With sustainability at the core, Sembcorp and PUB have incorporated innovations in the project to maximise energy generation, minimise environmental and water quality impact, and be durable enough to fulfil a service lifespan of 25 years.

SUPPORTING A MORE SUSTAINABLE FUTURE

WITH SINGAPORE’S LARGEST FLOATING PV PROJECT ON TENGEH RESERVOIR

Key Components of a Floating Solar Farm
Key Components of a Floating Solar Farm
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Solar Photovoltaic (PV) Modules
  • Tilted to maximise energy generation and optimise rainwater drainage
  • Coated with anti-reflective materials to maximise light absorption and minimise glare
  • Double-glass solar panels to enhance durability in a wet and humid environment
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Floats/Pontoons
  • Made with certified food-grade quality high density polyethylene to minimise impact on water quality
  • Each pontoon is designed to support the weight of the PV modules weighing 30kg each
  • UV-resistant to withstand intense sunlight
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Cables
  • Encased in waterproof insulation with cross-linked polyethylene for durability
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Anchors
  • Tether floating arrays to reservoir bed to prevent movement in strong winds and ensure worker safety during inspections
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5
Combiner Box
  • Combines electrical current from strings of PV modules into larger direct current (DC) cable that feeds into the central inverter
  • Able to monitor voltage and current of each PV string, and feed data to remote monitoring centre
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Central Inverters
  • Converts the electricity in the form of direct current (DC) from the solar PV panels into commonly-used alternating current (AC)
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Power Grid
  • Electricity generated from the PV system feeds into the power grid, contributing more renewable power into Singapore's total electricity mix
  • Possibility to store energy generated in battery systems in future
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Performance Monitoring
  • Output of the system is remotely monitored in real-time
  • Features safety cameras, 'live' video monitoring, dashboards and alerts that help to track environmental factors
  • Engineers and technicians can monitor operations remotely using mobile app
  • Enables swift and timely maintenance and troubleshooting make operations more robust and reliable
  1. Solar Photovoltaic
    (PV) Modules
  2. Floats /Pontoons
  3. Cables
  4. Anchors
  5. Combiner Box
  6. Central Inverters
  7. Power Grid
  8. Performance Monitoring

One of the World’s Largest Floating Solar Farms

Singapore’s National Water Agency, PUB, and Sembcorp Floating Solar Singapore are partnering to build a 60 megawatt-peak (MWp) floating solar photovoltaic system on Tengeh Reservoir.

To ensure the operational excellence, sustainability, and safety of this large-scale project, every component of the floating solar system was carefully chosen and designed. Criteria included the need to maximize energy generation, minimize environmental impact and be durable enough to last its entire service lifespan of 25 years.

Sembcorp Energy Singapore

Overcoming Land Constraints

Overcomes land constraints in pursuit of greater renewable energy generation and contributes to national climate change mitigation.

Sembcorp Energy Singapore

Greening Singapore’s Waterworks

The energy generated is sufficient to meet the operational needs of PUB’s local waterworks. Singapore’s waterworks will be one of the few in the world to be 100% green.

Sembcorp Energy Singapore

Reducing Our Carbon Footprint

Offsets 32 kilo-tonnes of emissions, equivalent to taking 7,000 cars off Singapore’s roads.

Find out more about our Floating Solar solutions here