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Net load variability in the Nordic countries with a highly or fully renewable power system
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity. (Wind Power)
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
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2016 (English)In: Nature Energy, ISSN 2058-7546Article in journal (Refereed) Submitted
Abstract [en]

Increasing the share of intermittent renewable energy (IRE) resources such as solar, wind, wave and tidal energy in a power system poses a challenge in terms of increased net load variability. Fully renewable power systems have been analysed in recent studies. Here, we investigate how the net load fluctuations in the Nordic power system are affected by the injection of different combinations of IRE and whether a wise combination of resources can reduce the total variability. We show that the optimal mix of IRE is dependent on the frequency-band considered. Long-term (T>4 months) and short-term (T<2 days) fluctuations can be similar to today’s even for a fully renewable system. Fluctuations with periods in between will however inevitably increase significantly. This study indicates that, from a variability point of view, a fossil and nuclear free Nordic power system is feasible if properly balanced by hydropower.

Place, publisher, year, edition, pages
2016.
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Engineering and Technology
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URN: urn:nbn:se:uu:diva-302836OAI: oai:DiVA.org:uu-302836DiVA: diva2:967997
Available from: 2016-09-11 Created: 2016-09-11 Last updated: 2016-09-16
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