Patent ID: 8890044

Claim:
A solar cell system above a surface comprising: at least one photovoltaic solar cell array, wherein each of the at least one photovoltaic solar cell array comprises: a plurality of clusters of solar cell modules, wherein each of the plurality of clusters comprises a plurality of solar cell modules connected to each other such that the plurality of solar cell modules move together about a pitch axis and about a roll axis, wherein the roll axis is parallel the surface and perpendicular the pitch axis, wherein each of the plurality of clusters of solar cell modules is configured to rotate about the roll axis, wherein the pitch axis of each of the plurality of clusters of solar modules rotates about the roll axis when the cluster rotates about the roll axis, wherein each of the solar cell modules comprises a plurality of solar cell devices, wherein each of the solar cell devices comprises: semiconductor solar cell configured to convert sunlight into electrical energy, and a concentrator lens configured to focus sunlight onto the semiconductor solar cell, and roll and pitch apparatus configured to control the roll and pitch of each of the plurality of clusters; at least one controller operably coupled to the at least one photovoltaic solar cell array and configured to predict a position of the sun during the course of a day and to determine respective actuations for the roll and pitch apparatus corresponding to the plurality of clusters of solar cell modules of the at least one photovoltaic solar cell array being substantially aligned with the sun during the course of the day; at least one longitudinal support for each of the at least one photovoltaic solar cell array configured to mount the plurality of clusters of solar cell modules in a longitudinally-extending and spaced-apart arrangement; at least one vertical support positioned along the at least one longitudinal support; and a mount for each of the plurality of clusters of solar cell modules coupled between each of the solar cell modules and to the at least one longitudinal support.