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.

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.

JinkoSolar Holding Co., Ltd., together with its subsidiaries, engages in the design, development, production, and marketing of photovoltaic products. The company offers solar modules, silicon wafers, solar cells, recovered silicon materials, and silicon ingots. It also provides solar system integration services; solar power generation and solar system EPC services; and energy storage system, as well as undertakes solar power projects. The company sells its products to distributors, project developers, system integrators, and manufacturers of solar power products under the JinkoSolar brand. As of December 31, 2023, it had an integrated annual capacity of 85 gigawatts (GW) for mono wafers; 90 GW for solar cells; and 110 GW for solar modules. It operates in China, the United States, Mexico, Australia, Japan, the United Arab Emirates, Turkey, Jordan, Vietnam, Egypt, Spain, Germany, and internationally. JinkoSolar Holding Co., Ltd. was founded in 2006 and is headquartered in Shangrao, 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.

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.

FTC Solar, Inc. engages in the provision of solar tracker systems, software, and engineering services in the United States, Asia, Europe, the Middle East, North Africa, South Africa, and Australia. The company offers a self-powered, two-panel in-portrait, and single-axis tracker solution under the Voyager brand name; and a one module-in-portrait solar tracker solution under the Pioneer brand name. Its customers include project developers and solar asset owners, as well as engineering, procurement, and construction contractors that design and build solar energy projects. The company was incorporated in 2017 and is headquartered in Austin, Texas.

Ascent Solar Technologies, Inc., a solar technology company, engages in the manufacture and sale of photovoltaic solar modules in the United States. The company markets and sells its products through OEMs, system integrators, distributors, retailers, and value-added resellers. It serves agrivoltaics, aerospace, satellites, near earth orbiting vehicles, and fixed wing unmanned aerial vehicles. Ascent Solar Technologies, Inc. was incorporated in 2005 and is headquartered in Thornton, Colorado.

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.