The problem of having too much power
As previously mentioned, contracting more power than necessary guarantees that you can have multiple pieces of equipment switched on at the same time without problems.
However, there is a higher bill as the power is a fixed cost in your bill. You can control your consumption perfectly, but once the power has been contracted that price will be fixed.
However, if your supply is connected in low voltage but the power is greater than 15 kW, there is a maximeter instead of a circuit breaker (see below).
How do you know what the right amount of power is?
The process is simple. It consists of aggregating the power requirements of the equipment that will be operating in your business, and estimating which appliances need to be switched on simultaneously.
You can find data on the power required by each device in its technical documentation, as well as on the manufacturer’s website.
For example, heating and air conditioning will not have to operate at the same time.
Please note any power peaks that may occur: those times when the maximum number of devices will be operating at the same time.
You will also need to check whether you have a single-phase or three-phase installation.
I already know how much power I need. What paperwork do I need to complete?
The basic document to consult is the Electrical Installation Certificate (EIC).
An authorised electrical installer is required in the following cases who, after carrying out an inspection, will issue a new certificate:
- The site is a new construction.
- Certificate more than 20 years old.
- Lost certificate.
- To change the electrical power.
- To switch to a monophasic or triphasic installation.
After you receive your certificate, contact your supplier, who will inform the supply company that it will be responsible for carrying out the change.