Sunrun Inc. designs, develops, installs, sells, owns, and maintains residential solar energy systems in the United States. It also sells solar energy systems and products, such as panels and racking; and solar leads generated to customers. In addition, the company offers battery storage along with solar energy systems; and sells services to commercial developers through multi-family and new homes. Its primary customers are residential homeowners. The company markets and sells its products through direct-to-consumer approach across online, retail, mass media, digital media, canvassing, field marketing, and referral channels, as well as its partner network. Sunrun Inc. was founded in 2007 and is headquartered in San Francisco, California.

SolarEdge Technologies, Inc., together with its subsidiaries, designs, develops, manufactures, and sells direct current (DC) optimized inverter systems for solar photovoltaic (PV) installations in the United States, Germany, the Netherlands, Italy, rest of Europe, and internationally. The company offers power optimizers, inverters, batteries, storage solutions, electric vehicle chargers, smart tracking solutions, and smart energy management software products; Monitoring platform, a cloud-based monitoring platform, which collects power, voltage, current, and system data sent from inverters and power optimizers; and MySolarEdge app, that enables system owners to track their real-time system production and household energy consumption. It also provides Designer platform, an web-based tool that helps solar professionals to plan, build, and validate residential and commercial systems; Mapper application for registering the physical layout of new PV sites installed with DC optimized inverter systems; SetApp application that activates and configurate inverters; and grid services. in addition, the company offers e-mobility products, automated machines, and UPS products; and pre-sales support, ongoing trainings, and technical support and after installation services. It sells its products through solar installers and distributors, electrical equipment wholesalers, and PV module manufacturers, as well as engineering, procurement, and construction firms. The company was incorporated in 2006 and is headquartered in Herzliya, Israel.

Fluence Energy, Inc., through its subsidiaries, offers energy storage products and solution, services, and artificial intelligence enabled software-as-a-service products for renewables and storage applications in the Americas, the Asia Pacific, Europe, the Middle East, and Africa. The company sells energy storage products with integrated hardware, software, and digital intelligence. Its energy storage products include Gridstack Pro, a large-scale front-of-the-meter application; Gridstack, a front-of-the-meter application; Sunstack, a DC-coupled energy storage product for DC-coupled solar + storage projects; Edgestack, for smaller-scale commercial and industrial use cases; and Ultrastack, for critical system requirements of distribution and transmission networks. The company also provides engineering and delivery services to support the deployment of its storage products; operational and maintenance services; and digital applications. It serves independent power producers, developer, utilities, and other generators. Fluence Energy, Inc. was founded in 2018 and is headquartered in Arlington, Virginia. Fluence Energy, Inc. is a joint venture of Siemens Aktiengesellschaft and The AES Corporation.

SolarMax Technology, Inc., through its subsidiaries, operates as an integrated solar energy company in the United States and China. The company engages in the sale and installation of photovoltaic and battery backup systems; sale of LED systems; and identifying and procuring solar farm projects for resale to third parties, as well as provision of engineering, procuring, and construction services for solar farm projects. It serves residential, commercial, and government customers. SolarMax Technology, Inc. was incorporated in 2008 and is headquartered in Riverside, California.

Tigo Energy, Inc. provides solar and energy storage solutions for the solar industry. It offers module level power electronics (MLPEs) to maximize the energy output of individual solar modules. The company also provides GO Energy Storage Systems that provide solar energy storage management capabilities; and Energy Intelligence (EI) platform, which provides monitoring and energy demand forecasting capabilities. In addition, it offers GO Battery that provides energy resilience in the event of a grid outage and optimizes energy consumption based on rate plans for home energy needs; GO Inverter, which offers energy conversion for home consumption or export to the grid; GO Link/Automatic Transfer Switch (ATS), a component for battery backup of on-grid systems; and GO Electric Vehicle (EV) Charger to reduce transportation costs. The company serves residential, commercial, and utility sectors through distributors and solar installers in North and South America, Europe, the Middle East, Africa, and the Asia-Pacific regions. Tigo Energy, Inc. was founded in 2007 and is headquartered in Campbell, California.

SPI Energy Co., Ltd. provides photovoltaic and electric vehicle (EV) solutions for business, residential, government, and utility customers and investors in Australia, Japan, Italy, the United States, the United Kingdom, and Greece. The company offers engineering, procurement, and construction services to independent power developers and producers, and commercial and industrial companies. It also develops, owns, and operates solar projects that sell electricity to power companies and other electricity off-takers, including government-owned utility companies. In addition, the company sells self-assembled solar modules, forklifts, pre-development solar projects, component and charging stations, as well as offers shipping, delivery, engineering, and maintenance services. As of April, 2022, it owned and operated 17.51 megawatts of solar projects. The company is headquartered in Sacramento, California.

Pineapple Energy Inc. engages in the sale, design, and installation of photovoltaic solar energy systems and battery storage systems in the United States. Its brand portfolio includes SUNation, Hawaii Energy Connection, E-Gear, Sungevity, and Horizon Solar Power. The company develops and manufactures energy management software and hardware, such as energy management control devices on solar systems that are paired with batteries. It primarily serves residential homeowners, as well as commercial owners, other municipal customers, energy services companies, and other utilities. Pineapple Energy Inc. was founded in 1969 and is based in Minnetonka, Minnesota.

SunPower Corporation, a solar technology and energy services provider, offers solar, storage, and home energy solutions primarily in the United States and Canada. Its solutions include the Equinox and SunVault systems which are pre-engineered modular solutions for residential applications that combine solar module technology with integrated plug-and-play power stations, cable management systems, and mounting hardware that enable dealers and installers to complete system installations, as well as for end customers to manage their energy production. The company also provides post-installation monitoring and maintenance services. It serves residential customers, including individual homeowners and new home builders. The company was incorporated in 1985 and is headquartered in Richmond, California. SunPower Corporation operates as a subsidiary of TotalEnergies SE.