建筑集成太阳能（BIPV）是使用太阳能光伏材料取代传统建筑材的一种应用方式，使建筑物本身成为一个大的能量来源，而不必用外加方式加装太阳能板，因为在设计阶段就考量，所以发电率和成本比值最佳，天窗和外墙是通常最大的接光面，及为一栋绿建筑. 可以部分或全部供应建筑用电，现有建筑也可能用改装方式成为BIPV建筑.最大好处是太阳能板价格可以摊进被它取代的原始建筑材料，安装成本也可以算进建筑工事中，从而降低使用太阳能的成本。而且在设计阶段就纳入太阳能，可以使接光率提高并且兼具美观因素。这些因素使BIPV成为成长最快的太阳能产业应用.

Building-integrated photovoltaics (BIPV) are photovoltaic materials that are used to replace conventional building materials in parts of the building envelope such as the roof, skylights, or facades. They are increasingly being incorporated into the construction of new buildings as a principal or ancillary source of electrical power, although existing buildings may be retrofitted with similar technology. The advantage of integrated photovoltaics over more common non-integrated systems is that the initial cost can be offset by reducing the amount spent on building materials and labor that would normally be used to construct the part of the building that the BIPV modules replace. These advantages make BIPV one of the fastest growing segments of the photovoltaic industry.