Residential Energy Storage VS Commercial Energy Storage
There are many differences between residential energy storage and commercial energy storage, the differences as follows:
1.Application scenarios
Residential: mainly used in households, such as in conjunction with household solar photovoltaic systems,to store excess electricity for use at night or on cloudy days;As an emergency power source during power outages,it ensures the operation of basic electrical appliances such as lighting, refrigerators, and communication equipment;storage of low-priced electricity can also be used during periods of high electricity prices to reduce electricity costs.
Commercial:Applied to commercial buildings and industrial facilities such as factories,shopping malls,office buildings,data centers,etc,charging during low electricity price periods and discharging during peak periods can achieve “peak valley arbitrage”; As an emergency power source,it ensures the operation of critical equipment in the event of a power grid failure,maintaining basic production and operation; Can also participate in frequency regulation,peak shaving and other services of the power grid, improving the stability of the power grid.
2.Scale and Capacity
Residential:The scale is relatively small,with power generally ranging from a few kW to a dozen kW,and energy storage capacity typically ranging from several kilowatt hours to tens of kilowatt hours.
Commercial:The scale is relatively large, with power generally ranging from tens of kW to several MW, and storage capacity can reach several hundred kWh to several thousand kWh, or even higher.
3.Load characteristic
Residential:The load characteristics are relatively stable,mainly influenced by household habits,seasons,and time periods, such as relatively high electricity demand at night.
Commercial:The load characteristics are more complex,with different production laws in different industries,greatly influenced by factors such as production plans,working hours, seasons,and may require consideration of factors such as electric vehicle charging and discharging.
4.Planning and installation methods
Residential:Usually,independent installation is used to provide energy storage services for individual household users,and the installation is relatively simple.
Commercial:Distributed or centralized deployment is commonly used to provide energy storage services for multiple users,or to integrate with the power system,when planning and installing,more complex grid access and system integration issues need to be considered.
5.Investment cost and return cycle
Residential:The initial investment is relatively small,but due to the significant energy-saving effect,the investment return can usually be achieved in a short period of time.
Commercial:The initial investment is relatively large,requiring the purchase of a large amount of equipment and complex installation and commissioning,however,due to the ability to use energy storage for “peak valley arbitrage”and participate in grid services,the economic benefits are also significant,however,the investment return period is usually long.
6.Key technical requirements
Residential:More emphasis should be placed on safety,and a comprehensive battery management system is needed to prevent overcharging,overdischarging,and other situations to ensure the safety of household users;simultaneously requiring easy operation and maintenance,with a simple and easy to understand operating interface.
Commercial:Emphasize reliability to reduce downtime and meet the continuous production or operation needs of industry and commerce;It is also necessary to have good power factor regulation ability and reduce the enterprise’s electricity expenses through reactive power compensation.