Answer:

Battery placement depends on several factors that must be taken into consideration. These are overarching:

• The physical properties of the battery, such as IP rating
• The environment in which the battery will be placed
• Requirements from manufacturers, insurance companies, and authorities
• Technical aspects such as the possibility of connection to the DC grid (where EnergyHub and solar panels are connected), cable routing, and so on.

Environment & Physical Properties of the Battery

Batteries sold by Ferroamp are generally always IP20 or IP21 rated and should therefore be placed indoors. There are exceptions, such as the ESS battery, which is IP55 rated (and therefore can withstand moisture). However, as we see below, there are other aspects that also suggest this battery should be placed indoors.

Batteries should not be placed in an ambient temperature below zero degrees as this degrades performance, making it unsuitable for outdoor placement in Swedish climates. Batteries should be placed in a heated space free from condensation. The battery's lifespan is best when it is kept at room temperature for as much time as possible. Refer to the installation manual for the selected battery type and check the distance to nearby equipment, walls, and the floor's load-bearing capacity considering the weight of the batteries.

Weight is another factor to consider in placement. All types of batteries, regardless of chemistry, weigh a lot and must therefore be placed accordingly. The floor on which the battery is placed must be able to bear the weight. In most cases, the ground floor of a property is always recommended.

The final thing to consider when placing is ventilation. Generally, batteries emit between 3-7% of maximum power in heat.

Legal Requirements

When it comes to legal requirements for battery placement, there are actually four major sources of requirements that must be taken into account:

• Insurance companies - They have different requirements depending on the type of property and which insurance company you have.
• Local fire safety regulations - Different fire safety authorities in Sweden have different requirements on how and where you can place batteries.
• Procurement documents - For larger projects, there is always a procurement process, and any special requirements are specified in the documentation.
• Battery manufacturer specifications - The battery manufacturer sometimes imposes specific placement requirements, which are always specified in the battery manual.

Technical Aspects

Technical aspects of battery placement include things like cable routing and voltage drop. Here, a dimensioning of the EnergyHub system to be installed is needed to find out more.

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