How to Determine the Optimal Capacity of a Residential Energy Storage System? - SCU

How to Determine the Optimal Capacity of a Residential Energy Storage System?

With the coronavirus outbreak, the need for solar and energy storage deployments from customers who are isolating at home or working remotely has increased, so here are some basics for residential energy storage deployments to help installers and residential users alike.

When it comes to energy storage deployment, some understanding of residential user needs and installation work is required before determining the optimal capacity for their residential energy storage system for residential users. The best way to determine its capacity is to divide this process down into two steps:

(1) After load analysis, determine the optimal capacity of the energy storage system.

(2) Analyze the deployment of rack mount solar battery.

Ⅰ. The optimal capacity of residential energy storage system with load analysis

Failure to determine the optimal residential energy storage system capacity could cost energy storage users more or fail to meet their user needs.

To avoid this, the installer must first communicate with the residential user and figure out what the base case is for their need for power.

For most residential users, they may initially want to power all the loads in their home until they understand that this may cost more, and usually choose to power the base load, and the standard residential energy storage system of 10 to 20 kWh typically powers its base load for up to 12 to 24 hours.

Residential users need to replace energy-consuming devices with energy-efficient or smart devices for this purpose. If you want to provide lithium battery UPS backup power to your air conditioning system, you need to make sure your home is well insulated and has energy efficient air conditioners.

Once the expectations of residential users have been determined, the next step is to determine how much spare capacity they may need. If a residential user is connected to the grid, a relatively accurate figure can be derived by looking at previous electricity bills to match their energy consumption.

For off-grid energy storage system solutions, meters can be used to help determine their power requirements and more accurately calculate load energy consumption. In general, it is better to set a higher energy storage converter capacity, otherwise residential users will be difficult to be satisfied.

Ⅱ. Analyze the deployment of solar power facilities

Residential energy storage systems can supply residential users with sustainable electricity in the event of grid failure, resulting in greater savings on electricity bills and a reduced residential carbon footprint.

When a residential user decides where to install a residential solar power facility, it is important to take into account weather conditions as well as obstacles such as trees or buildings.

After the installation location is determined, the installed capacity of the solar power generation facility must be matched with the inverter power of the energy storage system. The deployment of energy storage systems for solar power generation facilities can theoretically effectively provide continuous power and recover costs by saving electricity bills.

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