Enphase Energy, Inc., together with its subsidiaries, designs, develops, manufactures, and sells home energy solutions for the solar photovoltaic industry in the United States and internationally. The company offers semiconductor-based microinverter, which converts energy at the individual solar module level and combines with its proprietary networking and software technologies to provide energy monitoring and control. It also provides microinverter units and related accessories, an IQ gateway; IQ batteries; the cloud-based Enlighten monitoring service; storage solutions; and electric vehicle charging solutions, as well as design, proposal, permitting, and lead generation services. The company sells its solutions to solar distributors; and directly to large installers, original equipment manufacturers, strategic partners, and homeowners, as well as through its legacy product upgrade program or online store. Enphase Energy, Inc. was incorporated in 2006 and is headquartered in Fremont, California.

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.

Canadian Solar Inc., together with its subsidiaries, provides solar energy and battery energy storage products and solutions in in Asia, the Americas, Europe, and internationally. The company operates through two segments, CSI Solar and Recurrent Energy. The CSI Solar segment designs, develops, and manufactures solar ingots, wafers, cells, modules, and other solar power and battery storage products. It offers standard solar modules and battery storage solutions; solar system kits, such as inverters, racking systems, and other accessories; power electronic products; and engineering, procurement, and construction (EPC) services, as well as operates battery energy storage projects. The Recurrent Energy segment engages in the development, construction, maintenance, and sale of solar power and battery storage projects; and operation of solar power plants; and sale of electricity. This segment provides operation and maintenance (O&M) services, including monitoring, inspections, repair, and replacement of plant equipment; and site management and administrative support services for solar projects, as well as asset management services. It has a fleet of solar and battery energy storage plants in operation with an aggregate capacity of approximately 1,005 MWp and 600 MWh. It serves distributors, system integrators, project developers, and installers/EPC companies, as well as utility companies or grid operators, public utilities, licensed suppliers, corporate offtakers, and commercial, industrial or government end users. It sells its products primarily under its Canadian Solar brand name. Canadian Solar Inc. was incorporated in 2001 and is based in Guelph, Canada.

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.

Sunnova Energy International Inc. engages in the provision of energy as a service in the United States. The company offers electricity, as well as offers operations and maintenance, monitoring, repairs and replacements, equipment upgrades, on-site power optimization, and solar energy system and energy storage system diagnostics services. As of December 31, 2023, it operated a fleet of residential solar energy systems with a generation capacity of approximately 2,292 megawatts serving over 419,000 customers. The company was incorporated in 2012 and is headquartered in Houston, Texas.