A solar cell assembly comprising: a support comprising a first side and an opposing second side; a first conductive layer comprising first and second spaced-apart conductive portions disposed on the second side of the support; a plurality of solar cells (200-207, 500-507, 810-817)) mounted on the first side of the support, each solar cell of the plurality of solar cells comprising a top surface including a contact of a first polarity type (210, 207a), and a rear surface including a contact of a second polarity type (251, 207b, 507b); a plurality of first vias (301, 303, 305, 307, 309, 311, 313, 315) in the support extending from the first side of the support to the second side of the support; a plurality of second vias (302, 304, 306, 308, 310, 312, 314, 316) in the support extending from the first side of the support to the second side of the support; a plurality of first conductive interconnects extending from the first side of the support to the first conductive portion of the first conductive layer, each respective interconnect making electrical contact with the contact of the first polarity type of a respective solar cell and extending through a respective one of the first vias to make electrical contact with the first conductive portion of the first conductive layer disposed on the second side of the support; a plurality of second conductive interconnects extending from the first side of the support to the second conductive portion of the first conductive layer, each respective interconnect making electrical contact with the contact of the second polarity type of a respective solar cell and extending through a respective one of the second vias to make electrical contact with the second conductive portion of the first conductive layer disposed on the second side of the support; and a first terminal of the solar cell assembly of a first polarity type disposed on the second side of the support and connected to the first conductive portion of the first conductive layer; a second terminal of the solar cell assembly of a second polarity type disposed on the second side of the support and connected to the second conductive portion of the first conductive layer; characterized in that the solar cell assembly further comprises a second conductive layer comprising spaced-apart conductive portions disposed on the first side of the support, with each of the solar cells mounted on a respective one of the conductive portions, and wherein the first and second conductive portions of the first conductive layer and the spaced-apart conductive portions of the second conducive layer, have a thickness in the range of 5 to 50 microns.. a support comprising a first side and an opposing second side; a first conductive layer comprising first and second spaced-apart conductive portions disposed on the second side of the support; a plurality of solar cells (200-207, 500-507, 810-817)) mounted on the first side of the support, each solar cell of the plurality of solar cells comprising a top surface including a contact of a first polarity type (210, 207a), and a rear surface including a contact of a second polarity type (251, 207b, 507b); a plurality of first vias (301, 303, 305, 307, 309, 311, 313, 315) in the support extending from the first side of the support to the second side of the support; a plurality of second vias (302, 304, 306, 308, 310, 312, 314, 316) in the support extending from the first side of the support to the second side of the support; a plurality of first conductive interconnects extending from the first side of the support to the first conductive portion of the first conductive layer, each respective interconnect making electrical contact with the contact of the first polarity type of a respective solar cell and extending through a respective one of the first vias to make electrical contact with the first conductive portion of the first conductive layer disposed on the second side of the support; a plurality of second conductive interconnects extending from the first side of the support to the second conductive portion of the first conductive layer, each respective interconnect making electrical contact with the contact of the second polarity type of a respective solar cell and extending through a respective one of the second vias to make electrical contact with the second conductive portion of the first conductive layer disposed on the second side of the support; and a first terminal of the solar cell assembly of a first polarity type disposed on the second side of the support and connected to the first conductive portion of the first conductive layer; a second terminal of the solar cell assembly of a second polarity type disposed on the second side of the support and connected to the second conductive portion of the first conductive layer;