Technology Primarily Benefits Rural Producers, Who Enhance Their Activities Through Solar Energy
Brazil has just announced the first hybrid irrigation system in application, also the first in the world, using solar energy. Rural producers benefit from solar technology that optimizes electricity costs, increases productivity, and enhances sustainability in rural activities.
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The irrigation system is powered by a photovoltaic system, with inverters, a diesel generator, and a battery bank for autonomy. The major innovation of the project is that the entire system operates in the form of a microgrid, which is a fully autonomous and stable microgrid, without the need for supplementation from the electrical grid. The inverters, battery bank, and diesel generator operate in a coordinated manner, ensuring excellent reliability in meeting the loads.
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Illiterate or semi-literate grandmothers were trained to repair solar systems, open rural workshops, and light up homes that still depended on kerosene.
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The world has bet on green hydrogen as the fuel of the future, but now faces the side effect: producing 1 kilogram requires about 9 liters of ultrapure water, and the largest projects on the planet are precisely in the driest regions of the Earth, where water is already scarce for people.
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Africa has about 500,000 cell towers and most still burn diesel to operate, while companies rush to cover antennas with solar energy and avoid signal blackouts.
According to Portal Solar, the hybrid solar system was integrated into the existing irrigation system, which was previously entirely powered by a Caterpillar generator. This integration has led to a 60% reduction in diesel consumption after the installation of the solar system with batteries.
Considering all the benefits, such as productivity gains and avoided costs, the return on investment, initially calculated at 6 years, may be even more attractive. The estimate is that with the solution, the end customer will achieve a 60% reduction in daily diesel consumption.
Furthermore, evaluating the project as a whole (irrigation system + energy), the end customer will significantly improve productivity, doubling their number of harvests per year, increasing the number of sacks per hectare, and reducing production costs per harvest.

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