In 2016, Wanda Martins invested in a photovoltaic system for her home, becoming one of the first residents of Maringá to invest in solar energy. Today, five years after the installation, the investment has already been recouped with the savings on her electricity bill. “When I installed a photovoltaic system at home in 2016, little was said about it. There weren’t many examples or guarantees that the purchase would be worth it,” says Wanda.
The 12,24 kWp project, developed by Platão Energia, included 48 255 W modules, a 12 kW Fronius Symo inverter and cost around R$ 70 thousand. Like Wanda, hundreds of Brazilians have invested in photovoltaic sources in order to reduce their energy bills. Currently, the country has 5,35 GW of installed power in DG (distributed generation).
Read more: Solar energy generates annual savings of R$12 thousand on the electricity bill
The big attraction is the longevity that the equipment that makes up a photovoltaic system has. “When well installed and made up of good equipment, the system has a useful life of at least 25 years, which means that it is possible to obtain at least 20 years of profit with this type of installation”, highlights Diogo Martins Rosa, executive director of Plato Energy.
When it comes to longevity, engineer Franz Ammersdorfer stands out. For over 23 years, he has been using a photovoltaic system with a Fronius Sunrise inverter. “At the time, the inverter was a prototype. The agreement was that as soon as it went into series production, I would have a series production model,” he says. However, according to Ammersdorfer, there was no need to replace the equipment. “The inverter has been working since day one and I haven’t had a single problem with it.”
Today, more than two decades later, the engineer is using his solar energy to power his entire home, as well as investing in sustainable transportation. “I bought an electric vehicle, which I can charge with my own electricity produced from the sun,” he added.
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