A method for electrically interconnecting a plurality of thin film photovoltaic plates, wherein the method comprises: positioning a plurality of thin film photovoltaic plates side by side, each of the plurality of thin film photovoltaic plates comprising a first plate electrode of a first polarity and a second plate electrode of a second polarity opposite to the first polarity, the first plate electrode and the second plate electrode being at least partially exposed on the same surface and at opposite edges of the thin film photovoltaic plate; providing a connection element on said surface of each of the plurality of thin film photovoltaic plates, the connection element comprising a plurality of electrically conductive wires arranged in a grid structure; physically separating each connection element into a first connection part comprising a plurality of first electrically conductive wires and a second connection part comprising a plurality of second electrically conductive wires such that, on said surface of each of the plurality of thin film photovoltaic plates, the plurality of first electrically conductive wires is electrically insulated from the plurality of second electrically conductive wires; forming, for each of the plurality of thin film photovoltaic plates, a first electrical connection between corresponding first electrically conductive wires and the first plate electrode; forming, for each of the plurality of thin film photovoltaic plates, a second electrical connection between corresponding second electrically conductive wires and the second plate electrode; providing a first busbar of the first polarity and a second busbar of the second polarity; and forming, for each of the plurality of thin film photovoltaic plates, a first electrical busbar connection between the corresponding first electrically conductive wires and the first busbar and a second electrical busbar connection between the corresponding second electrically conductive wires and the second busbar, thereby electrically interconnecting the plurality of thin film photovoltaic plates. positioning a plurality of thin film photovoltaic plates side by side, each of the plurality of thin film photovoltaic plates comprising a first plate electrode of a first polarity and a second plate electrode of a second polarity opposite to the first polarity, the first plate electrode and the second plate electrode being at least partially exposed on the same surface and at opposite edges of the thin film photovoltaic plate; providing a connection element on said surface of each of the plurality of thin film photovoltaic plates, the connection element comprising a plurality of electrically conductive wires arranged in a grid structure; physically separating each connection element into a first connection part comprising a plurality of first electrically conductive wires and a second connection part comprising a plurality of second electrically conductive wires such that, on said surface of each of the plurality of thin film photovoltaic plates, the plurality of first electrically conductive wires is electrically insulated from the plurality of second electrically conductive wires; forming, for each of the plurality of thin film photovoltaic plates, a first electrical connection between corresponding first electrically conductive wires and the first plate electrode; forming, for each of the plurality of thin film photovoltaic plates, a second electrical connection between corresponding second electrically conductive wires and the second plate electrode; providing a first busbar of the first polarity and a second busbar of the second polarity; and forming, for each of the plurality of thin film photovoltaic plates, a first electrical busbar connection between the corresponding first electrically conductive wires and the first busbar and a second electrical busbar connection between the corresponding second electrically conductive wires and the second busbar, thereby electrically interconnecting the plurality of thin film photovoltaic plates.