Energy efficient management is one of the main problems that the world is currently facing due to the scarcity of natural resources. In Algeria, As shown in Figure 1, most of the energy consumption is devoted to fuel energy: oil, natural gas and coal.

The residential sector represents the most energy-consuming sector in terms of its use for heating and cooling. Indeed, it is one of the main factors affecting energy expenditure and greenhouse gas emissions. In Algeria, this sector is considered as one of the most energy-intensive sectors and consumes more than 35% of the total final energy, as indicated in Figure 2.

In this context, the construction of a zero energy building has become a necessity to control energy consumption in the residential sector. Our aim is to develop alternatives to reduce this energy consumption and to minimise the use of non-renewable energies (fuel energies) which is the main factor in the Algerian economy.

Renewable energies can be a new source of energy for the country’s economy and an alternative for electricity production, especially solar photovoltaic energy, as shown in Figure 3.

Algeria has an extremely high solar potential. The quality of Algerian solar radiation allows Algeria to rank among the three countries with the best solar resources in the world, with an annual sunshine of more than 3,500 hours and an irradiation of 4 to 7 kWh/m2/day [3].

The national energy policy recommends increasing the contribution of renewable energies in the energy balance; the objective is to achieve a contribution of around 6% in the balance of electricity production by 2020 through photovoltaic, solar thermal and wind energy sectors in favour of the launch of several programmes [3].

Our objective is to define the impact of grid-connected or isolated solar photovoltaic systems on electricity production in the residential sector in Algeria. Our research will contribute to the implementation of an environmental approach to reduce energy consumption in the residential buildings in order to obtain a building that produces as much energy as it consumes by using selfconsumption and solar energy.


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