Photovoltaic solar power is one of the most promising renewable energy sources in the world. The advantages are compelling when compared to non-renewable sources such as coal, gas, oil or nuclear power,: it is non-polluting, an infinite source of energy, and the systems require minimal maintenance. Furthermore, in order to have sufficient energy in the future, part of our energy will have to be generated by photovoltaic (PV) solar power. The technology is currently available; the systems are improving and are becoming increasingly economically viable.

The chief objective of building integration is to achieve a clear and aesthetically pleasing roof or facade integration. This means that the solutions selected should blend in well with the rest of the building. The added value of building integration is not just aesthetic. In densely populated areas building integration means that less space is required. Since PV is multifunctional (solar protection, facade protection, roof covering, etc.), this also saves costs compared with non-integrated PV by offsetting the cost of other cladding materials. In addition, the energy generated is used directly on site, and does not need to be transported elsewhere.

Building integration, as opposed to mounting separate frames, increases the risk of reduced ventilation. Less ventilation behind the modules means reduced output of up to around 10% of the total power. The design phase should therefore take the aesthetic integration, engineering details and ventilation into account.

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