First Solar, Inc., a solar technology company, provides photovoltaic (PV) solar energy solutions in the United States, France, Japan, Chile, and internationally. The company manufactures and sells PV solar modules with a thin film semiconductor technology that provides a lower-carbon alternative to conventional crystalline silicon PV solar modules. It designs, manufactures, and sells cadmium telluride solar modules that converts sunlight into electricity. The company's residual business operations include project development activities, operations and maintenance services, and the sale of PV solar power systems to third-party customers. It serves developers and operators of systems, utilities, independent power producers, commercial and industrial companies, and other system owners. The company was formerly known as First Solar Holdings, Inc. and changed its name to First Solar, Inc. in 2006. First Solar, Inc. was founded in 1999 and is headquartered in Tempe, Arizona.

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.

Daqo New Energy Corp., together with its subsidiaries, manufactures and sells polysilicon to photovoltaic product manufacturers in the People's Republic of China. Its products are used in ingots, wafers, cells, and modules for solar power solutions. The company was formerly known as Mega Stand International Limited and changed its name to Daqo New Energy Corp. in August 2009. Daqo New Energy Corp. was founded in 2006 and is based in Shanghai, the People's Republic of China.

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.

Maxeon Solar Technologies, Ltd. designs, manufactures, markets, and sells solar panels and related solar system components worldwide. The company provides interdigitated back contact and shingled solar cells and panels under the SunPower brand. It offers its products to dealers, project developers, system integrators, distributors, resellers, and residential and small-scale commercial customers. Maxeon Solar Technologies, Ltd. was incorporated in 2019 and is headquartered in Singapore.

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.

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.