SunPower Patent Grants

Clamps for solar system

Granted: October 29, 2024
Patent Number: 12132439
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…

Photovoltaic module mounting assembly

Granted: October 15, 2024
Patent Number: 12119779
The present disclosure provides photovoltaic (PV) module mounting systems and bracket assemblies for securing PV modules to roofs. The photovoltaic module mounting systems may include a roofing panel having a base layer, a flashing panel coupled along an edge of the roofing panel, and a bracket assembly coupled to the roofing panel, where the bracket assembly includes a bracket and a clip, and where the clip is configured to couple with an edge feature of a PV module to secure the PV…

Display screen or portion thereof with graphical user interface

Granted: September 24, 2024
Patent Number: D1043743

Display screen or portion thereof with graphical user interface

Granted: September 17, 2024
Patent Number: D1042512

Junction box for a photovoltaic module mounting assembly

Granted: July 9, 2024
Patent Number: 12034398
The present disclosure provides junction boxes for use with roof-mounted photovoltaic (PV) modules. The junction boxes may include a housing having a plurality of sides, a bottom having an aperture, and a top edge having a top opening, where the top edge has a lip disposed around the top edge and projecting upward from the top edge. The junction boxes may further include a lid removably coupled to the top edge of the housing and a seal disposed on an outer surface of the bottom of the…

Remote site survey for photovoltaic system site

Granted: July 2, 2024
Patent Number: 12028019
Remotely surveying a photovoltaic system site includes receiving a photograph uploaded by a user device; analyzing the photograph using a trained machine learning model; receiving a confidence score from the trained machine learning model; determining if the photograph includes predetermined information, the predetermined information being used to perform a remote photovoltaic (PV) system site survey remotely; and in response to a determination that the photograph does not include the…

Systems and methods for photovoltaic production curtailment and autonomous load breaking

Granted: June 25, 2024
Patent Number: 12021388
The present disclosure provides curtailing photovoltaic (PV) power output and autonomous load breaking in a backup mode of an electrical system. The electrical system includes a PV system, an energy storage system having a storage converter, and an energy control system. The energy control system is electrically coupled to the PV system, the energy storage system, and a plurality of backup loads. The electrical system includes an autonomous load breaker electrically coupled to a first…

Cabling systems for rooftop photovoltaic solar systems

Granted: June 18, 2024
Patent Number: 12015377
Rooftop photovoltaic solar systems and methods for installing interconnection wiring for photovoltaic solar systems. Cabling systems can include cable support stands secured underneath shingles. Cabling systems can include molded rubber raceways mounted using raceway clips secured underneath shingles.

Multi-drive solar-tracking photovoltaic system

Granted: June 4, 2024
Patent Number: 12003208
A solar-tracking photovoltaic (PV) system having several PV modules mounted on a torque tube is described. The torque tube may include several sections joined by a torque tube coupler. For example, the torque tube coupler may having a medial section and end sections to join to the torque tube sections. The medial section and the torque tube sections may have a same outer diameter.

Methods and systems for integrating energy control systems with electrical systems

Granted: June 4, 2024
Patent Number: 12003213
The present disclosure provides systems and methods for integrating an energy control system with an electrical system having a utility meter connected to a utility grid, a photovoltaic (PV) system, an energy storage system, and a plurality of electrical loads. The systems and methods include determining a site condition of the electrical system, determining a type of backup configuration for the electrical system based on the determined site condition, and determining a location of at…

Water sealing surface attachment

Granted: June 4, 2024
Patent Number: 12000428
A mounting assembly for securing fixtures to a mounting structure may include a first fastener, a washer, a mounting bracket, and second fastener. The first fastener may be coupled to the mounting structure through a mounting aperture. The washer may be disposed around shaft of the first fastener between a head of the first fastener and the mounting surface. The mounting bracket may be disposed on top of the first fastener. The second fastener may be disposed through the mounting bracket…

Systems and methods for improved installation of photovoltaic assemblies

Granted: April 2, 2024
Patent Number: 11949032
Improved photovoltaic (PV) assemblies for converting solar radiation to electrical energy and methods of installation thereof are disclosed herein. PV arrays comprising a plurality PV modules are also described herein. A PV assembly can comprise at least one PV module having a front side and a back side opposite the front side. A PV module can comprise a plurality of solar cells encapsulated within a PV laminate. In some embodiments, a PV module includes a frame at least partially…

Systems and method for determining solar panel placement and energy output

Granted: April 2, 2024
Patent Number: 11947880
Determining solar panel placement enables sales representatives and homeowners to modify a solar power system by adding or removing solar panels or arrays of solar panels, or changing module type. The user sees the corresponding solar energy production update instantly in a user interface. Determining solar panel placement includes receiving data corresponding to an installation location. A maximum solar panel design is determined based on the installation location. Energy production is…

Energy control system

Granted: December 26, 2023
Patent Number: 11855482
The present disclosure provides energy control systems for whole home and partial home backup with integrated breaker spaces and metering. The energy control system includes a grid interconnection electrically coupled to a utility grid, a backup power interconnection electrically coupled to a backup power source, a backup load interconnection electrically coupled to at least one backup load, and a non-backup load interconnection electrically coupled to at least one non-backup load. The…

Backup load energy control system

Granted: November 7, 2023
Patent Number: 11811261
The present disclosure provides a method for controlling an energy control system. The energy control system includes a grid interconnection, a backup load interconnection, a non-backup load interconnection, and a backup power interconnection. The method includes receiving electronic data from a plurality of backup loads. The method includes detecting a power outage at the grid interconnection electrically coupled to a utility grid. The method includes disconnecting the grid…

Methods of recycling silicon swarf into electronic grade polysilicon or metallurgical-grade silicon

Granted: October 10, 2023
Patent Number: 11784276
Methods of recycling silicon swarf into electronic grade polysilicon or metallurgical-grade silicon are described herein are described. In an example, a method includes cutting a silicon ingot and recovering silicon swarf having a first purity from the cutting process. The recovered silicon is purified in an upgraded metallurgical silicon process to produce electronic grade polysilicon particles having a second purity higher than the first purity. The upgraded metallurgical silicon…

Solar panel

Granted: September 26, 2023
Patent Number: D999723

Contacts for solar cells

Granted: March 28, 2023
Patent Number: 11616159
A method of fabricating a solar cell is disclosed. The method can include forming a dielectric region on a surface of a solar cell structure and forming a metal layer on the dielectric layer. The method can also include configuring a laser beam with a particular shape and directing the laser beam with the particular shape on the metal layer, where the particular shape allows a contact to be formed between the metal layer and the solar cell structure.

Estimating performance of photovoltaic systems

Granted: March 28, 2023
Patent Number: 11615487
An energy evaluation system includes an energy system modeling framework and an Application Program Interface (API) as part of the energy system evaluation framework. The energy evaluation system can be configured to query a simulation application program interface (API) with PV system configuration parameters as arguments, generate a shade loss time series based on the system configuration parameters, simulate energy output for the PV system based on the shade loss time series, and…

Solar cell having an emitter region with wide bandgap semiconductor material

Granted: March 14, 2023
Patent Number: 11605750
Solar cells having emitter regions composed of wide bandgap semiconductor material are described. In an example, a method includes forming, in a process tool having a controlled atmosphere, a thin dielectric layer on a surface of a semiconductor substrate of the solar cell. The semiconductor substrate has a bandgap. Without removing the semiconductor substrate from the controlled atmosphere of the process tool, a semiconductor layer is formed on the thin dielectric layer. The…