Testing floating PV with tracking systems

French water management agency Société du Canal de Provence (SCP) is planning an innovative floating project to test its combination with a solar tracking system. The 250 kW project was awarded a fixed tariff in a special tender for innovative PV projects held by The French Energy Regulatory Commission (CRE) in February 2018. The plant will be deployed on a water surface owned by SCP in Southern France.

From pv magazine France.

Société du Canal de Provence (SCP) plans to deploy a floating PV installation with a solar tracking system on the Barjaquets reserve in Rognac, in the Bouches-du-Rhône region of Southern France.

The agency has now released a tender for the construction of the 250 kW floating plant. Interested contractors will have until February 14 to submit their bids.

The plant, which should be commissioned by the end of this year, was awarded a fixed tariff in a special tender for innovative PV projects held by The French Energy Regulatory Commission (CRE) in February 2018.

Specific information on how the floating system should be combined with the solar tracking system is included in the tender’s documents, CSP research manager Clément Kambourian told pv magazine.

The advantage of using tracking system with this type of installation is still to be studied, as it is still unclear if technical and climatic constraints (notably wind) can be compensated by the yield increase provided from the trackers. “This is precisely the objective of this innovative installation: to confirm that the production gain linked to the tracking system is sufficient to amortize the additional cost of the tracking system,” Kambourian said. “We don’t know if this is a world first, but we have never seen such a project elsewhere,” he added.

In 2019, two floating solar power plants were commissioned in France: a 17 MW array built by Akuo Energy in Piolenc and another 226 kW installation installed by Compagnie nationale du Rhône (CNR) in the Madonna lake of Southern France. These projects, however, were not equipped with a tracking system.

A similar project relying on trackers is currently under development in the Netherlands by Floating Solar B.V. The project is planned for a drinking water treatment plant owned by Netherlands-based water utility PWN – Waterleidingbedrijf Noord-Holland – and consists of 15 floating solar plants with a combined capacity of 25 MW.

The solar installations will be based on Floating Solar’s tracking system technology, which ensures rotatation towards the sun during the day. The system is based on an algorithm said to be able to gradually adjust panel position and increase system yield by approximately 30%. “The specially engineered floating structure has been successfully tested under the most severe near-shore conditions,” the company said in June, when the project was launched.

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