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.

Nextracker Inc., an energy solutions company, provides solar tracker and software solutions for utility-scale and distributed generation solar projects in the United States and internationally. The company offers tracking solutions, which includes NX Horizon, a solar tracking solution; and NX Horizon-XTR, a terrain-following tracker designed to expand the addressable market for trackers on sites with sloped, uneven, and challenging terrain. It also provides TrueCapture, a self-adjusting tracker control system, which boosts solar power plant production by optimizing the position of individual tracker row in response to site features, such as varying topography and changing weather conditions; and NX Navigator, that assists solar power plant owners and operators in monitoring, controlling, and protecting their solar projects. The company was founded in 2013 and is headquartered in Fremont, California. As of March 31, 2024 Nextracker Inc. was formerly a subsidiary of Flex Ltd.

Array Technologies, Inc. manufactures and sells ground-mounting tracking systems used in solar energy projects in the United States, Spain, Brazil, Australia, and internationally. The company operates in two segments, Array Legacy Operations and STI Operations. Its products portfolio includes DuraTrack HZ v3, a single axis tracker; Array STI H250 that delivers a lower levelized cost of energy with tracker system; Array OmniTrack; and SmarTrack, a software product that uses site-specific historical weather and energy production data in combination with machine learning algorithms to identify the optimal position for a solar array in real time to enhance energy production. Array Technologies, Inc. was incorporated in 1987 and is headquartered in Albuquerque, New Mexico.

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.

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.

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.