A system and method are disclosed for quickly and easily assembling PV modules into a PV array in a sturdy and durable manner. In examples of the present technology, the system includes various couplings having a first engaging portion adapted to engage a first PV module and a second engaging portion adapted to engage a second PV module. At least one of the engaging portions allows variable positioning of the engaged PV module along the engaging portion.

A floating solar photovoltaic device includes a plurality of solar photovoltaic modules, each of the solar photovoltaic modules being connected by cords to an internal frame and the internal frames being arranged in an array of rows and columns. The cords can permit movement of one of the solar photovoltaic modules to be independent of movement of another of the solar photovoltaic modules. The cords can restrict movement of one of the solar photovoltaic modules to prevent collision with another of the solar photovoltaic modules. The cords can diminish transfer of forces bearing on one of the solar photovoltaic modules to another of the solar photovoltaic modules.

In an example, the solar tracker has a clamp assembly configured to pivot a torque tube. In an example, the assembly has a support structure configured as a frame having configured by a first and second anchoring region. In an example, the support structure is configured from a thickness of metal material. In an example, the support structure is configured in an upright manner, and has a major plane region. In an example, the assembly has a pivot device configured on the support structure, a torque tube suspending on the pivot device and aligned within an opening of the support, and configured to be normal to the plane region. In an example, the torque tube is configured on the pivot device to move about an arc in a first direction or in a second direction such that the first direction is in a direction opposite to the second direction.

In an example, the solar tracker has a clamp assembly configured to pivot a torque tube. In an example, the assembly has a support structure configured as a frame having configured by a first and second anchoring region. In an example, the support structure is configured from a thickness of metal material. In an example, the support structure is configured in an upright manner, and has a major plane region. In an example, the assembly has a pivot device configured on the support structure, a torque tube suspending on the pivot device and aligned within an opening of the support, and configured to be normal to the plane region. In an example, the torque tube is configured on the pivot device to move about an arc in a first direction or in a second direction such that the first direction is in a direction opposite to the second direction.

A rail-less roof mounting system for installing photovoltaic (PV) modules on a roof structure comprises a base mount assembly that engages with a clamp assembly and attaches to the roof structure. The base mount assembly comprises a base member having a waterproof means, a block slider, a top slider and a covering means. An elevated seal portion of a block slider includes a borehole to receive the waterproof means. A vertical engaging portion of the block slider is attached with a sliding seal member of the top slider. The clamp assembly includes a clamp member and a plate member and the clamp member is attached with a track of the top slider. The clamp member interlocks the PV modules to provide a corner-to-corner coupling arrangement, which enables the connection of PV module corners to adjacent PV module corners by sandwiching above and beneath frame members of the PV modules.

A solar array with successive rows of photovoltaic modules angled in opposing directions forming peaks and valleys between the rows with the valleys (i.e.: lower sides of the photovoltaic module rows) being mounted close together and the peaks (i.e.: upper sides of the photovoltaic module rows) being mounted far apart to improve system aerodynamics and permit ease of access for installers. Included is a system for connecting the upper sides of the photovoltaic modules to connectors that slide on bars extending between upper and lower mounting bases and for pivot locking the lower sides of the photovoltaic modules to the lower mounting bases.

A rail-less roof mounting system for installing photovoltaic (PV) modules on a roof structure comprises a base mount assembly that engages with a clamp assembly and attaches to the roof structure. The base mount assembly comprises a base member having a waterproof means, a block slider, a top slider and a covering means. An elevated seal portion of a block slider includes a borehole to receive the waterproof means. A vertical engaging portion of the block slider is attached with a sliding seal member of the top slider. The clamp assembly includes a clamp member and a plate member and the clamp member is attached with a track of the top slider. The clamp member interlocks the PV modules to provide a corner-to-corner coupling arrangement, which enables the connection of PV module corners to adjacent PV module corners by sandwiching above and beneath frame members of the PV modules.

A solar power system is mounted to a solar power componentry support structure suspended above a pre-existing surface by a collective of solar collector suspension base supports. Suspended solar power system row support structure members and suspended solar power system column support structure members may for a solar component position lattice to which a matrix of individual solar power components such as solar panels can be attached. Solar module quick-fasten assemblages may serve also as solar componentry emergency releases and may include loose axis retainers and firm axis fasteners such as dual component, single point operative emergency releases and fasteners. Slide-in retainers and corner slot tabs can be included as well as frame alignment notches. Fulcrum pivot fasteners and slide wedge releases can aid in installation and release. Pre-sealed roof base supports such as semidome base supports can include a sandwiched membrane.

A photovoltaic (PV) module mounting system including a mounting bracket that has a curved mating surface extending as an arch between a pair of flat mounting feet portions. The mounting bracket supports a PV module coupling device. A hanger bolt is provided that has a first threaded portion adapted to engage a roof surface and a second threaded portion for passing through the curved mating surface of the mounting bracket. A threaded knob is adapted to mate with the second threaded portion of the hanger bolt.

A solar power system can include a rail and a solar module disposed on the rail. A clamp assembly can couple the solar module to the rail. The clamp assembly can have a clamped configuration in which the solar module is secured to the rail and an unclamped configuration. The clamp assembly can comprise an upper clamp member, a lower clamp member coupled to the rail, and a stabilization member mechanically engaging the upper clamp member and the lower clamp member. The stabilization member can prevent rotation of the lower clamp member relative to the rail when the clamp assembly is in the clamped and unclamped configurations. In the unclamped configuration, the stabilization member can be biased such that the upper clamp member is disposed at a sufficient clearance above the rail to permit the insertion of the solar module between the upper clamp member and the rail.