Modeling unaccounted-for gas among residential natural gas consumers using a comprehensive fuzzy cognitive map

A. Soltanisarvestani and A.A. Safavi

Utilities Policy, 2021, vol. 72, issue C

Abstract: Residential natural gas consumption depends on several factors. Available tools and methods to identify, categorize, and validate effective factors have some limitations, making consumption modeling more complex. Once a comprehensive model of effective consumption factors is developed for residential gas consumers, it can predict consumption. In addition, such a model could be used to verify the accuracy of measuring devices in order to reduce unaccounted for gas (UFG). The key factors affecting residential gas consumption were identified based on previous studies and their mutual effects were analyzed using a fuzzy cognitive mapping (FCM) method. The most significant factors and their effects on natural gas consumption in the residential sector were determined. In this study, for the first time, the expected consumption for each consumer was estimated using a consumption index. Generally, if the estimated consumption is significantly different from the amount recorded by the meter, it could suggest a potential source of UFG. The proposed method was applied to the data collected from the residential gas consumers of a small region in Iran (Dasht-e Arjan region, Fars province), and the results demonstrate the effectiveness of the proposed method.

Keywords: Residential natural gas consumption; Fuzzy cognitive map; Modeling; Unaccounted for gas (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:juipol:v:72:y:2021:i:c:s0957178721000850

DOI: 10.1016/j.jup.2021.101251

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