Commercial battery storage takes electrical energy from the grid or solar panels and stores it as chemical energy in batteries. This stored energy can be discharged back into the electrical system when required, providing businesses with greater flexibility and control over their energy usage.
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Essentially, the battery is connected to the facility's switchboard. The power from the switchboard, whether from solar panels or the grid, is directed to the battery inverter, which converts it to DC power for storage in the battery cells. When the energy is needed, the process is reversed, and the DC power is converted back to AC power before being fed back into the switchboard to power the facility.
The lifespan of commercial batteries depends on various factors, such as battery chemistry, usage patterns, and maintenance practices. Generally, lithium-ion batteries can last anywhere from 10 to 15 years. Their longevity is attributed to efficient cycling, averaging up to 10,000 lifetime cycles. In contrast, lead-acid batteries have a shorter lifespan, typically lasting between 500 to 1,200 cycles.
Battery warranties are often indicative of their expected lifespan, as they typically specify the number of cycles and calendar years. Lithium-ion batteries usually come with a 10-year warranty. In our experience, it is advisable to plan for a battery changeover around the 12th year. This approach allows for an additional two to three years of use after the manufacturer's warranty coverage before replacement is necessary.
The versatility of commercial battery storage is evident in its various configurations, tailored to suit different energy needs. Four common configurations are:
When considering commercial battery storage systems, space is a crucial factor to take into account. Generally, a commercial battery has a compact design resembling a tall fridge. For instance, a 100-kilowatt-hour storage capacity would occupy a space of approximately two meters in height, one meter in width, and one meter in depth.
Lithium-ion batteries, commonly used in commercial applications, offer several advantages contributing to their space efficiency. These batteries have a wide temperature operating range, typically between 0°C to 38°C, making them suitable for outdoor installations.
Moreover, lithium-ion systems are more energy-dense than lead-acid batteries. Energy density refers to the amount of energy (measured in kilowatt-hours) that a battery can store per unit of weight. So, a battery with a higher energy densityable to store more energy per unit of weightwill occupy less space while delivering the same or even greater energy storage capacity, making them ideal for commercial setups with limited space availability.
As with any technology, there are various safety considerations that should not be overlooked. The following risks should be addressed when considering a battery storage system:
Commercial battery storage systems offer businesses a range of benefits, including energy optimisation, enhanced reliability, and reduced costs.
By capturing and storing excess solar energy, businesses can increase their energy independence and contribute to a more sustainable future. However, it's crucial for businesses to understand how commercial battery storage works, consider the lifespan of batteries and mitigate potential risks associated with storage.
By following proper guidelines for safe storage and maintenance, businesses can maximise the benefits of commercial battery storage and make informed decisions regarding the adoption of solar batteries.
Over the past several years, multiple solar module manufacturers have shifted toward using original equipment manufacturers (OEMs) to make their modules (commonly called solar panels). The trend follows suit with manufacturers in many other industries from consumer electronics to apparel, who leverage the expertise of specialty manufacturers to maintain quality while the brand often focuses on service.
An OEM is essentially a manufacturer that specializes in making specific products on behalf of brands. In the case of solar module companies, primary manufacturers are outsourcing the production of their solar panels to OEMs.
The manufacturer still brands the product as its own, and ideally, monitors the manufacturing process to ensure the OEM maintains the level of quality that customers expect from the brand.
For homeowners deciding to invest in a solar panel system, the use of OEMs raises some important questions. Does outsourcing the manufacturing impact the quality of the product or the service you can expect? And what factors should you consider as you evaluate different brands?
As a homeowner, you want to know not only that the product youre getting is the best, but that the brand and warranty that stands behind it is just as good, says David Lopez, Group Sales Manager for Panasonics Western Territory.
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Thats because solar panels are a long-term investment. Ideally, they last for decades with minimal maintenance and performance degradation. A little research into the warranty that your manufacturer provides, as well as the technology and quality control, can give you a lot of reassurance as you embark on your solar journey.
The use of OEMs has been common across manufacturing by large, well-known for years. For instance, your iPhone is made by an OEM. Most likely, so are your TV, laptop, car stereo, air conditioner, and many other appliances .
Solar panel companies, including Panasonic, see several benefits from this strategy, and many positive effects for customers. Most notably, it can enable manufacturers to reduce their own costs as the OEM solar module manufacturers benefit from economies of scale in operating its factories, purchasing materials and hiring labor.
That allows the solar panel companies to keep costs to homeowners affordable, while still maintaining a high quality.
Lopez notes that outsourcing manufacturing offers other advantages that benefit manufacturers and homeowners alike. For example, by utilizing multiple OEMs, manufacturers can ensure that their products stay on the cutting edge of innovation. They dont need to worry about a single factory becoming outdatedinstead, they can leverage updates and innovations offered by their OEM partners.
OEM partnerships can also help manufacturers bring new products to market more quickly. Without waiting, we can select the OEM that complies with our high quality standards, while also producing the latest and greatest technology, Lopez says. Consumers end up with better solar panels that reflect the most recent developments in the industry as a result.
Whats more, by using OEMs, manufacturers can refocus on customer service and installer programs, providing an even higher level of care and guidance throughout the purchase, installation, and maintenance of the product.
Given that many solar panel manufacturers use OEMs, homeowners should do their homework on the solar panel brand. For leading brands like Panasonic, adopting this strategy allows them to focus on provide not only the best customer experience possible, but also a solar panel product that can keep up with the rapidly growing renewable energy sector.
Evaluate these four factors to determine the quality of the product and service youre purchasing:
Evaluate what the manufacturer does to control the quality of its solar modules, whether theyre made by an OEM or not. Mukesh Sethi, Director of Panasonics Solar and Energy Storage Division, notes that Panasonic has its own extensive quality control program. Before we choose an OEM partner, weve done extensive testing in-house, he says.
That includes testing panel performance at ultra-high and low-temperatures to ensure they work, no matter the weather. Once you know that your solar module manufacturer requires its panels to meet stringent quality control standards, you know theyre prioritizing product qualityand they demand their OEMs to do the same.
Consider the history of the brand and whether the company has a legacy of innovative technology. Panasonics new EverVolt solar panels, for instance, offer a low-temperature coefficient and higher module efficiency than many other products on the market. As a result, they produce more electricity to the home. We know the OEM partners weve selected have the same commitment to quality, technology and great performance for our residential customers, Sethi says.
Panasonic has also improved power output over time. EverVolt's low 8% degradation rate guarantees power output of at least 92% after 25 yearshigher than the industry average and better than the 90.76% rate of their previous panels.
A high-quality brand is going to stand behind its product. And the way companies do that is through their warranties. As you shop for solar panels, consider the warranties that companies provide as well as their track record. For instance, Panasonic provides a 25-year warranty on performance, product and components, and labor when installed by an authorized installer.
A solid warranty that you can trust shows a commitment to maintaining relationships with installers and homeowners, and to stand behind product quality over the long term, Sethi says.
Not only is the Panasonic warranty one of the strongest warranties available, but the company has been in business for more than 100 years. Thats important because you want to be sure that if you do have an issue down the line, the company is around to address it. A Panasonic OEM model assures continued service and support of these warranties for the life of your solar panel system.
Shifting toward a solar-powered home is an exciting move and one that requires an investment of money and time. Of course, you want the products and the company behind them to be as high of quality as possible. Take the time to research who makes your solar panels, how they work with their OEMs, and the technology, warranties, quality, and service theyre able to provide. Youll end up with better solar products and an easier transition to solar power as a result.
Contact us to discuss your requirements of OEM 3 phase residential inverter manufacturer. Our experienced sales team can help you identify the options that best suit your needs.
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