This paper searches to find out of building integrated photovoltaic system designs in Khartoum. It discussed technical issues and designed an integrated of photovoltaic in domestic using, within an urban approach towards sustainability in energy. Photovoltaic systems can be used to develop the solar energy in almost all kinds of applications. Exploiting of solar energy for domestic use is one avenue where the energy produced from the sun is converted into electricity to power most if not all the appliances available at our homes and residences. Building a photovoltaic system is the process of designing, selecting, and calculating the ratings of the equipments employed in the system. This process depends on a range of factors such as geographical location, solar irradiation, and load requirements. I introduce the procedures utilize, in building and selecting the equipments of a grid-connected photovoltaic system based on the Watt-hour demand of 3.8？kw. As a case study, a residence in Khartoum with low-energy consumption is selected. 1. Introduction Building integrated photovoltaics (BIPVs) is a PV application close to being capable of delivering electricity at less than the cost of grid electricity to end users in certain peak demand niche markets [1]. BIPV acceptance varies seriously by, and within, country depending upon climate, built environment, electricity industry structure, government policies, local product offerings, market stimulation mechanisms, consumer demand, existing industrial capabilities, and the forms of tariff arrangement for grid-connected PV power generation [2–6]. BIPV grid-connected system involves combining solar photovoltaic electricity technologies with those of building construction [7]. This subject is of great interest to those in the fields of energy conservation and building design, however, cannot be underestimated in the context of the more familiar notion of sustainable development [8]. The concept of sustainability is more relevant than ever; among support systems used, in sustainable energy, the common used was BIPV [9]. Of the essential aspects, sustainability of energy must become the cornerstone of the researchers’ design philosophy. It processes the design of sustainable buildings that rely on renewable resources to provide most, and eventually all, of their own energy need [10]. The most promising renewable energy technology is photovoltaic (PV) power [11]. PV power is a truly elegant means of producing on-site electricity. The important feature which influences of design the sustainable house was climate and
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