Finding the Optimal Approach for Allocating and Realising the Distribution System Capacity: Decidng between Interruptible Connections and Firm DG Connections

Karim Anaya and Michael Pollitt

Cambridge Working Papers in Economics from Faculty of Economics, University of Cambridge

Abstract: The aim of this study is to perform a cost benefit analysis of the different options for connecting distributed generation (DG) customers in a specific constrained area (the March Grid), under the context of the Flexible Plug and Play trial. The study shows the importance of the development of levels of understanding and trust among the customers and suppliers of the system-level complexities of an interconnected grid that affect all involved, of the need to achieve acceptability for all involved and the development of a shared, confident forward awareness of future evolution capability, both technically and contractually. This research required a comprehensive revision of the current regulatory framework applied to DG and the search of the most recent estimations of generation costs with a focus on wind, solar PV and anaerobic digestion (AD) generators. Specific assumptions were made in terms of interruptible capacity quota, generation mix, embedded benefits, curtailment levels and load factors. The results are presented in four different scenarios. Two kinds of connection options have been assessed: smart option (non-firm or interruptible) and reinforcement option (firm). Results suggest that in general small wind generators will always have advantage over the large wind generators regardless the type of connection, solar PV would struggle to connect and AD generators would always connect.

Keywords: cost benefit analysis; distributed generation. interruptible connections (non-firm) (search for similar items in EconPapers)
JEL-codes: D61 L51 L94 Q21 Q40 Q48 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-ene
Note: Creation Date: 2013-11-27
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Citations: View citations in EconPapers (1)

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Working Paper: Finding the Optimal Approach for Allocating and Realising Distribution System Capacity: Deciding between Interruptible Connections and Firm DG Connections (2013)
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Persistent link: https://EconPapers.repec.org/RePEc:cam:camdae:1343

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