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Floating Solar Power Plants: Revolutionising Renewable Energy on Water

Author : admin
Date : 02.12.24

In the modern world, renewable energy will have a fast effect on our lifestyle and is one of the main points that help answer climate change and reduce fossil fuel dependence. Among the plethora of innovations in this domain, floating solar power plants are being investigated as a novel development and sustainable concept. Floating solar power plants have completely changed the way we generate solar energy.

In this blog, we will explore what a floating solar power plant is, its advantages and disadvantages, and its growing popularity around the world.

What Are Floating Solar Power Plants?

Floating solar power plants, or floating photovoltaic systems, are solar panels placed on bodies of water such as lakes, reservoirs and ponds. Solar farms normally require large tracts of land to operate, but these systems are adjusting unused water surfaces.

The panels have been floating on platforms amidst the supply of energy and make use of specific anchors to keep them stable. Just like land-based solar systems, they are connected to power grids. This novel design enables us to better utilise natural resources and also produces renewable energy.

Advantages of Floating Solar Power Plants

Advantages- of-floating-solar-power-plants

Improved Efficiency

Floating solar panels benefit from a cooling effect provided by the water beneath them, enhancing their efficiency by up to 12.5%. This contributes to increased electricity production compared to land-based systems

Land Conservation

Solar farms often need great areas of land, which is a rare commodity in the city. This limitation goes away with floating solar panels that use underutilised water bodies such as irrigation ponds or reservoirs.For instance, India's floating solar installations include projects like the 48-acre floating solar plant in Tuticorin, Tamil Nadu.

Environmental Benefits

Floating solar farms reduce water evaporation by up to 70%, preserving water for critical uses. Additionally, they prevent sunlight from reaching the water's surface, thereby inhibiting algae growth and maintaining cleaner water bodies​

Dual Use of Resources

Floating solar power plants can serve as a supplement, auxiliary or complementary facility to an existing one like hydroelectric dams. Utilising the two systems together means we can produce additional energy in one location.

Challenges in Floating Solar Installation

Higher Installation Costs

As floating solar power plants demand to invest in specialised equipment including platforms and anchoring systems the cost of floating solar may be higher than on land-based systems.

Maintenance Difficulties

Maintenance is slightly difficult as water and weather conditions can act upon the panels. Being constantly exposed to moisture, the wear and tear will also be quicker.

Weather-Related Risks

Floating solar systems can be at risk of strong winds, waves and heavy rains. This is why appropriate design and engineering are necessary to tolerate such events.

Applications of Floating Solar Technology

Hydroelectric Dams: The addition of solar panels to reservoirs can increase the amount of electricity produced and will make the entire system operate more efficiently.

Urban water reservoirs: Cities can harness solar energy over water bodies without trading off land, as they may utilise reservoirs.

Irrigation Pools: Floating solar farms can be used in agricultural applications where land can be sacrificed and water saved to charge power electronic equipment.

Global Floating Solar Power Plant Projects

  1. India: India has launched several large-scale floating solar projects, including one in Kerala that produces over 100 MW of power.
  2. China: As the world leader in renewable energy, China boasts some of the largest floating solar farms globally, such as the 150 MW plant in Anhui Province.
  3. Japan: Japan, known for its innovation, has floating solar systems on multiple reservoirs to combat land scarcity.

These projects showcase how floating solar technology is evolving and being adopted worldwide.

Cost and Investment in Floating Solar Power Plants

The cost of floating solar power plants is initially higher than traditional systems, but they offer long-term benefits.

  1. Investment Opportunities: With increasing global demand for clean energy, floating solar farms are attracting investors.
  2. Government Support: Many governments offer subsidies and incentives to promote renewable energy projects, making them more affordable.

While the upfront investment is higher, the return on investment (ROI) is promising due to improved efficiency and dual-purpose usage.

Environmental Impact of Floating Solar Farms

Floating solar farms contribute significantly to the environment:

Reduction in Carbon Footprint: Like other renewable energy sources, they help to reduce greenhouse gas emissions.

Water Conservation: Reduces the amount of water available for agriculture, drinking, or industrial use.

Cleaner Water: By reducing algae growth, they ensure water bodies remain healthier. 

These benefits make floating solar farms a sustainable choice for the future.

Floating Solar Power Plant: Economical and Eco-Friendly Energy Solution

Floating solar power plants are revolutionizing how we generate renewable energy. By utilizing water bodies like lakes, reservoirs, and dams, these solar panels not only save valuable land space but also provide several economic and environmental benefits. This innovative solution is gaining popularity as a sustainable way to meet growing energy demands while protecting the planet.

Maximizing Space: Solar Panels on Water, Not Land

Efficient use of water bodies: Floating solar panels make optimal use of unused or underutilised water surfaces.

Solves land scarcity issues: Ideal for regions where land is expensive or limited, avoiding disruption of agricultural or urban areas.

Smart resource utilization: Allows for clean energy production without competing for valuable land resources.

Future of Floating Solar Power Plants

The future of floating solar technology looks bright as the demand for clean energy rises.

Improved Technology: Novel designs for floating solar facilities may provide these systems with a longer lifespan and lower cost.

Increased Adoption: Floating solar is busting out of its science project phase with increased adoption in more countries that recognize the potential and add it to their energy mix.

Climate Goals: The ongoing transition towards achieving net zero emissions across the globe will require significant contributions in the form of floating solar parks.

Why Floating Solar Power Plants Matter

Floating solar power plants are also an intelligent use of natural resources rather than just an energy solution.

  • They merge tech, sustainability and efficiency.
  • They provide a method of producing renewable energy without using precious land.
  • They solve the two problems of saving water and generating energy at a time.

By embracing floating solar energy systems, we get to pave the way for a cleaner green tomorrow.

Global Adoption and Installed Capacity Trends

The rise of floating solar highlights the shift toward cleaner energy. From just 70 MW in 2015 to 2.6 GW within a few years, its growth has been remarkable. Companies like Fenice Energy are driving this progress, working on projects to achieve net-zero emissions.

Project NameCapacity (MW)LocationImpact
Ramagundam Floating Solar Plant100500 acres, 40 blocksReduces coal consumption by 1,65,000 tons annually
Simhadri Floating Solar PV Project2575 acresSaves 1,364 million litres of water per year
Banasura Sagar Floating Solar Power Project25.91Banasura Sagar reservoirMinimises water evaporation
Omkareshwar Reservoir Floating Solar Power Plant600World’s largest floating solar projectThe key player in sustainable energy expansion

Comparison of 8.3 kW SPV & 8.3 kW FPV power plants at Bhimtal lake

Parameter8.3 kW SPV 8.3 kW FPV
Annual energy supplied to the grid  (kWh)12,29112,567 
Average Module Temperature ( oC)34.3529.35
Amount of water saved from evaporation annually (lakh litres)01.85
Reduction in CO2 Emission annually(In tonnes)014.44

Conclusion

Floating solar farms, a new advance in sustainable energy. These floating farms use water bodies instead of land to help alleviate space constraints, and they bring large environmental advantages through the conservation of freshwater resources and the generation of cleaner energy.

Over time, with enhanced technology and widespread adoption, such systems will be a key driver of sustainability objectives on the world stage. Floating solar power plants will undoubtedly be the way of our future and investing in them today ensures a brighter tomorrow that is sustainable and green.

Want to set up a Floating Solar Power Plant?


About the Author
Mr. Ankit Patel, Director & CEO

  • Industrial expertise in Business Development, Operations, Finance & Administration, and Product development.
  • Navkriti Medal issued by Indian Institute of Technology (BHU), Varanasi.
  • National Meritorious Innovation Award 2018 by NRDC (A DST Enterprise) presented during Innovate India conference 2019 at EDII, Ahmedabad.
  • Recognised for groundbreaking innovation with patent no. 485553

FAQs

1. What are Energy Floating Solar Panels?

Energy Floating Solar Panels are solar photovoltaic (PV) systems installed on floating platforms over water bodies to generate clean and renewable electricity without occupying land.

2. What is the Acqua Energy Series by Acquafront Infrastructure?

The Acqua Energy Series is Acquafront’s integrated floating energy solution designed for energy generation, storage, and distribution, using high‑durability floating platforms engineered for Indian water conditions.

3. What types of water bodies are suitable for floating solar installation?

Floating solar systems can be installed on reservoirs, ponds, lakes, canals, dams, and other calm or low‑current inland water bodies.

4. How does floating solar differ from land‑based solar plants?

Floating solar plants do not require land acquisition, reduce water evaporation, and offer higher efficiency due to natural cooling from water surfaces.

5. What floating structure is used for Acquafront’s solar systems?

Acquafront uses RCC/GFRC floating beams filled with EPS, offering high strength, buoyancy, corrosion resistance, and long service life.

6. What is the expected lifespan of Acquafront floating solar platforms?

The floating platforms are designed for a service life of up to 50 years, subject to normal operation and periodic maintenance.

7. What capacity range is available for Energy Floating Solar Panels?

Systems are modular and scalable, starting from 10 kW and expandable to 100 kW, 500 kW, 1 MW, and utility‑scale installations.

8. Can the floating solar system be expanded in the future?

Yes. The modular design allows easy expansion by adding more floating units and solar panels without disturbing existing installations.

9. Do floating solar plants reduce water evaporation?

Yes. Floating solar panels cover a portion of the water surface, significantly reducing evaporation losses, especially in reservoirs and ponds.

10. Is floating solar suitable for drinking water reservoirs?

Yes. When properly designed and installed, floating solar systems are suitable for drinking water reservoirs and help reduce algae growth.

11. How are floating solar systems anchored?

Anchoring systems are designed based on site‑specific parameters such as water depth, wind load, and water level variations, using dead anchors, RCC anchors, or mooring systems.

12. Are floating solar platforms resistant to corrosion?

Yes. RCC/GFRC floating beams are highly resistant to corrosion, UV exposure, and harsh environmental conditions.

13. Does water movement affect the stability of the solar panels?

No. The floating platforms are engineered to maintain stability under wind, wave, and water level fluctuations.

14. What are the key advantages of Acquafront’s floating solar technology?

Key advantages include long lifespan, low maintenance, modular scalability, eco‑friendly materials, and compliance with Indian engineering standards.

15. Can energy storage systems be integrated with floating solar plants?

Yes. Battery Energy Storage Systems (BESS) can be integrated for energy storage, peak load management, and off‑grid applications.

16. Are floating solar systems suitable for off‑grid or remote locations?

Yes. Floating solar plants can be designed for both grid‑connected and off‑grid applications, including remote and rural areas.

17. What sectors can benefit from Energy Floating Solar Panels?

Municipal bodies, irrigation departments, industries, water utilities, mining, smart cities, and renewable energy developers can benefit from floating solar systems.

18. How does floating solar help in sustainable development?

Floating solar promotes clean energy generation, reduces carbon emissions, conserves land and water, and supports India’s renewable energy goals.

19. What maintenance is required for floating solar plants?

Maintenance includes periodic inspection of solar panels, electrical systems, anchoring arrangements, and floating platforms.

20. Are Acquafront floating solar systems compliant with Indian standards?

Yes. Designs are aligned with applicable Indian engineering practices, structural standards, and quality norms.

21. Does Acquafront provide turnkey floating solar solutions?

Yes. Acquafront offers end‑to‑end services including site survey, design, manufacturing, supply, installation, commissioning, and maintenance support.

22. How long does installation of a floating solar plant take?

Installation timelines depend on project size and site conditions but are generally faster than land‑based solar projects due to modular construction.

23. Is floating solar environmentally safe for aquatic life?

Yes. Properly designed floating solar systems have minimal environmental impact and may improve water quality by reducing algae growth.

24. Can floating solar plants be relocated if required?

Yes. Modular floating solar systems can be dismantled and relocated if project requirements change.

25. How does floating solar improve power generation efficiency?

The cooling effect of water reduces solar panel temperature, resulting in higher energy output compared to conventional ground‑mounted systems.

26. Why choose Acquafront Infrastructure for floating solar projects?

Acquafront combines engineering expertise, patented floating technology, durable materials, and turnkey execution, making it a reliable partner for floating solar projects.

AIPL specializes in modular maritime and floating-infrastructure platforms for energy, water, marine, transport, construction, pumping and tourism sectors, supported by a decade of proven engineering.

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