An Ocean Sun system consists of one or multiple floaters anchored side-by-side to build larger power plants. The anchoring system is designed to take local water depth, wave, current, and wind conditions into consideration. The floaters are towed into place.

Diameter 75

Capacity – Module dependent


Typical module count


Smart string inverters on the floater

3 x 100 kWp -1500 V DC / 800 V AC

Diameter 51

Capacity – Module dependent


Typical module count


Smart string inverters on the floater

3 x 100 kWp -1500 V DC / 800 V AC



Capacity – Module dependent

~650 kWp

~280 kWp

Typical module count



Smart string inverters on ring

3 x 185 kWp -1500 V DC / 800 V AC

3 x 100 kWp -1500 V DC / 800 V AC


Ocean Sun PV-module Patented

  • 60 cell dual-glass crystalline silicon module
  • Front-mounted extra water-ingress-protected junction boxes
  • Marine-grade aluminium profiles on the sides for installation

Double keder

  • Welded on the membrane for module installation

Reinforced membrane

  • Ocean Sun proprietary formula
  • Certified for drinking water applications
  • UV protected and antifouling
  • 20-year lifetime in saltwater

Bilge pumps

  • For removing rainwater and spray from the membrane


  • The mooring system, including mooring rope, bridle lines, shackles, and chains, is designed according to standard NS 9415 and the system design premises.
  • Rated for waves and typhoon class 4 (270 km/m wind speed) in semi-sheltered waters.
  • DNVGL Statement of Conformity[3]


  • Smart string inverters, fan-less, fuse-less, IP66, designed for double glass modules without grounding
  • Leakage current and residual current management
  • Monitoring system

Buoyancy ring

  • Virgin HDPE100 material
  • Welding according to ISO 21307 or equivalent local code for pressure pipe design welding
  • Structural strength in adherence with NS 9415 and the design premises.


  • 3MWp or 6MWp medium voltage step-up transformers
  • Mounted on-shore or on a floating barge, depending on location and client preferences

Direct cooling from water results in up to 10% higher energy yield[1] compared to both ground-mounted and pontoon-based floating PV installations[2]. The map shows the globe highlighting the ±45° area in which Ocean Sun’s technology will maximise the efficiency gain from thermal dissipation.

System Warranty: Succesfully completed special PID certification of modules by TÜV Rheinland.

System Certificates and statements:

  1. Institute of Energy Technology paper: “The Performance of a Floating PV Plant at the West Coast of Norway”
  2. Ongoing tests by DNV GL Singapore
  3. DNVGL Statement of Conformity, No 10173296-1 – DNVGL
  4. NO19589 Solar Membrane Spec
  5. GCL System Integration statement of imminent warranty of the Ocean Sun Module

Patents: Solar Power
Plant Ocean Sun patent WO2017/209625 and patent WO2020/040643 in addition to other pending patents, design registrations and trademark

Ocean Sun AS
Widerøeveien 5
N-1360 Fornebu