(WO9813883-A1)      The apparatus has overlapping roofing elements (1), e.g. of ceramic, glass, fibre cement, metal or bitumen compounds, and integral solar cells (2). The roof element forming the solar cell carrier is a mass-produced object meeting the required regulations. The solar cell is a glass plate with a semiconducting assembly on its underside.    A laminate foil on the underside of the cell has a damp protection film and the glass plate is so thin that mechanical loads from roofing elements can be accommodated. Connection terminals (4) are connected to the solar cell via conductors and they are formed in a direction according to the cell circuit, and a connector socket (5) is provided on the other side to which electrical cables (7) are connected from two neighbouring solar cells. The cell covers only a part of the roofing element so that no cell from another roofing element overlaps any other cells, and all electrical parts are provided in recess under the overlaps of the tiles. A cable connected to an electrical user lies upon and runs between two neighbouring roofing elements.    ADVANTAGE -   Cost of photovoltaically generated power is reduced to be comparable with thermally or hydraulically generated power from new power stations. Simple and reliable electrical connections.    (EP867040-A1)      The apparatus has overlapping roofing elements (1), e.g. of ceramic, glass, fibre cement, metal or bitumen compounds, and integral solar cells (2). The roof element forming the solar cell carrier is a mass-produced object meeting the required regulations. The solar cell is a glass plate with a semiconducting assembly on its underside.    A laminate foil on the underside of the cell has a damp protection film and the glass plate is so thin that mechanical loads from roofing elements can be accommodated. Connection terminals (4) are connected to the solar cell via conductors and they are formed in a direction according to the cell circuit, and a connector socket (5) is provided on the other side to which electrical cables (7) are connected from two neighbouring solar cells. The cell covers only a part of the roofing element so that no cell from another roofing element overlaps any other cells, and all electrical parts are provided in recess under the overlaps of the tiles. A cable connected to an electrical user lies upon and runs between two neighbouring roofing elements.    ADVANTAGE -   Cost of photovoltaically generated power is reduced to be comparable with thermally or hydraulically generated power from new power stations. Simple and reliable electrical connections.    (US5990414-A)      The apparatus has overlapping roofing elements (1), e.g. of ceramic, glass, fibre cement, metal or bitumen compounds, and integral solar cells (2). The roof element forming the solar cell carrier is a mass-produced object meeting the required regulations. The solar cell is a glass plate with a semiconducting assembly on its underside.    A laminate foil on the underside of the cell has a damp protection film and the glass plate is so thin that mechanical loads from roofing elements can be accommodated. Connection terminals (4) are connected to the solar cell via conductors and they are formed in a direction according to the cell circuit, and a connector socket (5) is provided on the other side to which electrical cables (7) are connected from two neighbouring solar cells. The cell covers only a part of the roofing element so that no cell from another roofing element overlaps any other cells, and all electrical parts are provided in recess under the overlaps of the tiles. A cable connected to an electrical user lies upon and runs between two neighbouring roofing elements.    ADVANTAGE -   Cost of photovoltaically generated power is reduced to be comparable with thermally or hydraulically generated power from new power stations. Simple and reliable electrical connections.    (JP2000501469-W)      The apparatus has overlapping roofing elements (1), e.g. of ceramic, glass, fibre cement, metal or bitumen compounds, and integral solar cells (2). The roof element forming the solar cell carrier is a mass-produced object meeting the required regulations. The solar cell is a glass plate with a semiconducting assembly on its underside.    A laminate foil on the underside of the cell has a damp protection film and the glass plate is so thin that mechanical loads from roofing elements can be accommodated. Connection terminals (4) are connected to the solar cell via conductors and they are formed in a direction according to the cell circuit, and a connector socket (5) is provided on the other side to which electrical cables (7) are connected from two neighbouring solar cells. The cell covers only a part of the roofing element so that no cell from another roofing element overlaps any other cells, and all electrical parts are provided in recess under the overlaps of the tiles. A cable connected to an electrical user lies upon and runs between two neighbouring roofing elements.    ADVANTAGE -   Cost of photovoltaically generated power is reduced to be comparable with thermally or hydraulically generated power from new power stations. Simple and reliable electrical connections.