Energy storage with electric batteries is increasingly taking up space in Brazil and around the world. Many companies, entities and consumers are adopting this type of technology, including solar energy.
To bring a taste of this scenario to readers, the Canal Solar carried out the selection of some storage projects that are already in operation in the country.
Farmer uses solar energy with batteries to avoid burning out equipment
An innovative solar energy system with Batteries allows you to regulate the voltage and frequency of the electrical grid, improving the quality of the energy consumed by equipment and machines on the property.
The farmer reported having many problems with the burning of expensive, imported equipment used in the farm's production processes. The solar system with storage allowed for greater reliability in operations, ensuring reduced maintenance costs, increased productivity and, consequently, increased income for the farmer.
The storage project was implemented by Alsol Energias Renováveis using the innovative energy as a service model, where the company invested in the project and the farmer paid a monthly rent. Gustavo Malagoli, the company's technical director, commented that the project went into operation at the end of 2020 and the initial results show that the technology has great potential.
“We are a company that has a special focus on the agricultural sector. We believe strongly in agribusiness, which is one of the flagships of our country,” the executive highlighted.
Hybrid system powers the entire city of Oiapoque in Amapá
The project made it possible to optimize infrastructure and operating costs by reducing the use of diesel oil for power generation, in addition to seeking sustainability. Implemented in Oiapoque (AP), the system consists of a 4 MW photovoltaic plant and a 12 MW thermal plant with diesel generators, both operating together.
The city is not connected to the without (National Interconnected System) and depends on the production of isolated energy to supply and supply the municipality with more than 24 thousand residents. The photovoltaic plant was installed in 2017 by Voltalia after winning a bid to supply electricity to Oiapoque, being the only company to offer a hybrid photovoltaic-thermal project.
The plant has 15.840 solar s and 132 inverters, occupying an area of 70 m². The plant generates approximately 5 GWh per year and the integration of solar energy with thermal energy generates a 10% saving in diesel per year.
Although it does not have battery storage, this type of hybrid system, which combines multiple energy sources, can benefit from the installation of battery banks, which can help minimize and optimize the use of diesel generators.
During blackout, city of Amapá guarantees energy through solar source and batteries
The blackout in Amapá that occurred in 2020 impacted around 782 thousand people and left 13 of the 16 municipalities in the state without electricity. Among the cities that were not affected is Laranjal do Jari.
This is because the communities in the region were supplied by a solar energy system with batteries installed by SS Solar, in partnership with SMA Solar. Families can consume 760 kWh/day thanks to the system that generates energy from the solar source and stores it in batteries.
The project, developed in February 2020, is responsible for bringing electricity to 146 riverside families who were removed from the Community of São Francisco do Iratapuru, in Monte Dourado, for the construction of the Santo Antônio do Jari Hydroelectric Power Plant.
Microgrid is put into operation in PE
The Moura Group, in partnership with ITEMM (Edson Mororó Moura Institute of Technology), has put into operation a hybrid microgrid unit at the institute's headquarters in the city of Belo Jardim (PE). The project explores the potential for integration between photovoltaic energy, diesel generation and energy storage, serving isolated areas with greater efficiency.
The Moura/ITEMM microgrid has a photovoltaic system with 310 kWp of installed power, with a 250 kW / 560 kWh battery bank and a 75 kVA generator set. Together with the diesel generator, the batteries allow operations to continue even in situations of power outages lasting many hours or days.
Boat-hotel in AM innovates and operates with solar energy and batteries
After reducing diesel consumption by 46% with the installation of a photovoltaic system, the Untamed Amazon hotel boat is set to eliminate fossil fuel consumption and use only solar energy to supply its electricity grid. The measures that will be adopted will result in a five-year payback period for the investment.
According to Junglers Marié Agência de Viagens, a company in the Untamed Angling do Brasil group and owner of the boat, this will be possible through the exchange of 94 260 Wp solar s, which generate between 85 and 104 kWh/day, for higher bifacial modules. capacity. With this, it is estimated that the system will triple its energy generation.
In addition, the lead-acid battery pack, which had collapsed due to the region's humid and hot environment, was replaced with lithium batteries. The replacement was carried out by the company ION Energia. The batteries used, model B-Box 13,8 kW, are manufactured by BYD and are compatible with the inverter system and other components of the installed system.
Brazil receives the first hybrid system in irrigation application
Solar energy has been a great ally for rural producers, optimizing electricity costs, increasing productivity and favoring sustainability in rural activities. An example of this is the three-pivot irrigation system implemented on a rural property in the southwest of Goiás, around 300 km from Goiânia, using solar energy.
The irrigation system is supplied by a 773 kWp photovoltaic system, with 700 kVA of inverters, 750 kVA of diesel generator and a battery bank with 300 kWh of autonomy.
The project's major innovation is that the entire system operates as a microgrid, which is completely autonomous and stable, without the need for additional power from the grid. The inverters, battery bank and diesel generator operate in a coordinated manner, ensuring excellent reliability in meeting the loads.
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