BESS: Battery Energy Storage System
The Battery Energy Storage System (BESS) is a battery energy storage system that allows electricity to be captured from various sources and used as needed.
This technology transformative plays an important role in modernizing energy infrastructure, optimizing grid stability, and facilitating the integration of intermittent energies such as solar and wind.
With the use of BESS, companies and industries can store energy during periods of low demand or higher renewable generation for use during peak times or when primary sources are unavailable.
This enables a more reliable and efficient supply, reducing dependence on fossil fuels and actively contributing to sustainability.
The BESS energy storage system is a solution that drives the global energy transition.
What is a BESS (Battery Energy Storage System)?
The BESS systems use high-capacity batteries to store the electricity generated, whether from renewable sources like solar and wind, or from the power grid itself.
This energy is stored and made available as needed, ensuring a continuous energy supply and stable. It’s like having an energy reserve always ready to be used.
In this mode, energy is collected during periods of lower demand or high production, and made available when the need increases. With the growing adoption of solar energy, BESS becomes an essential component to maximize self-sufficiency and efficiency.
For companies, BESS ceases to be an accessory and becomes a strategic tool for financial management and operational resilience. Economically, the system allows for Peak Shaving, that is, reducing demand peaks, significantly lowering costs by discharging stored energy during peak hours when utility rates are higher.
Additionally, BESS enables tariff arbitration, which is the practice of buying during the cheapest period to use during the most expensive. In the case of BEE, batteries are charged during lower-cost periods for strategic later use.
From an operational standpoint, the system acts as a safeguard against grid instability, eliminating micro-interruptions that can cause critical stoppages in production lines and damage to sensitive equipment.
More than continuity, BESS offers budget predictability and energy autonomy, allowing the company to maximize the use of its own renewable generation – such as solar – and advance its global decarbonization goals, transforming energy from an uncertain variable cost into a controlled asset.
How does the battery energy storage system work?
The battery energy storage system operates in a three-stage cycle: charging, storing, and discharging.
In the charging phase, the BESS captures energy from various sources, such as solar panels or the electrical grid itself, converting this energy into chemical form within the batteries.
This process is controlled by management systems that ensure greater efficiency and safety.
In the storage stage, the energy remains accumulated with low losses and safely, ready to be used at any time.
The batteries used in BESS systems, usually made of lithium-ion, are designed to offer high energy density, longevity and consistent performance, ensuring the reserve is always available.
Finally, in the discharge phase, the chemical energy is converted back into electricity and supplied to the grid or directly to the equipment, as needed.
This flexible cycle allows the system to optimize consumption, taking advantage of, for example, lower tariffs or ensuring energy during peak times.
Importance of energy storage
In the current scenario, energy storage is essential for the efficiency and security of the electrical system.
It allows the integration of intermittent renewable sources, such as solar and wind, smoothing fluctuations and ensuring a continuous and stable supply of electricity.
- Stabilization of the electrical grid: the BESS acts as system support, assisting in frequency and voltage regulation, and providing backup power reserve during high demand periods or supply failures.
- Cost optimization: companies can reduce expenses by storing electricity during lower-cost periods for use during demand peaks.
- Environmental sustainability: the use of BESS for renewable energy decreases reliance on fossil fuels, reducing emissions associated with energy generation and driving the transition to a clean energy matrix.
- Autonomy and reliability: the system ensures greater energy security in cases of grid interruptions, maintaining continuity and reducing production losses.
- Operational flexibility: allows power systems to quickly adapt to changes in demand, optimizing efficiency and the use of available energy resources.
Components of BESS systems
The BESS systems are complex and integrated, composed of various equipment that work together to ensure efficient and safe operation.
Battery modules
The battery modules are the heart of the BESS and responsible for energy storage. The solar energy storage batteries, such as lithium-ion, are preferred for their high energy density and long lifespan, forming a robust BESS battery bank.
Battery Management System (BMS)
It is responsible for monitoring parameters such as temperature, voltage, and current. The BMS ensures the safety and longevity of the batteries, optimizing performance and preventing failures.
Power inverters and converters
They convert energy between direct current (DC) from the batteries and alternating current (AC) from the grid or equipment. The efficiency of these components directly impacts the system’s performance system.
Control and monitoring system
Its function is to manage the interaction between all equipment, optimizing charging and discharging based on the needs of the grid or consumer. It is essential for the stability and efficiency of energy storage.
Structure and protection cabinets
House and protect internal components from weather, impacts, and other external factors. They are indispensable for the safety and durability of the BESS.
Types of BESS systems available at Tecnogera
Tecnogera offers a BESS system versatile, with a sustainable differential by reusing lithium-ion batteries from other applications, extending their lifespan and promoting circular economy.
Our solutions are tailored to meet the needs of each project, addressing different operational demands and contributing to more efficient and reliable energy management.
Mobile BESS for events and temporary operations
Indicated to meet temporary energy demands, such as at events, construction sites, or remote locations.
This model uses batteries installed in containers or vehicles, offering flexibility and autonomy, replacing diesel generators with a silent and emission-free solution.
Stationary BESS for industries and commerce
Developed for fixed installations, this energy storage system contributes to energy security and cost optimization for large consumers.
It allows for solar energy storage surplus and peak demand management, with a battery bank configured for high capacity and long duration.
BESS for grid and microgrid stabilization
Focused on stabilizing the power grid, this BESS model offers energy reserve and ancillary services for utilities and microgrid projects.
It supports the integration of renewable sources and contributes to maintaining the quality and reliability of the power supply.
Battery energy storage system applications
The battery energy storage system (BESS) has a wide range of applications, transforming the way various sectors manage and consume electricity.
Power grid stabilization
The BESS for grid stabilization acts as a buffer, absorbing excess energy and releasing it when there is a shortage. This is essential to compensate for fluctuations from renewable sources and maintain energy quality.
Integration of renewable sources
For facilities with solar energy storage or wind, the BESS stores the surplus production. Thus, the energy generated during the day, for example, can be used at night, increasing self-sufficiency and the efficiency of the BESS for renewable energy.
Energy backup systems
In case of network interruptions, the energy storage system immediately kicks in, providing power for critical operations. This ensures business continuity and prevents losses.
Cost optimization and energy arbitrage
Companies use the BESS system to purchase energy during low tariff periods and consume it during peak hours. This energy storage strategy can generate significant savings on electricity bills.
Use in remote locations
Ideal for isolated regions without access to the grid, combining it with renewable sources to create self-sufficient microgrids. It offers a reliable and clean energy solution.
Advantages of Tecnogera's BESS
The BESS system from Tecnogera offers differentiators that make it a smart choice for energy security and sustainability.
Our energy storage solutions combine technology, innovation, and a strong environmental commitment.
- Clean and quiet energy: our systems offer an alternative zero emissions and noise-free to diesel generators, ideal for events, hospitals, and urban areas. The BESS ensures a more pleasant and healthier environment.
- Reliability and safety: designed for grid stability and backup systems energy, Tecnogera’s BESS offers uninterrupted power supply. Accompanied by a Battery Management System (BMS), ensures operational safety and the longevity of the battery bank.
- Flexibility and mobility: we offer mobile BESS solutions, adaptable to meet temporary demands or remote locations, ensuring that the energy reserve always be where you need it. It is a versatile solution that adapts to various applications.
- Reduction of operational costs: by optimizing consumption and enabling the use of stored energy during peak hours, our system helps to significantly reduce electricity expenses.
How to rent a battery energy storage system?
Renting the BESS with Tecnogera is a simple and efficient process, designed to ensure that you have access to the energy your operation needs.
Follow the step-by-step:
Initial contact and needs analysis
The first step to renting a BESS is to contact the Tecnogera team to present your needs.
Our specialists will conduct a detailed analysis of your consumption and energy storage requirements, sizing the best solution for you.
Customized proposal and contract
Based on the analysis, a customized proposal will be presented with information including the type of system, the rental term, and commercial conditions.
After approval, a rental agreement will be formalized with all the information.
Logistics, installation, and testing
In the next step, our team will handle all delivery logistics and on-site installation.
We conduct rigorous tests to ensure the system is functioning perfectly, ready to operate and provide its energy reserve.
Technical support and maintenance
Throughout the rental period, the client has access to Tecnogera’s specialized technical support.
Any questions or maintenance needs are promptly addressed, ensuring continuous performance and the efficiency of the service offered.
Clean and efficient energy with Tecnogera's BESS
Tecnogera is your ideal partner for clean and efficient energy, and our BESS system is the answer to future demands. Developed with Brazilian innovation, our energy storage is synonymous with sustainability and reliability.
Brazilian innovation and sustainability
The BESS for renewable energy, solution developed by Tecnogera’s specialists, reuses lithium batteries from electric platforms for work at height.
The lithium batteries used are about 5 to 10 years old, and their reuse extends their lifespan, delaying disposal. The solution development project took one year.
Autonomy and reliability
With Tecnogera’s BESS, you ensure a continuous power supply and uninterrupted, protecting your operations from network failures and demand spikes. Our battery bank offers the energy reserve necessary to keep everything running, even in challenging situations.
Efficiency and savings
This technology allows for optimized consumption by storing electricity during low-rate periods and using it during peak times. This translates into significant cost reduction and greater energy efficiency for your company.
Versatility and mobility
Whether for events, industrial operations, commerce, or grid stabilization, the system adapts to your needs.
Our mobile solutions ensure clean, quiet energy, battery, wherever and whenever you need it.
Tecnogera BESS Case
Tecnogera prides itself on its success stories, which demonstrate effectiveness and benefits in various applications.
Tiradentes Film Festival
During the 27th edition of the Tiradentes Film Festival, held in January 2024, the mobile BESS systemfrom Tecnogera ensured power for the film screenings, providing a sustainable event, by replacing diesel generators and avoiding the release of pollutants.
During the nine days of the Show, which is considered the largest contemporary Brazilian cinema event, approximately 1MWh of clean energy was generated.
RD Health (Raia and Drogasil)
RD Saúde, the largest pharmacy chain in Brazil and the result of the merger of the Droga Raia and Drogasil brands, adopted the mobile BESS solution from Tecnogera as support for power supply in one of its units in the capital of São Paulo.
This project reinforced the network’s commitment to decarbonization and the use of clean energy.
CineBH – International Film Festival of Belo Horizonte
At the 18th edition of CineBH, one of the most important cultural events in Minas Gerais, the M-BESS (Mobile Battery Energy Storage System) provided clean energy during the screening of over 100 films, contributing to the reduction of CO2 emissions and consolidating a sustainable legacy for major events in Minas Gerais.
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