However, the implementation of risk based methods for asset management imposes significant changes for distribution companies, in particular related to the way they handle the risks related to the maintenance and renewal of their networks.
The project provided relevant background and knowledge for the implementation of risk based asset management in distribution companies.
RISK DSAM was a five year competence building project at SINTEF Energy Research, sponsored by the Norwegian Research Council in the RENERGI programme, 9 network companies in Norway and France and ELFORSK Sweden.
The project has addressed this issue through:
- Identifying the challenges distribution companies are facing
- Providing basic definitions of concepts and facilitating understanding of what risk based asset management is for a distribution business
- Providing guidelines for the selection of risk indicators, asset categorization and for designing risk based asset maintenance and reinvestment strategies.
- Investigating and proposing methods that can be used for risk based asset management, with focus on maintenance and reinvestment decision making. The methods explored include: qualitative risk analyses (coarse risk analyses, risk matrices), quantitative risk analyses (Bayesian Networks, Bow-Tie models) and multi-criteria decision support under uncertainty.
Objective:
The main objective of the project was to increase competence by exploring methods and develop methodologies for decision support in risk management of electricity distribution companies.
The project had also the following partial goals:
- Educate one PhD candidate within the scope of the project
- Develop courses for asset managers and others in cooperation with our partners and university collaborators on the projects issues
- Achieve a high rate of publishing in periodicals, publications with referee and national and international conferences
- Identify and launch new research projects.
Project partners
- The following electricity distribution companies in Norway: Agder Energi Nett, BKK Nett, Istad Nett, Skagerak Energi Nett, Trondheim Energi Nett, Hafslund Nett AS, Lyse Nett AS, Fredrikstad EnergiNett AS, Eidsiva Energi AS
- EdF R&D in France
- ELFORSK in Sweden
Research partners:
- University of Porto/INESC in Portugal
- Lappeenranta University of Technology in Finland
- Institute of Research in Economics and Administration (SNF) in Bergen, Norway
- SINTEF Industrial Management, Department of Safety and Reliability, NTNU Faculty of Information Technology, Mathematics and Electrical Engineer
- NTNU Institute of Psychology
Main results:
The main technical reports written during the project are the following:
- Current risk exposure in the distribution sector.
- Risk indicators for distribution system asset management
- Guidelines to risk-based categorization of distribution system assets
- General framework for reinvestment management
- General framework for maintenance management
- A risk based model supporting long term maintenance and reinvestment strategy decision making
- A guide to Risk Based Maintenance and Reinvestment Management
An important project result was the PhD study completed and defended by Dag Eirik Nordgård in 2010: Risk Analysis for Decision Support in Electricity Distribution System Asset Management - Methods and frameworks for analyzing intangible risks
During the project we participated in 13 international conferences with more than 24 contributions. We have
International collaboration has been an important part of the project. The project has benefited from collaboration with our research partners in Portugal (INESC Porto), Finland (LUT), France (EdF) and Norway (SNF).
We have also been active in several important international meeting arenas: IEA ENARD Annex III Infrastructure asset management, CIGRE Working group WG C1.16 on Transmission Asset Risk Management (CIGRE Technical Brochure 422) and the SmartLife initiative (CIRED Workshop Proceedings, 2010). Our contribution has been very well received and we have thus the confirmation of its value at international level.
During the project period we have had 5 Advisory Committee meetings, 6 International Workshops, 2 national workshops and many bilateral meetings with Norwegian distribution companies.
The project also supported 3 summer internships involving two students from France and one from Norway.
The curriculum for a new course at NTNU (EVU course) has been developed using RISK –DSAM project results. The course is addressed to engineers and asset managers from electricity distribution companies.
Publication/presentations
- Exploring uncertainty in quantitative risk assessment used for electricity distribution system asset management
Dag Eirik Nordgård, ESREL 2009, 7-10 September , Praha - Risk assessment methods applied to electricity distribution system asset management
Dag Eirik Nordgård, Kjell Sand, Ivar Wangensteen - Establishing a risk-based maintenance strategy for electricity distribution companies
Dag Eirik Nordgård, Knut Samdal - Incorporating risk analysis and multi- criteria decision making in electricity distribution system asset management
Maria D.Catrinu, Dag E. Nordgård - Risk assessment as an integrated part of distribution system reinvestment analysis
Oddbjørn Gjerde, Dag Eirik Nordgård, CIRED 2009, 8-11 June, Praha - Experiences using Quantitative Risk Assessment in Distribution System Maintenancen Management
Dag Eirik Nordgård, Geir Solum - Methods for maintenance and reinvestment strategy making in distribution systems
D.Catrinu, A.Nybø, M.K.Istad - Reinvestment strategy making for distribution networks
Maria Catrinu, Agnes Nybø, Dag Eirik Nordgård, NORDAC 2008, 8-9 September, Bergen - Performance indicators for Distribution System Risk Management
Kjell Sand, Maria Catrinu - Risk communication and perception challenges in electricity distribution maintenance and reinvestment management
Dag Eirik Nordgård - Risk assessment as an integrated part of distribution system reinvestment project analysis
Dag Eirik Nordgård, Oddbjørn Gjerde - Application of Bayesian Belief Networks in Electricity distribution system maintenance management
Dag Eirik Nordgård, Kjell Sand, ESREL 2008, 22-25 September, Valencia - Quantitative risk assessment in distribution system maintenance management using bow-tie modelling
Dag Eirik Nordgård, PSCC 2008 - 16th Power Systems Computation Conference, 14-18 July, Glasgow - Application of Bayesian Networks’ in distribution system risk management
Kjell Sand, Sylvie Bonnoit, Jean Aupied, PMAPS 2008 - 10th International Conference on Probabilistic Methods Applied to Power Systems, 25-29 May, Puerto Rico - Risk Based Decisions for Reinvestments in Distribution Systems
Maren Istad, Dag Eirik Nordgård, Oddbjørn Gjerde, Maria D. Catrinu, Agnes Nybø, Bjørn E Birkeland - A risk based approach to electricity distribution system asset management
Dag Eirik Nordgård, Maren Istad, Kjell Sand, EuroMaintenance 2008, 8-10 April, Brussels - Morgendagens nettforvaltning
Kjell Sand, ELEKTRO, no 4/07 - Risikovurderinger gir bedre vedlikeholdsstyring
Dag Eirik Nordgård, ELEKTRO, no 4/07 - A risk based approach to Distribution System Asset Management; Results from a survey of perceived risk exposure among distribution companies
Oddbjørn Gjerde Dag Eirik Nordgård Kjell Sand, Jukka Lassila Jarmo Partanen, Sylvie Bonnoit, Jean Aupied, CIRED 2007, 21-24 May, Vienna - Multi-criteria decision support in distribution system asset management
Maria D.Catrinu, Dag E. Nordgård, Kjell Sand, Jane-Kristin Norhagen - Risk based Maintenance
Knut Samdal, Marcus Evans Conference, London - Risk based Distribution System Asset Management – looking ahead
Kjell Sand, CIGRE Seminario Internacional, Buenos Aires. - Risk based Distribution System Asset Management – the Norwegian experience
Kjell Sand - Risk based Distribution System Asset Management, Dag Eirik Nordgård
RISK DSAM was a five year competence building project at SINTEF Energy Research, sponsored by the Norwegian Research Council in the RENERGI programme, 9 network companies in Norway and France and ELFORSK Sweden.