In an era where energy reliability is not just a convenience but a critical necessity, the importance of safeguarding energy and maintaining uptime in various sectors cannot be overstated. From hospitals to data centers, the need for a dependable emergency power supply is paramount in ensuring continuity, safety, and mitigating critical risks during unforeseen power outages. Traditionally, diesel standby generators have been the backbone of emergency power supply systems, offering a reliable albeit imperfect solution to this pressing need. However, the energy landscape is undergoing significant transformation towards environmentally friendly solutions. Innovations in battery technology and a growing awareness of environmental concerns are driving a shift towards on-site solar generation coupled with battery energy storage systems, offering several compelling advantages that align with the contemporary demands of energy efficiency, sustainability, and immediate responsiveness. In the United States, this initiative is supported by the Inflation Reduction Act of , which dedicates $370 billion towards investments in clean energy.
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Commercial and Industrial sector remains a top segment for energy storage demand, considering electric vehicle (EV) charging infrastructure as a major sub-segment. According to projections by the McKinsey Center for Future Mobility, the proportion of EVs in global vehicle sales is expected to increase from approximately 23% in to 45% by . This surge in EV popularity will necessitate a substantial expansion of both standard and fast-charging stations, leading to increased demands on existing grid infrastructure. Such expansion could entail significant costs and extensive time for upgrades. The increase in EVs leads to further grid instability and outages, further increasing the value of backup power supply. To mitigate these challenges, operators of charging stations might consider installing battery energy storage systems on their premises, as these systems also help reduce required infrastructural upgrades.
While diesel standby generators have long been the standard in emergency power supply, their limitations are becoming increasingly apparent. This realization is pivotal in driving the shift towards more sustainable and efficient alternatives, such as battery energy storage solutions (BESS). Some major concerns stand out when examining diesel standby generators as emergency power supply solutions:
Environmental Concerns: One of the most significant drawbacks of diesel generators is their environmental impact. These generators emit carbon dioxide, nitrogen oxides, and particulate matter, contributing to air pollution and greenhouse gas emissions. In an era where environmental sustainability is paramount, the carbon footprint of diesel generators is a critical concern. This is in stark contrast to BESS, which, particularly when combined with renewable energy sources, offers a much greener backup power solution.
Operational Efficiency: Diesel generators, in terms of operational efficiency, also fall behind modern standards. They require regular maintenance, including oil changes and fuel replenishment, which adds to the operational cost and complexity. Moreover, diesel fuel, being a commodity, is subject to price volatility, posing a financial risk for organizations relying on these generators for backup power. BESS, on the other hand, stands out for its lower maintenance requirements and reduced costs to recharge, presenting a more efficient and economically stable alternative.
Response Time and Flexibility: The response time of diesel generators can be a critical shortcoming in situations where immediate power is essential. It can take anywhere between 10-20 seconds for these generators to start up and reach full operational capacity, a delay that can be detrimental for emergency applications such as hospitals or data centers. BESS, in contrast, offer much faster response time, between 300 and 500ms for the switching time of an inverter, while that of a Uninterruptible Power Supply (UPS) battery system is below 10ms in order to maximize uptime. Additionally, the scalability and adaptability of BESS make it a more flexible choice for various applications, unlike diesel generators, which have limitations in scaling and adaptability.
In the quest for more efficient, sustainable, and reliable emergency power supply solutions, battery energy storage systems are emerging as a game-changer, addressing the limitations of diesel generators for various applications while also offering numerous advantages:
Overall, battery energy storage systems represent a significant leap forward in emergency power technology over diesel standby generators. In fact, the US saw an increase of 80% in the number of battery energy storage systems installed in . As we move towards a more sustainable and resilient energy future, BESS is poised to play a pivotal role in transforming how we approach emergency power solutions.
Different sectors have varying requirements for backup power. For instance, hospitals require uninterrupted power supply for life-saving equipment, making immediate response systems crucial. On the other hand, commercial buildings might be more suited to delayed response systems, where short-term outages are less critical. The optimization of grid flexibility, therefore, requires a tailored approach, considering the specific needs and risks associated with each application.
Delayed response emergency backup applications are typically categorized into Legally Required and Optional Standby power systems. Unlike immediate response systems that activate within a few milliseconds, delayed response systems have a longer engagement time, up to 60 seconds, after a power outage occurs. These systems are crucial for maintaining certain operational functionalities and safety measures but are not critical to immediate life-saving activities.
Engagement Time: These systems are required by codes such as the NFPA 110 to engage within 60 seconds of power loss. This timeframe, while slower than emergency power systems, is sufficient for many applications that do not directly involve life safety but are still essential for operational continuity and safety efforts.
Applications: They typically support functions like heating, refrigeration systems, ventilation, smoke removal systems, some hospital equipment, and lighting systems that are not essential for immediate evacuation but are important for ongoing safety and operations during an outage. The choice of what systems are supported can vary based on local codes and the specific needs of a facility.
Shared Infrastructure: Unlike emergency power systems, legally required standby systems can share infrastructure components with the general power system of a building. This shared use can make them more cost-effective but less independent compared to emergency systems.
Flexibility in Engagement: Optional standby systems offer the greatest flexibility in terms of response time and application. There are no stringent code requirements for the engagement time of these systems, allowing building owners to tailor them to their specific non-life-critical needs.
Business Continuity Focus: Often used in commercial settings like data centers, financial institutions, and other businesses where continuity of operation is key to preventing data or financial loss. These systems may support servers, key operational equipment, and comfort systems like air conditioning to maintain a functional work environment during outages.
Customization and Scalability: They offer the ability to customize based on the priority of operations, allowing for scalability and adjustment as per the organization's growth and changing needs.
Exro Technologies, a leading clean technology company has developed a next generation BESS built on patented battery control technology. The BESS, known as Cell Driver™, is a fully integrated energy storage system designed to optimize energy consumption and reduce electricity costs for commercial and industrial applications. The Exro Cell Driver™ stands out as an optimal solution for delayed response emergency backup power applications, offering a combination of advanced energy management, scalability, and cost-effectiveness. The system's modular design allows for tailored energy solutions, accommodating varying power needs. Additionally, its focus on sustainability through second-life battery utilization, along with superior thermal management and safety features, ensures reliability and environmental responsibility. These attributes, coupled with its integration with renewable energy sources, position the Cell Driver™ as a highly effective and sustainable option for delayed response applications.
Immediate response emergency backup power systems are designed to activate rapidly, typically within a few milliseconds, to provide uninterrupted power supply during an outage. These systems are crucial for life safety and maintaining critical operations that cannot tolerate any downtime.
Applications: The primary applications of these systems are in settings where immediate power is critical for safety and operational continuity. This includes:
Rapid Engagement: According to NFPA 110 standards, emergency power systems are required to engage and provide power within 10 seconds of a power loss. This swift response is essential for life safety systems and operations where even a brief power interruption could have severe consequences.
Safety and Independence: Emergency power systems are often dedicated to supporting life safety systems, including emergency lighting for egress, fire pumps, sprinkler systems, and fire alarm systems, ensuring that these critical functions remain operational during a power outage. They are designed to operate independently from the building's standard power system, with their own conduits and panels, to ensure a consistent and uninterrupted power supply during emergencies.
Understanding the differences between these systems is essential for designing an emergency power solution that meets specific safety, operational, and regulatory requirements. Immediate response systems are vital for life safety and critical operations. Battery energy storage systems are particularly effective in these scenarios due to their swift response, environmental benefits, and efficiency. Whereas delayed response systems maintain essential functions and comfort during outages, decreasing the urgency for uninterrupted power supply. The choice depends on the nature of the facility, the criticality of operations conducted within, and regulatory mandates.
Imagine a busy restaurant in an urban area, bustling with activity on a peak summer evening. Suddenly, an unexpected power outage strikes, plunging the establishment into darkness. The immediate consequences are profound: kitchen appliances stop working, the atmosphere is disrupted, and, crucially, the refrigeration units preserving perishable food items cease functioning.
In this scenario, the restaurant faces a high cost due to the potential of food spoilage. However, the cost of disruption is relatively manageable; prompt restoration of power would allow the restaurant to continue its operations with minimal impact. This distinction is key in understanding the different needs for backup power across various industries.
Fortunately, this restaurant is equipped with a Battery Energy Storage System (BESS). Within moments of the outage, the BESS activates, powering essential systems, especially the refrigeration units. This response prevents food spoilage and ensures the restaurant can maintain operations, despite the power failure.
The financial implications of not having a backup power system are significant. Without it, the restaurant would face the cost of spoiled food, potentially amounting to thousands of dollars, especially considering the quality of ingredients used. Additionally, there would be a loss of revenue due to forced closure, not to mention the potential damage to the restaurant's reputation from such an incident. Moreover, the expenses associated with the urgent restocking of spoiled ingredients would further strain the finances.
In contrast, the BESS helps the restaurant avoid these losses. The investment in the backup system is economically justified when compared to the potential direct and indirect costs of a power outage. While the operational needs of a restaurant might not be as critical as those in a hospital or data center, where mere seconds of power loss can have drastic consequences, the economic rationale for a reliable backup system like the BESS remains clear and strong.
This example highlights the importance of efficient backup power solutions in various sectors. The financial and operational impacts of power outages can be significant, regardless of the industry. Investing in a robust backup power system is not just about ensuring safety; it's a strategic business decision that guards against potential losses and guarantees business continuity in the face of unexpected power disruptions.
Exro Technologies' Cell Driver™ emerges as a leading choice for emergency energy backup needs, especially for commercial and industrial applications, offering a combination of advanced energy management, scalability, and cost-effectiveness. Its active cell balancing, peak shaving and load shifting capabilities enhance energy efficiency, making it ideal for managing energy costs in commercial and industrial settings. The Cell Driver™, a fully integrated Battery Energy Storage System, is enhanced by Exro's proprietary Battery Control System™, providing a multitude of benefits crucial for delayed response applications, with existing topology accounting for the undergoing development of UPS feature.
The Exro Cell Driver™ also offers dynamic micro-protection mechanisms for current, temperature, and voltage, ensuring unparalleled safety in ESS operation. This includes the ability to electronically isolate defective cells without impacting system operation, significantly enhancing safety and performance. Moreover, Exro's innovative approach to active cell balancing within the Cell Driver™ allows for cell level control and improved depth of discharge. By dynamically adjusting the amperage per second based on each cell's state of charge (SoC) and state of health (SoH), the system ensures consistently balanced cells, superior matching of power demand, and quality.
A BESS is an energy storage system (ESS) that captures energy from different sources, accumulates this energy, and stores it in rechargeable batteries for later use. Should the need arise, the electrochemical energy is discharged from the battery and supplied to homes, electric vehicles, industrial and commercial facilities.
A BESS is a compound system comprising hardware components along with low-level and high-level software. The main BESS parts include:
Depending on its functionality and operating conditions, a BESS can also include a range of safety systems, such as a fire control system, a smoke detector, a temperature control system, cooling, heating, ventilation, and air conditioning systems. The safety systems have their own monitoring and control units that provide conditions necessary for the safe operation of a BESS by monitoring its parameters and responding to emergencies.
Apart from electronics, complex BESSs rely on robust software solutions. For example, state-of-the-art systems use machine learning algorithms to optimize energy management. Estimating battery states and characteristics with high accuracy requires reliable algorithms and mathematical models built within BMS software development.
In sum, a BESS collects energy from an electricity grid or renewable power sources, such as solar and wind, and stores it using battery storage technology. Then, batteries discharge and release the energy when necessary—during peak demands, power outages, and in a variety of other applications.
BESSs can accommodate different batteries, including lithium-ion, lead-acid, nickel-cadmium batteries, and others—we’ll elaborate on them later in the article. Every battery type has certain technical specifications that designate BESS uses and affect the efficiency of battery energy storage. The principal battery characteristics embrace:
In addition to the above battery specifications, storage battery systems have other characteristics that describe their performance. For example, response time is the time a BESS needs to move from the idle state and start working at full power. Ramp rate is the rate at which the system can increase or decrease its power output—ramp it up or down, respectively.
BESSs vary depending on the electrochemistry or battery technology they use. Let’s look at the main BESS battery types and opportunities they offer for battery storage solutions.
According to the report prepared by the US Energy Information Administration (EIA), over 90% of a large-scale battery energy storage systems in the USA were powered by lithium-ion batteries. The current global statistics are pretty much the same. This type of rechargeable battery is widely popular in electric vehicles, consumer electronics, and portables, such as smartphones, laptops, tablets, and cameras. Li-ion battery chemistries comprise lithium cobalt oxide, lithium manganese oxide, lithium iron phosphate, lithium nickel manganese cobalt oxide (NMC), and others. The advantages of a Li-ion battery make it one of the leading technologies facilitating the storage of energy. The global lithium-ion battery market is projected to triple by , reaching $278 billion. It’s light and compact, has high capacity and energy density, low maintenance, and a long lifetime. In addition, lithium-ion batteries are easily and quickly charged and have a low self-discharge rate. The weak points of this battery technology include high cost, inflammability, and intolerance to extreme temperatures, overcharge, and overdischarge.
A lead-acid battery is the oldest battery technology and is also one of the cheapest and most available solutions that find use in automotive and industrial applications as well as power storage systems. PbA batteries are highly recyclable and can operate effectively at both high and low temperatures. Valve-regulated lead-acid (VRLA) batteries are more suitable for power storage solutions than their older counterparts—flooded lead-acid batteries—as they have a longer lifetime, higher capacity, and easier maintenance. Slow charging, heavyweight, and low energy density are among the major drawbacks of this battery technology.
This battery type prevailed in the market of wearable electronics until Li-ion batteries entered the game. Ni-Cd batteries have many configurations, they are inexpensive, easy to ship and store, and highly resistant to low temperatures. The technology is behind its competitors in energy density, self-discharge rate, and recycling. Nickel-metal hydride (Ni-MH) batteries use the same component as Ni-Cd technology—nickel oxide hydroxide (NiO(OH)). However, the Ni-MH battery chemistry provides better characteristics, such as higher capacity and energy density.
A sodium-sulfur battery is a cost-effective technology based on molten salt. The advantages of Na-S batteries involve high energy and power density, a long lifetime, and stable operation under extreme ambient conditions. Nevertheless, this battery technology has a limited application area because of high operating temperatures (not less than 300oC) and sensitivity to corrosion. In addition, sodium is a hazardous component that is highly flammable and explosive. Sodium-sulfur batteries are well-suited for standalone energy storage applications integrated with renewable power sources.
Unlike conventional rechargeable batteries in which energy is stored in solid electrode material, flow batteries store energy in liquid electrolyte solutions. The most common flow battery type is the vanadium redox battery (VRB). The other types consist of zinc-bromine, zinc-iron, and iron-chromium chemistries. Despite their low energy capacity and low charge/discharge rate, flow batteries have several important advantages, allowing them to hold a large market share in on-grid and off-grid energy storage systems, including large-scale applications. These benefits involve an extremely long lifespan (up to 30 years), high scalability, fast response time, and a low risk of fires because flow batteries contain non-inflammable electrolytes.
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As of , BESSs accounted for 7.5 % of the global energy storage capacity, significantly less than pumped-storage hydro. According to The Business Research Company, the battery energy storage market size is expected to reach $13.8 billion at 25.7% CAGR globally by . Given the availability, efficiency, and latest advances in electrochemical storage technologies, a BESS is anticipated to be an energy storage leader in the years ahead. However, alternative solutions can go up against battery power storage systems, getting the upper hand in some applications. Here are the main BESS competitors:
Alternative energy storage technologies have already been available for the past few years. Some of them are already up and running, while others are still in the works. The sure thing about all of them is the need for reliable machine learning and artificial intelligence solutions. These would automate operations, reduce maintenance expenses, and ensure smooth performance with minimum human input.
Choosing batteries for energy storage can be beneficial for several reasons. First off, battery storage ideas have no limits regarding location—you don’t need to provide huge water tanks or underground air reservoirs. Owing to its availability and flexibility, a BESS can fit in well with applications that require varying power and storage capacity levels. Moreover, modern battery technologies tilt toward light weight, cost-efficiency, safety, and environmental friendliness. Let’s consider the use cases of a battery energy storage system and the essential problems it can solve.
BESSs help balance loads between on-peak and off-peak times. Electricity demands may vary depending on the day, time, season, and other factors. The higher the demand, the higher the electricity cost and vice versa—pricing gets lower during off-peak hours. By accumulating energy when the demand is low and discharging it in peak periods, battery storage solutions enable users to save on electricity tariffs (peak shaving).
As mentioned above, electricity prices fluctuate at different times, having both rises and falls. Battery energy storage systems allow for energy time-shifting—energy is purchased at a low price during off-peak periods and sold or used when the price increases. Thus, irrespective of the season and electricity demand, BESSs can equalize energy prices and minimize risks.
A BESS can supply backup power in case of an electricity grid failure until complete power restoration. Larger storage capacity and integration with renewable energy sources enable BESSs to back up energy for longer periods. By operating as an uninterruptable power supply (UPS), a commercial battery storage solution can be a time and money saver as it eliminates downtime.
A BESS can replace a diesel or natural gas generator used by power plants to restore power generation after blackouts by leveraging its black-start capabilities. Based on battery storage, power systems can restart after a total shutdown without using external electricity networks. The fast response time of a BESS helps systems recover in the shortest possible time.
Battery storage systems can regulate frequency in the grid, making sure its value lies within the required range. If the amount of generated power disagrees with the actual electricity demand, the frequency can either exceed or fall below its nominal value. Such discrepancies may result in temporary disconnections, power failures, or blackouts. BESSs can immediately react to power interruptions, providing sub-second frequency response, and stabilize the grid.
A BESS can likewise ensure voltage stability, maintaining its level within the specified range.
Integrating battery energy storage systems with intermittent renewable energy sources opens the door to inexpensive electricity continuously available to on-grid, off-grid, and hybrid systems. More recently, clean energy has gained popularity as an economically viable and eco-friendly alternative to fossil fuels. According to Statista, renewable energy sources (hydro, wind, solar, bioenergy and other renewables) accounted for 30% of global electricity production in . Moreover, it is projected to reach 45% by . The proliferation of renewable energy-enabled storage solutions is extensively supported and incentivized by governments through subsidies and lower tax rates.
Battery storage technology enhances the efficiency of renewables. It makes them a reliable energy source for a variety of applications, including households with photovoltaics (PVs), off-grid commercial facilities, and isolated communities, such as islands and remote rural areas. Smart grids located in Rokkasho, a village in Japan, store solar and wind energy using a large-capacity BESS based on sodium-sulfur batteries. Currently, there are 92 wind power generation facilities and 3 solar power plants with a total capacity of 313,350 kW.
A BESS assists grid-tied and hybrid solar and wind systems with energy time-shift and demand-side management. For example, in windy weather, the system can power homes and charge batteries during on-peak and off-peak times respectively. Later, the battery energy storage system wind power can be used when the electricity demand is high and the variable energy resource is unavailable. Such a system has been installed and is running successfully in the Faroe Islands. Now, wind turbines generate power that covers about 50% of the islands’ energy needs.
Battery energy storage can eliminate the need to build new transmission and distribution systems or update existing T&D assets that lack capacity or become obsolete. By storing excess energy and providing reserve capacity, a BESS can take the load off overloaded T&D lines and prevent congestion in transmission systems.
A BESS is an essential part of microgrids—distributed power networks that can be connected to the utility grid or totally independent. Standalone microgrids located in remote regions can rely on battery storage systems integrated with intermittent renewable energy sources. Such solutions enable smooth power generation and help avoid heavy expenses and air pollution associated with diesel generators.
BESSs find wide use in different industries and application areas. For example, front-of-the-meter (FTM) applications comprise battery storage systems in electric power systems, such as utility-scale generation and energy storage facilities as well as transmission and distribution lines. Behind-the-meter (BTM) applications embrace transportation, including electric vehicles and marine systems, residential, commercial, and industrial battery storage solutions.
The Vistra Moss Landing Energy Storage Facility in California, USA, is the world's largest battery storage system. The 400 MW/ MWh BESS was commissioned to work in December . The storage capacity is expected to reach 750 MW/ MWh by the summer of .
Vistra, the retail electricity and power generation company previously criticized for climate pollution, is shifting its focus to renewable energy, doing its part to protect the environment and create new jobs.
Some of the world’s largest battery energy storage systems are the Alamitos Energy Center, Gateway Energy Storage (US), Hornsdale Power Reserve (Australia), Minety Battery Energy Storage Project (UK), Buzen and Rokkasho battery power plants (Japan), Korea Zinc Energy Storage System (South Korea), and Kunshan Energy Storage Power Station (China).
In , 4,027 MW / 12,155 MWh of battery energy storage was deployed in the US, compared to 3,000 MW / 9,500 MWh added to the grid in . As analyzed by Frost & Sullivan, the decrease in technology cost and rapid spread of renewables will boost the global grid battery storage capacity to 134.6 GW by .
The global energy storage market offers a great choice of off-the-shelf battery energy storage systems. They vary in battery chemistry, scale, functionality, intended use, and price. Here are some of the key BESS market players:
The global battery energy storage market is abundant in offers. As battery costs tend to fall, ready-made BESSs become more affordable to consumers. According to Statista, the price for lithium-ion batteries (that prevail in battery-based energy storage) has dropped by 90% in the past 11 years—from $1,220 in to $132 in per kilowatt-hour. But at the end of the day, the battery price will depend on the project size and storage capacity—small-scale projects will be charged higher than the average price.
Apart from the batteries, the total battery energy storage system cost consists of the cost of an energy management system, a BMS, a power conversion system, or inverter, and other components. Utilizing an out-of-the-box BESS may also entail expenses on installation, operation, maintenance, and warranty. For example, Tesla’s Powerwall provides 13.5 kWh of usable storage capacity, and its price can amount to $10,500, including the solar panel system and installation costs. Panasonic EverVolt allows for storing between 11.4 kWh and 17.1 kWh of energy, which will cost from $15,000 to $20,000 with solar panels, installation, and set up.
When choosing a battery energy storage system, you should consider plenty of factors other than its cost. They include:
Thus, BMS software plays a significant role in the overall performance of a battery storage system as it is responsible for charging and discharging along with battery safety.
Once you are set to buy an off-the-shelf battery energy storage system, make sure you or your staff have enough expertise and qualifications to check the quality and completeness of the entire system before making a purchase and supplying it to your customer.
Setting up, maintaining, and supporting a BESS may also require personnel training on your side unless you’re ready to pay for these services to the BESS provider. When buying a battery storage device, make sure the manufacturer offers a warranty that covers the repair or replacement of the system and its components in case of failure.
Purchasing an out-of-the-box BESS can definitely save your time, especially if you need a turnkey solution with no specific consumer requirements for the system. With a rich selection of battery energy storage products on the market, there is a high chance of finding a reliable manufacturer and a suitable option that could meet your customers’ needs.
Conversely, ready-made systems may have unreasonably priced electronics, pre-installed software of poor quality, and unnecessary features that add to the cost. They may also lack features desired by the end user or fail to satisfy the consumer’s industry and business niche demands or operating conditions and location requirements. In addition, not all BESS suppliers provide all-in-one solutions, and purchasing components and subsystems from different manufacturers can result in serious compatibility and interconnection issues. Developing a custom battery energy storage system can become an alternative that is worth looking at.
Tailor-made BESSs can make up for what’s lacking in out-of-the-box solutions offered by major battery storage systems providers. So, they can meet the exact needs of your potential consumers. However, implementing a custom product is a time-taking and resource-consuming task. Building a battery energy storage solution belongs to large-scale, long-running projects that can last for months or even years.
A BESS is a complex, multilayer engineering system, so developing a battery-based storage solution from the ground up requires deep knowledge in various fields, including battery technologies, power electronics, and embedded software development. In our upcoming articles, we’ll cover challenges associated with developing and implementing battery energy storage systems.
Choosing the right development team is half the battle; that’s why it’s essential to hire well-trained professionals with relevant experience. Creating a battery energy storage system from scratch takes specialists in electronic design, electrical engineering, low-level firmware, high-level software, and mechanical engineering for enclosure design.
The Integra Sources team could be the right fit for your project. We design PCBs for battery management, bi-directional power conversion, energy management, and safety systems of a BESS. Our engineers implement monitoring and control software and provide online data communication for remote BESS management. We create scalable battery energy storage solutions with fast response time, quick ramp rate, and high-efficiency power supply. Integrated with either electrical grids or renewables, our BESSs can serve for load management, power backup, frequency and voltage regulation, energy time-shifting, and many other purposes.
Manufacturing is another important challenge you’ll have to face when making your own battery energy storage product. The BESS manufacturing process involves a diversity of tasks that can be carried out at different production facilities. So, synergy is the key to efficient BESS manufacture.
You’ll have to take care of the product certification too. Apart from international standards, such as IEC, ISO, IEEE, and UL, a BESS is highly likely to need to meet specific national standards and certification requirements in each particular country. For example, in the United States, an energy storage system must also conform to the regulations of the Federal Energy Regulatory Commission (FERC), the Department of Energy (DOE), and some regulatory agencies at the state level.
In October , Australia and New Zealand developed AS/NZS :—a joint standard that sets general installation and safety requirements for battery energy storage systems. In addition, Australian BESS manufacturers must comply with a number of other national and international codes and standards.
Certification criteria may also depend on the industry and application area of a BESS. For example, DNV provides a recommended practice that contains guidelines for design, performance, operation, maintenance, and safety for energy storage used in marine systems. The document comprises specifications for charge/discharge rate, SOC, SOH, DoD, and many other system parameters and operating conditions.
The engineering team engaged in BESS development must be well-versed in the certification requirements and applicable standards. This helps mitigate risks in the system’s design and delivers a high-quality product to your end user on time and within budget.
Despite the challenges, designing a bespoke BESS can enhance usability, reduce operating costs, and improve the reliability of the system. After drilling down the market, you can heed the customers’ needs, consider the shortcomings of off-the-shelf BESSs, and create highly sought-after battery energy storage solutions.
Implementing your own product makes you independent of any particular BESS provider and its services. You can set up, maintain, support, and deliver other services to your customers in a prompt manner and without intermediaries.
A BESS is a multi-component energy storage system able to store varying amounts of electrochemical energy and use it later for a range of purposes—be it peak shaving, energy arbitrage, or a black start.
The advances in battery technology make a BESS a light and affordable solution for both residential and commercial use, including smart homes, large-scale industrial facilities, and utility grids. Buildings, villages, towns, and even entire islands can employ battery storage integrated with green energy for a reliable, self-sufficient power supply.
BESS manufacturers offer a wealth of options with various storage capacities and for any application and budget. However, purchasing an off-the-shelf system demands strong knowledge of the technology, and a ready-made BESS may not meet the specific requirements of an end user.
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