Floating Solar Power Plant Could Be Much More Efficient and Reduce Water Evaporation From Reservoirs

Written by Fabio Lucas Carvalho

Published on 21/05/2021 at 08:48

(Image: Alamy)

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Floating Solar Power Plant Can Be an Alternative to Help Reduce Water Evaporation in Water Reservoirs

According to experts, climate change is behind the severe droughts that have affected some regions of the planet in recent years. Brazil has suffered greatly from this problem, forcing ANEEL to increase electricity prices to avoid blackouts. With the sun getting hotter, water reservoirs evaporate at a higher rate, harming hydroelectric plants. Floating solar energy can help reduce the effects of the problem.

Solar Power Plant: Strategy Aimed at Increasing Efficiency

The strategy would be to use floating solar energy to generate even more clean energy while the solar panels prevent water temperature from rising, reducing water evaporation. In a 2019 study, ANA, the National Water Agency, analyzed a total of 148 reservoirs across Brazil, proving that evaporation was the second largest water consumption, only behind irrigation in agriculture.

One of the major problems with reservoirs is that some of them flood large areas, forming water mirrors. This greatly increases the space where the sun shines with intensity, further increasing evaporation.

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Floating solar power plant can further aid the evolution of clean energy. Photo: BayWa re

The implementation of floating solar energy is expected to continue growing in the coming years. Experts believe it will become the third pillar of solar energy, behind only rooftop and ground-mounted solar energy.

In 2018, a study conducted in Europe and Asia by the institute Ciel & Terre International showed that floating solar energy produces a total of 14% more energy than panels on rooftops and on the ground. The study also highlighted that the use of this type of technology reduces water evaporation by up to 70%.

Brazil Already Has a Floating Plant

In Brazil, the technology is already being used. It is located at Fazenda Figueiredo das Lages, in the municipality of Cristalina, Goiás. The solar panels are installed on an artificial lake, which is fed by rainwater. The farm has installed a total of 1,150 photovoltaic panels.

Today, the largest project is in South Korea, in the plains maintained behind a dam. The floating solar panel project is expected to cost a total of US$ 4 billion, which should become operational in 2025.

Floating Solar Power Plant Could Be Much More Efficient and Reduce Water Evaporation From Reservoirs

Floating Solar Power Plant Can Be an Alternative to Help Reduce Water Evaporation in Water Reservoirs

Solar Power Plant: Strategy Aimed at Increasing Efficiency

Brazil Already Has a Floating Plant

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