NOVELTY - A photovoltaic array comprises nodes (110) connected by extendable interconnects (116), the nodes are arranged in a regular, ordered arrangement, and where certain of the extendable interconnects are configured to provide electrical connection between certain of the nodes.    USE - The photovoltaic array is used in solar cell assembly and devices.    ADVANTAGE - The present invention provides photovoltaic array and micro-concentrator solar cell assemblies comprising photovoltaic nodes coupled by extendable interconnectors or interconnects, methods of making, and devices and modules formed from it.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are:    (1) a micro-concentrator solar cell assembly comprising photovoltaic nodes, where a respective first node and second node of the photovoltaic nodes are coupled by extendable interconnects; and a sheet of material affixed to at least the first node and the second node, where the sheet of material holds the first node and the second node and the extendable interconnects in an extended position;    (2) a micro-concentrator solar cell assembly comprising photovoltaic nodes, where a respective first node and second node of the photovoltaic nodes are coupled by extendable interconnects; and lenses coupled to the photovoltaic nodes, where a respective lens of the lenses is aligned to concentrate light on a respective node of the nodes;    (3) a micro-concentrator solar cell assembly comprising photovoltaic nodes, where a respective first node and second node of the photovoltaic nodes are coupled by an extendable interconnect; lenses coupled to a first side of the photovoltaic nodes, where a respective lens of the lenses is aligned to concentrate light onto a respective node of the nodes; and reflectors coupled to a second side of the photovoltaic nodes, where a respective reflector of the reflectors is aligned to concentrate light on a respective node of the nodes, where the second side is opposite to the first side;    (4) a solar cell device comprising a node; and at least two extendable interconnects attached to and extending from the node and coiled around at least a portion of the node at a minimum radius of curvature (Rmin);    (5) a solar cell assembly comprising photovoltaic nodes, where a respective first node and second node of the photovoltaic nodes are coupled by an extendable interconnect; and reflectors coupled to the photovoltaic nodes, where a respective reflector of the reflectors is aligned to concentrate light on a respective node of the nodes;    (6) a method of stretching nodes to form an array of nodes by locating a respective first node and a respective second node of photovoltaic nodes, where the first node and second node are coupled by coiled extendable interconnects; placing a first pin on the first node and placing a second pin on the second node; and moving the first pin and second pin apart while retaining contact with the respective first node and second node;    (7) a method of making a photovoltaic node and an extendable interconnect by fabricating a respective first node and a respective second node of photovoltaic nodes on a wafer, where the first node and second node are coupled by a coiled or folded interconnect; performing anisotropic etch between portions of the coiled interconnect; and releasing the nodes and interconnect from the wafer;    (8) a smart window comprising a photovoltaic array formed in the window, the array comprising: nodes connected by extendable interconnects, the nodes being arranged in a regular, ordered arrangement, and where certain of the extendable interconnects are configured to provide electrical connection between certain of the nodes;    (9) a system comprising one or more processors; memory; and one or more programs stored in the memory, the one or more programs comprising instructions to: locate a respective first node and a respective second node of photovoltaic nodes, where the first node and second node are coupled by coiled extendable interconnects; place a first pin on the first node and placing a second pin on the second node; and move the first pin and second pin apart while retaining contact with the respective first node and second node;    (10) a computer readable storage medium storing one or more programs configured for execution by a computer, the one or more programs comprising instructions to: locate a respective first node and a respective second node of photovoltaic nodes, where the first node and second node are coupled by coiled extendable interconnects; place a first pin on the first node and placing a second pin on the second node; and move the first pin and second pin apart while retaining contact with the respective first node and second node;    (11) a computer readable storage medium storing one or more programs configured for execution by a computer, the one or more programs comprising instructions to: fabricate a respective first node and a respective second node of photovoltaic nodes on a wafer, where the first node and second node are coupled by a coiled or folded interconnect; perform anisotropic etch between portions of the coiled interconnect; and release the nodes and interconnect from the wafer; and    (12) a building integrated photovoltaic (BIPV) module comprising one or more roof tiles; and an photovoltaic array affixed to or integrate with the one or more roof tiles, the photovoltaic array comprising nodes connected by extendable interconnects, the nodes being arranged in a regular, ordered arrangement, and where certain of the extendable interconnects are configured to provide electrical connection between certain of the nodes.    Rmin = t/2 epsilon max where:    t = thickness of the extendable interconnect; and    epsilon max = maximum strain the extendable interconnects can withstand before fracture.    .    DESCRIPTION OF DRAWING(S) - The drawing shows a top view of node with extendable interconnect.    Photovoltaic device (100)    Node (110)    First end (112)    Second end (114)    Extendable interconnect (116)