Abstract: A payment system transmits an authorization token to a mobile device. The authorization token enables the mobile device to create a barcode. The system receives from a point of sale device, in connection with reading the barcode, the authorization token and information relating to a product or service for purchase. The system validates the authorization token, and compares the information relating to the product or service with information associated with a virtual payment account. In response to the comparison, the system either authorizes the purchase or denies the purchase. The system transmits the authorization or denial to the point of sale device, and applies a purchase amount to the virtual payment account.

Abstract: A panel (10) that is a roof cover for a sloped roof and that also is a mounting system for an array of PV modules (132). The panels (10) define rails (22, 24, 28, 30) that interlock with grooves (46, 48, 124, 126) to secure adjacent panels in each row of the array. The modules (132) are supported by bosses (34, 120) that determine the height of the module array and avoid the interlocking structure between the modules.

Abstract: A panel (10) that is a roof cover for a sloped roof and that also is a mounting system for an array of PV modules (132). The panels (10) define rails (22, 24, 28, 30) that interlock with grooves (46, 48, 124, 126) to secure adjacent panels in each row of the array. The modules (132) are supported by bosses (34, 120) that determine the height of the module array and avoid the interlocking structure between the modules.