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Article RSE 15009897

Energy cost analysis for a house, taking into account the recent tariff proposals by the Italian Energy Autority


L'Energia Elettrica ISSN1590-7651, vol. 92 N. 6, pp. 37-45, Novembre-Dicembre-2015.

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L. Mazzocchi (RSE SpA) , S. Maggiore (RSE SpA)

GESTDOMANDA 2015 - Demand side management

The paper analyzes the trend of the energy expenditure of a home that uses only the electric carrier to satisfy its energy demand taking into account the recent AEEGSI tariff proposals, with the aim of favoring investments in energy efficiency.

The reform of the electricity tariff for domestic customers, introduced by the Italian Authority for Electricity, Gas and Water from January, 1st 2016, has several objectives, among which to overcome the progressive structure of the current tariff and prompting responsible behavior by consumers through the adoption of the electric vector where it enables the use of more energy-efficient technologies than other sources.

Referring to the different tariff assumptions contained in the two consultation documents of the Authority, RSE has analyzed the energy expenditure due to the services of heating, producing hot water, cooling and cooking for some residential units (house, condo, etc.) representative of the national housing stock and located in different climatic zones of the national territory.

The results have shown that TD tariff option allows the user who decides to adopt the "all electric" solution to have lower operating costs than both the costs with the current rates and the users who adopt the "traditional" solution. All these analyses have examined "passive" end-users, that is, users who do not have generation systems in their dwellings.

This document is intended to extend the analysis to such end users with energy production systems for their own consumption (e.g. with solar panel on the roof of their houses), the so-called "prosumers". In particular, the articles evaluates as the annual energy expenditure of a prosumer equipped with a photovoltaic system changes passing from the old to the new electricity tariff rates which will enter into force from 2018 and from 2025.

Italian Article

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