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This innovative project was completed by RETTEW, the nation’s premier engineering and EPC contractor for floating solar applications. US Floating Solar has an exclusive relationship with RETTEW to develop new opportunities in the floating solar and renewable energy market and to advance the technology across multiple vendors and industries.

Sayreville Floating Solar Project

Sayreville, NJ 4.41MWdc (Largest Floating Solar Project in the United States)

US Floating Solar

With a strong desire to reduce both energy costs and the town’s carbon footprint, Sayreville issued a public RFP in late 2015 calling for developers to provide bids for a solar installation under a power purchase agreement (PPA) to offset power use at the water treatment facility and related Borough facilities such as Borough Hall and the Public Works Building. Due to a lack of available land, this proved to be an ideal opportunity to propose a floating solar power system for the nearby pre-treatment pond. The floating solar system will supply approximately 5,000,000 kWh of solar electricity annually, representing 100% of Sayreville’s energy requirements for its water treatment plant.


Borough of Sayreville had rising electrical costs from energy procurement and a desire to be sustainable throughout the Borough’s operations


Through a Power Purchase Agreement the Project Team members designed, built, own and operate a 4.41MWdc floating solar array


Over $150,000 per year in savings to the Borough in Year 1 and long-term sustainability to meet future regulatory and political goals


  • Multiple Shore based construction docks for rapid deployment of array components.
  • Towed to final position and anchored to wire rope mooring lines

Anchoring System

  • Helical Anchors Driven to Suitable Depth for Strength (20’-40’)
  • Wire Rope Mooring Line supported by Float System

Blends into Environment

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