A Saev Environmental (Superintendence of Water, Sewage and Environment) of Votuporanga (SP) began operating a solar energy system with batteries at the ETE (Sewage Treatment Plant) “Antônio Aparecido Polidoro”, located in the rural area of the municipality.
With an investment of R$58,4 thousand, the authority installed ten photovoltaic modules and four lithium batteries, aiming to reduce environmental impact and promote savings in operational costs.
According to the company, the system has the capacity to generate 8,7 thousand kWh per year. Considering the durability of the batteries, the expected savings are R$ 1,3 million over this period – which represents around R$ 90 thousand per year.
In addition to generating energy, the initiative enabled the automation of the antifoam application process in the final stage of sewage treatment. Previously carried out manually, the process is now automated, which should result in savings in product consumption of between 60% and 70%.
The Votuporanga ETE is responsible for treating 100% of the sewage collected in the city of São Paulo, with the capacity to treat up to 370 liters per second.
The treatment system adopted is the Australian one, which uses stabilization ponds and uses gravity to transport sewage, minimizing electricity consumption.
With the installation of the solar energy system with batteries, Saev Ambiental informs that it seeks not only to save financial resources, but also to meet sustainability and efficiency objectives in the management of public resources, promoting environmental and economic benefits for the local population.
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