Improving the flexibility of coal-fired power generators: Impact on the composition of a cost-optimal electricity system

Stefanía Ó. Garðarsdóttir, Lisa Göransson, Fredrik Normann and Filip Johnsson

Applied Energy, 2018, vol. 209, issue C, 277-289

Abstract: A transformation of the electricity generation system is required to drastically reduce the associated CO2 emissions. In future systems, variable renewable energy sources (wind and solar) are expected to provide a significant fraction of the electricity supply, increasing the requirement for variation management compared with today’s situation. This paper investigates the impacts of measures designed to increase the competitiveness of coal-fired power plants in future energy systems, which are facing restrictions related to CO2 emissions and variable operation as a consequence of high penetration levels of wind and solar power. We investigate the cost-optimal compositions of three regional electricity generation systems with different conditions for generation using renewables with a linear cost-minimizing investment model. The model is applied in two energy policy scenarios: one with a tight cap on CO2 emissions, and one with a stringent requirement for generation from renewables.

Keywords: Electricity system modelling; Investment model; Variable generation; Thermal cycling (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (21)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:209:y:2018:i:c:p:277-289

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DOI: 10.1016/j.apenergy.2017.10.085

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