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.

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.

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.

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.