model for Residential User Activity Simulation
A Stochastic Model for Residential User Activity Simulation Open
User activities is an important input to energy modelling, simulation and performance studies of residential buildings. However, it is often difficult to obtain detailed data on user activities and related energy consumption data. This pap…