An A-Frame solar panel array system is configured to produce a high amount of electrical power for a given amount of ground space with a plurality of solar panels on both a forward beam and a plurality of solar panels on a trailing beam in an elevated position above the ground. This elevated positioning enables more solar panels to be configured over a given amount of ground area. The solar panels are spaced along the trailing and forward beams with a vertical offset between the trailing and forward beams to enable sunlight to pass therethrough to enable exposure to sunlight, through the forward beam array of solar panels onto the trailing beam array of solar panels. A solar panel actuator is configured to rotate the solar panels for increasing solar panel exposure throughout the year. The solar panels may only be configured to rotate trailing/forward.

A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

A solar tracker system comprising a plurality of on sun trackers and a plurality of off sun tracker. Each tracker is selectively adjusted to achieve a desired power output of the solar power plant system in an example.

Solar receivers including a plurality of multi-scale solar absorbing surfaces arranged such that light or heat reflected from or emitted from one or more of the plurality of solar absorbing surfaces impinges one or more other solar absorbing surfaces of the solar receiver. The disclosed receivers increase the amount of absorbed energy from a concentrated light source, such as a heliostat field, and reduce radiative and convective heat losses.

Solar receivers including a plurality of multi-scale solar absorbing surfaces arranged such that light or heat reflected from or emitted from one or more of the plurality of solar absorbing surfaces impinges one or more other solar absorbing surfaces of the solar receiver. The disclosed receivers increase the amount of absorbed energy from a concentrated light source, such as a heliostat field, and reduce radiative and convective heat losses.

Pivoting members for pivoting a solar array mounted to a torque rail and tracking systems that include such pivoting members are disclosed. The pivoting member may include a liner between a rotating inner member and the outer housing of the pivoting member to reduce friction during pivoting of the solar array.