Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/193952
Authors: 
Fitiwi, Desta Z.
Lnych, Muireann
Bertsch, Valentin
Year of Publication: 
2019
Series/Report no.: 
ESRI Working Paper 616
Abstract: 
Increased renewable generation worldwide is posing new challenges for power system planners. The location, as well as the level and operation, of each generation resource is increasingly important. This work presents a constrained Generation Expansion Planning (GEP) optimization model. One of the salient features of the model is its reasonably accurate representation of the physical characteristics of power systems. It considers both active and reactive power flows in a linear manner. Natural voltage magnitude deviations from nominal values across the transmission system are also captured in the resulting model. Therefore, the network model employed here closely resembles the AC optimal power flow one.We apply the model to a realistic test system of the island of Ireland and determine the optimal generation expansion and operation out to 2030 under a range of demand and policy scenarios. Our results show that costs and emissions are driven primarily by the decommissioning of old inefficient generation units. High renewable targets, on the other hand, render increased carbon prices relatively ineffective in reducing system emissions.
Subjects: 
Generation expansion planning
optimal generation mix
RES integration
strategic interconnection
carbon leakage
Document Type: 
Working Paper
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