Top 10 Floating Solar Companies Transforming Water-Based Energy in 2026

1. Introduction

Overview of the Global Floating Solar Industry

The Top Companies in the Floating Solar Industry operate within a global photovoltaic sector that approached 3 TW of cumulative installed capacity by the end of 2025, after an estimated 698 GW of new PV systems were installed during the year. Floating photovoltaic systems remain a specialized part of this enormous solar base, but commercial plants now range from small agricultural reservoirs to projects exceeding 100 MW. Indonesia's operational Cirata plant provides 145 MW, India's Omkareshwar development incorporates floating arrays exceeding 100 MW, and Singapore has operated a 60 MWp installation at Tengeh Reservoir since 2021. Floating solar is used on hydropower reservoirs, water-treatment reservoirs, irrigation ponds, quarry lakes, mining sites, industrial basins and increasingly marine environments.

Commercial maturity has advanced substantially since Ciel & Terre installed its 15 kWp pilot in France in 2011. The company now reports 1.4 GWp installed across more than 340 floating plants in over 30 countries, while Sungrow has developed floating PV systems for utility-scale reservoirs and hydropower locations. Specialist manufacturers such as ProFloating report 70 MW installed across 4 continents, and ZIMMERMANN PV-Floating reports more than 150 MWp of delivered floating structures. Offshore specialists are simultaneously opening another segment: Swimsol's SolarSea systems have operated in tropical marine conditions since 2014, while SolarDuck's 0.5 MWp Merganser platform is being tested in the Dutch North Sea.

Market Evolution and Growth Drivers

Floating solar developed from experimental kilowatt systems into utility-scale infrastructure during the 2010s and 2020s. World Bank research showed that worldwide floating solar capacity increased from only 10 MW at the end of 2014 to 1.1 GW by September 2018, representing a more than 100-fold expansion in less than 4 years. The same research estimated a conservative technical potential of roughly 400 GW and found that covering only 3–4% of the surface of some large hydropower reservoirs could potentially double the generating capacity associated with those dams. This hydropower compatibility remains a major adoption driver because projects can use existing reservoirs, transmission connections and electricity infrastructure without consuming additional land.

Technology development is now centered on structural density, higher-power modules, anchoring, mooring, environmental monitoring and long-term reliability. Ciel & Terre's WattRack platform reaches up to 2.2 MWp per hectare, while Sungrow's SGF-TS30M specifies capacity density above 150 Wp/m², buoyancy above 160 kg/m² and O&M aisles at least 450 mm wide. IEA PVPS emphasized in its January 2026 floating-PV assessment that thermal behavior, wave-induced losses, soiling, degradation and FPV-specific operating stresses must be evaluated for individual environments rather than assuming a universal performance advantage. These engineering improvements are increasingly important as plants move into deeper reservoirs, stronger winds, fluctuating water levels and coastal waters.

2. Top 5 Latest Trends in the Floating Solar Industry

1. Utility-scale floating solar integrated with hydropower reservoirs

2. Higher-density modular floating structures and advanced anchoring

3. Expansion from inland reservoirs into nearshore and offshore waters

4. Floating solar combined with battery storage and hybrid power systems

5. Digital monitoring, automated O&M and environmental intelligence

Trend 1: Utility-Scale Floating Solar Integrated with Hydropower Reservoirs

Hydropower reservoirs have become one of the most important deployment environments for the Top Companies in the Floating Solar Industry because existing dams provide water surface, grid connections and flexible generation within a single location. Masdar's Cirata project in Indonesia has 145 MW of capacity across roughly 250 hectares and became operational in 2023, while its planned Chereh project in Malaysia will add 200 MW and is targeted for completion in 2028. The World Bank found that floating panels covering only 3–4% of some large hydropower reservoirs could potentially double the associated generation capacity. Solar can produce electricity during daylight hours while hydropower retains flexibility for evening peaks, making the combination technically different from standalone land-based PV.

Trend 2: Higher-Density Modular Structures and Advanced Anchoring

Floating-system suppliers are increasing the amount of PV capacity that can be installed within a limited water area while designing structures for wind, waves and changing reservoir levels. Ciel & Terre launched WattRack in December 2025 with density reaching 2.2 MWp per hectare, supported by east-west module orientation and reduced gaps between panels. Sungrow's SGF-TS30M exceeds 150 Wp/m² and specifies buoyancy exceeding 160 kg/m², while ISIFLOATING supports configurations with 240 kg of buoyancy per solar panel and has developed systems for modules above 600 Wp. These specifications matter because floating projects require carefully balanced structural weight, maintenance access, electrical routing and mooring loads rather than simply transferring conventional ground-mount designs onto plastic pontoons.

Trend 3: Expansion from Inland Reservoirs into Nearshore and Offshore Waters

Marine floating photovoltaics are extending the industry beyond protected lakes and reservoirs. SolarDuck and RWE installed the 0.5 MWp Merganser pilot in July 2024, 12 kilometers off the Dutch coast in water 20 meters deep. Its 6 interconnected platforms are undergoing a 2-year monitoring campaign using more than 180 sensors to measure structural, electrical, connector and mooring performance. Swimsol has followed a different marine pathway in tropical lagoons: its first SolarSea installation entered service in 2014 and the company now reports more than 50 MWp of solar across over 50 Maldivian resort islands. These deployments are creating engineering knowledge around corrosion, saltwater exposure, biofouling, wave motion, offshore access and storm survivability that conventional reservoir projects do not encounter.

Trend 4: Floating Solar Combined with Battery Storage and Hybrid Power Systems

Floating PV is increasingly being combined with batteries, hydropower or diesel-displacement systems rather than operated as an isolated generator. Ocean Sun completed a 2 MWp floating array paired with a 3 MWh battery at Soneva Secret in the Maldives during Q4 2025, enabling renewable energy to supply up to 90% of the resort's energy needs under suitable operating conditions. Swimsol reports more than 25 MWh of battery capacity deployed alongside over 50 MWp of solar across Maldivian resort locations. On large reservoirs, hydropower itself can perform part of the balancing function because operators can conserve water when solar output is high and increase turbine generation after sunset. Hybridization therefore broadens floating solar from land-saving generation into controllable energy-system infrastructure.

Trend 5: Digital Monitoring, Automated O&M and Environmental Intelligence

As floating projects increase beyond 100 MW, remote inspection and continuous condition monitoring are becoming more important because technicians cannot examine every float, electrical connector and mooring line manually. SolarDuck's Merganser project uses more than 180 sensors during its North Sea test campaign, while Singapore's large-scale reservoir projects incorporate continuous water-quality monitoring alongside PV operations. IEA PVPS identified improved monitoring, maintenance strategies, performance modelling and environmental-impact assessment as key research priorities in its 2026 FPV review. Digital twins, drone inspections, thermal imaging, electroluminescence testing, weather analytics and sensor-based mooring surveillance can help operators identify electrical degradation or mechanical loading before failure occurs, particularly on plants where access conditions change with water level or weather.

3. Top 10 Companies in the Floating Solar Industry

The following 10 companies are presented based on floating-solar technology capabilities, deployed capacity, geographic reach, engineering experience, product development and active project involvement rather than as a strict numerical ranking.

1. Ciel & Terre International

Company Overview: Ciel & Terre was established in 2006 and created its Hydrelio floating photovoltaic technology in 2011, when it installed a 15 kWp pilot at Piolenc, France. The company reports more than 1.4 GWp installed through over 340 floating solar plants in more than 30 countries. Headquarters: Sainghin-en-Mélantois, France. Core Floating Solar Expertise: Its capabilities cover float design, anchoring, mooring, electrical integration and project engineering. Major Products and Services: Hydrelio established its industrialized floating platform, while Fusio and WattRack expanded the product portfolio in 2025. WattRack reaches up to 2.2 MWp/ha and supports 5° or 12° module tilt configurations for high-density installations.

2. Sungrow Power Supply Co., Ltd.

Company Overview: Sungrow was founded in 1997 and operates from Hefei, China, with renewable-energy products deployed across more than 100 countries and regions. By June 2025, its cumulative inverter and converter installations exceeded 870 GW. Headquarters: Hefei, Anhui, China. Core Floating Solar Expertise: Sungrow develops dedicated floating PV platforms, pontoons, anchoring arrangements, inverter barges and integrated utility-scale FPV solutions. Major Products and Services: Its SGF-TS30M platform provides capacity density above 150 Wp/m², buoyancy above 160 kg/m² and O&M aisles at least 450 mm wide. Reference applications include a 200 MW floating installation associated with former coal-mining areas in Anhui and large hydropower-reservoir installations.

3. BayWa r.e. AG

Company Overview: BayWa r.e. was founded in 2009 and has delivered more than 6 GW of renewable generation while managing over 10.5 GW of assets across its wider wind, solar and storage activities. Headquarters: Munich, Germany. Core Floating Solar Expertise: Its FPV capabilities include project development, construction, system engineering, grid integration, operations and asset management. Major Products and Services: By 2021, its European floating portfolio included 11 projects totaling more than 180 MWp and over 300,000 modules, including Sellingen at 41.1 MWp and Uivermeertjes at 29.8 MWp. In December 2025, it transferred the 46 MW Skûlenboarch project in the Netherlands, planned across 35 hectares.

4. Ocean Sun AS

Company Overview: Ocean Sun was established in Norway in 2016 and began testing its first floating system in 2017 before expanding into international projects. Headquarters: Lysaker, Norway, with additional offices in Singapore and Shanghai. Core Floating Solar Expertise: The company's patented design places PV modules on a thin hydroelastic membrane rather than conventional individual plastic floats, reducing structural material and bringing modules close to the water surface. Major Products and Services: Ocean Sun has deployed reservoir, hydropower and marine projects, including a 2 MW installation with Statkraft in Albania and the 2 MWp Soneva Secret system paired with 3 MWh of battery storage in 2025. The Maldives project is engineered for significant wave conditions reaching 0.9 meters.

5. Abu Dhabi Future Energy Company PJSC – Masdar

Company Overview: Masdar was founded in 2006 and marked 20 years of operations in April 2026, with more than 65 GW of renewable portfolio capacity across its broader global operations. Headquarters: Abu Dhabi, United Arab Emirates. Core Floating Solar Expertise: Masdar develops utility-scale floating PV integrated with national utilities and large reservoirs. Major Products and Services: Its Cirata plant in West Java became operational in 2023 with 145 MW across 250 hectares. In December 2025, Masdar signed an agreement for the 200 MW Chereh floating plant in Malaysia, covering approximately 950 acres and targeting operation in 2028. The company is also studying additional reservoir-based FPV opportunities in Southeast Asia.

6. Swimsol GmbH

Company Overview: Swimsol was founded in Austria in 2012 after beginning research into tropical marine solar applications in 2009. Headquarters: Vienna, Austria, with major operational activities in the Maldives. Core Floating Solar Expertise: Swimsol specializes in offshore and lagoon-based SolarSea structures engineered for saltwater, tropical heat, waves and restricted island land availability. Major Products and Services: The company's first offshore floating installation entered service in 2014, and by 2026 it reported more than 50 MWp of solar and 25 MWh of battery storage across over 50 resort islands. SolarSea components are designed for 30-year longevity, while its 2026 Maldivian installations include multi-megawatt systems integrated with resort microgrids.

7. ProFloating B.V.

Company Overview: ProFloating was established in the Netherlands in 2018 and reports 70 MW of floating capacity using more than 150,000 modules across 4 continents. Headquarters: Maasdijk, Netherlands. Core Floating Solar Expertise: Its focus is standardized modular structures for reservoirs, industrial water basins and other inland water bodies. Major Products and Services: The FLOTAR system uses only 7 core components to simplify assembly and supports scalable project configurations. ProFloating reports 33 projects totaling 52.2 MW in the Netherlands, 4 projects totaling 4 MW in the United States, 15.1 MW across 3 Israeli projects and a 13 MW installation in Morocco incorporating 22,000 modules.

8. ZIMMERMANN PV-Floating

Company Overview: ZIMMERMANN's solar-support engineering activities date to 2009, and its first floating installation was deployed in 2018. The floating division reports delivery of more than 150 MWp of FPV systems. Headquarters: Eberhardzell, Germany, within the ZIMMERMANN PV-Steel Group. Core Floating Solar Expertise: The company specializes in steel-based substructures, float-support engineering, anchoring interfaces, project design and industrial manufacturing. Major Products and Services: Its southern German production system can manufacture substructures equivalent to 30 MW per week and maintains more than 8,000 tonnes of raw material stock. The ZIM Float platform has been used in reservoir and quarry applications and benefits from the group's fixed-tilt, tracker and agrivoltaic engineering capabilities.

9. ISIGENERE S.L. – ISIFLOATING

Company Overview: Spanish engineering company ISIGENERE has developed its ISIFLOATING platform since 2008 and has progressed through 4 product versions. Headquarters: Beneixama, Alicante, Spain. Core Floating Solar Expertise: Its engineering covers injection-moulded floats, mooring, hydrodynamic monitoring and systems for reservoirs serving agriculture, mining, hydroelectric generation and industrial users. Major Products and Services: Current structures specify a minimum float-wall thickness of 3 mm, approximately 240 kg of buoyancy per solar panel and manufacturing output equivalent to 1 MW of floats in 5 days. The company's project portfolio includes installations in Portugal, Spain, Morocco, Israel, Kenya, the Netherlands and Chile.

10. SolarDuck B.V.

Company Overview: SolarDuck was founded in 2019 in the Netherlands after emerging from maritime engineering work associated with Damen Shipyards. Headquarters: Rotterdam, Netherlands. Core Floating Solar Expertise: The company concentrates specifically on offshore floating photovoltaic platforms designed to keep electrical equipment above waves while using semi-submersible structures and marine-grade mooring. Major Products and Services: Its Merganser demonstrator has 0.5 MWp of capacity across 6 interconnected platforms positioned 12 kilometers off the Dutch coast in 20-meter-deep water. More than 180 sensors are monitoring the structure over a 2-year test program, and the design received Bureau Veritas certification for offshore floating PV technology.

4. Regional Outlook

North America

North America has substantial technical potential for floating solar even though current deployment remains smaller than in several Asian and European markets. A 2025 NREL assessment estimated 861–1,042 GWdc of technical floating-PV potential on federally controlled reservoirs in the United States, potentially representing roughly half of the solar generation capacity required in one deeply decarbonized U.S. grid scenario. The analysis accounted for site-specific characteristics including reservoir area, temperature and water depth rather than assuming that every water surface could be covered. Earlier U.S. research had already identified more than 24,000 suitable human-made water bodies, showing why drinking-water reservoirs, hydroelectric infrastructure, wastewater facilities and irrigation systems constitute important future deployment categories.

Commercial activity is moving gradually from small municipal systems toward multi-megawatt plants. ProFloating reports 4 U.S. projects totaling 4 MW and approximately 6,100 modules, demonstrating an existing but still limited project base compared with its 52.2 MW portfolio in the Netherlands. Floating solar can be particularly relevant for U.S. water utilities because generation can be located close to pumping and treatment loads while avoiding competing land uses. Canada and Mexico have not yet developed a comparable concentration of large operational FPV projects in the verified project portfolios reviewed here, leaving the United States as the principal North American activity center. Regional opportunities depend on permitting, reservoir ownership, anchoring regulation, water-quality standards, interconnection and the ability to demonstrate multi-decade reliability under freezing, storm and high-wind conditions.

Europe

Europe combines mature floating-solar engineering with a policy environment targeting at least 42.5% renewable energy by 2030, with an EU-level ambition of reaching 45%. Renewable energy represented 26.2% of EU energy consumption in 2025, creating continued pressure for additional solar deployment while reducing conflicts with agriculture and densely developed land. European developers have consequently used former quarries, irrigation reservoirs, industrial basins and hydropower reservoirs for floating projects. BayWa r.e.'s portfolio had already reached more than 180 MWp across 11 European FPV plants by 2021, including 41.1 MWp at Sellingen, 29.8 MWp at Uivermeertjes and 27.4 MWp at Bomhofsplas in the Netherlands.

Europe also contains a dense manufacturing and R&D ecosystem. ProFloating reports 33 Dutch projects totaling 52.2 MW, ZIMMERMANN PV-Floating reports more than 150 MWp delivered globally, and Ciel & Terre has developed major projects in France alongside its international portfolio. The region is also advancing marine FPV: SolarDuck's 0.5 MWp Merganser installation sits 12 kilometers offshore in the North Sea, where over 180 sensors are gathering structural and environmental data. European Commission guidance issued in July 2025 encouraged member states to facilitate innovative renewable-energy technologies and deployment models. The remaining challenges include biodiversity assessment, water-use permits, long-term polymer and metal durability, winter icing, strong winds and standardized design rules for offshore arrays that face wave environments far beyond inland-reservoir conditions.

Asia-Pacific

Asia-Pacific contains some of the world's most commercially significant floating solar projects and also dominates the wider PV manufacturing ecosystem. Global PV installations reached nearly 3 TW by the end of 2025, with China responsible for roughly 60% of new additions during that year. Regional FPV examples include Masdar's operational 145 MW Cirata plant in Indonesia and major Chinese utility-scale installations using Sungrow technology. Singapore's Tengeh Reservoir project has 60 MWp of capacity, 122,000 modules and a 45-hectare footprint, allowing floating solar to supply electricity equivalent to the requirements of its 5 local water-treatment plants. Singapore is developing a second 55 MWp reservoir project at Pandan, targeted for completion in 2028 and designed to occupy 22% of the reservoir surface.

India offers another large growth pathway. In June 2026, the Ministry of New and Renewable Energy released a national assessment identifying more than 102 GWp of floating-solar potential and announced work on a dedicated FPV deployment scheme. India's total installed solar capacity had already reached 162.15 GW by June 30, 2026, including 121.25 GW of ground-mounted plants, creating an extensive domestic engineering and module-supply base that can support reservoir projects. Malaysia is moving toward 200 MW at Chereh Dam by 2028, while Indonesia is exploring additional capacity around Cirata. Regional opportunities therefore span hydro-FPV hybrids, drinking-water systems, irrigation reservoirs and industrial basins, although typhoons, monsoon variability, deep reservoirs and rapid water-level changes place strict requirements on anchoring and structural engineering.

Middle East & Africa

Middle East and African floating-solar deployment remains earlier-stage than Asia-Pacific, but water scarcity gives the technology an additional strategic dimension. Morocco's Oued Rmel Dam development has 13 MW of floating capacity, incorporating more than 22,000 modules across roughly 10 hectares. The reservoir reportedly loses roughly 3,000 cubic meters of water per day under average evaporation conditions, with considerably greater losses during hotter periods, making surface coverage relevant to both electricity generation and water management. ProFloating identifies the Moroccan installation as its first project in the country and its 13 MW deployment represents one of the more substantial verified African FPV references. The project demonstrates why water-stressed regions may evaluate floating solar differently from countries where land scarcity is the principal driver.

Gulf activity is also emerging. Saudi Arabia announced cooperation in December 2025 to develop its first floating solar plant, while its broader grid-connected renewable portfolio was expanding into multi-gigawatt territory. Masdar, headquartered in Abu Dhabi and founded in 2006, has developed FPV expertise through the 145 MW Cirata project and the planned 200 MW Chereh plant outside the UAE, creating technical experience potentially transferable to Gulf reservoirs and industrial water infrastructure. African specialists and international suppliers are also testing agricultural uses: ISIFLOATING lists projects in Morocco and Kenya, including direct solar pumping applications. Key barriers across the region include high temperatures, UV degradation, dust deposition, reservoir variability, limited local FPV supply chains and the need to prove that surface coverage does not compromise aquatic ecosystems or critical drinking-water resources.

5. Future Opportunities in the Floating Solar Industry

The strongest future opportunity for the Top Companies in the Floating Solar Industry lies in converting enormous reservoir potential into standardized projects. India's official 2026 assessment exceeds 102 GWp, while NREL estimates 861–1,042 GWdc of technical potential on federally controlled U.S. reservoirs alone. These figures are technical assessments rather than guaranteed future installations, but they demonstrate that available water surface is not the principal constraint. Future development will depend on permitting, acceptable reservoir-coverage ratios, water-quality protection, transmission access and bankable mechanical designs. Hydropower reservoirs are particularly attractive because only 3–4% coverage can, in specific large-dam cases assessed by the World Bank, add solar capacity comparable with the existing hydropower plant's generating capacity.

Product innovation will focus on higher density and lower installation complexity through the 2030s. Ciel & Terre's WattRack already reaches 2.2 MWp/ha, ProFloating reduces its FLOTAR structure to 7 primary components, and ISIFLOATING states that floats equivalent to 1 MW can be produced in 5 days. Larger n-type and bifacial PV modules, automated mooring analysis, robotic inspection, edge-based monitoring and machine-learning maintenance models can further reduce the number of manual interventions required on water. These are analytical opportunities rather than guaranteed efficiency outcomes, because the IEA PVPS 2026 review stresses that cooling benefits, wave losses and degradation vary substantially according to climate, design and reservoir conditions.

Hybrid systems will create another expansion route. Singapore's 55 MWp Pandan Reservoir plant is scheduled for 2028, Masdar's 200 MW Chereh project is also targeted for 2028, and Ocean Sun has already demonstrated a 2 MWp floating array integrated with 3 MWh of storage in the Maldives. Offshore FPV could eventually add another addressable environment if current demonstrations prove reliable: Merganser is collecting 2 years of performance data in 20-meter water depth with more than 180 sensors. Verified projects do not yet support assuming mass offshore deployment, but long-duration marine trials can provide the structural, ecological and O&M evidence required for larger systems. Partnerships among float manufacturers, utilities, hydropower operators, battery suppliers, marine engineers and water authorities will consequently remain central to commercialization.

6. Conclusion

The floating solar industry in 2026 has progressed well beyond the experimental systems that characterized its first commercial decade. Global solar PV capacity is approaching 3 TW, while individual floating installations now extend from kilowatt-scale agricultural systems to the 145 MW Cirata plant and projects planned at 200 MW. The 5 major trends shaping the sector—hydropower integration, higher-density structures, offshore expansion, battery hybridization and digital O&M—show that competition increasingly depends on engineering performance rather than simply placing conventional modules on water. Ciel & Terre's 1.4 GWp project record, ZIMMERMANN's 150 MWp-plus deliveries, ProFloating's 70 MW installations and BayWa r.e.'s 180 MWp-plus historical European portfolio illustrate the growing diversity of commercial approaches.

The Top Companies in the Floating Solar Industry are also operating in sharply different regional conditions. The United States has an assessed 861–1,042 GWdc reservoir potential, India has identified more than 102 GWp, Europe is working toward a 42.5% minimum renewable share by 2030, and Singapore is progressing from its 60 MWp Tengeh installation toward another 55 MWp project. Middle Eastern and African markets add water-conservation and high-temperature engineering requirements, while offshore projects introduce wave, corrosion and mooring challenges. Future competitiveness will therefore depend on durable floats, accurate anchoring, environmental monitoring, automated maintenance, storage integration and locally appropriate project design. The technology's strongest long-term opportunity is not to replace ground-mounted solar, but to expand photovoltaic deployment onto water surfaces where land, grids, hydropower infrastructure and energy demand can be combined efficiently.