How much is needed to produce 9 Kw?

But you must carefully choose the power of your installation.

I guess if you follow my blog you are thinking about how many solar panels you will need to power your house at 9kWp.

You have come to the right place, because I am here to help you with your decision making. Let’s see this together:

  • The number of photovoltaic solar panels you need for this power.
  • The surface to be developed
  • The budget needed to finance this facility

I’ll also give you some suggestions if you don’t have enough space on your roof, and some things to compare that have less power.

Let’s start with the basics of the definition between the terms kW and kWp. This will help you better understand the rest of the equations.

Differentiate between kW and kWp to determine the number of solar panels per kW.

If you’ve started your search for solar panels, you may have come across the term “peak kilowatt (kWp)”.

It appears to be a kilowatt (kW). It is a similar word, but it is not exactly the same. Actually, the kW represents the maximum power that the electrical appliance can produce. If you examine the label of a device, you will find this information.

As for the word kWp, it is specific to the photovoltaic field and you may not know what it means.

This is the maximum power that a panel can deliver in ideal conditions, that is, in the middle of a hot summer day. This means that in real life the panels will not reach this power level 100% of the time.

Actual production figures will vary depending on the amount of sun and the time of year.

In this article, I will talk about kWp. Let’s get to the heart of the matter by calculating the number of panels you will need to reach a power of 9 kW.

To design your idea, we need to analyze the potential of a typical panel, as well as its dimensions.

What is the power of a typical photovoltaic panel?

To determine the number of solar panels you need to achieve 9 kWp power, you need to know the unit of power. There are many manufacturers that offer different models for sale.

To guide you, a typical panel typically produces 350W – 375W. Therefore, you will need 22 to 24 panels to obtain the desired power of 9 kW.

What solar panel area for 9kw?

Installing a 9 kW solar panel can occupy 48 square meters of your roof.

What is the cost of installing solar panels for 9 kW?

The most important question to ask yourself when deciding to embark on a solar photovoltaic project: what is the cost?

These are the costs of a photovoltaic solar installation on the roof:

kWp Reward
3 kWp from 7,000 euros
6kwp from 12,000 euros
9kwp from 16,000EUR

Find more specific information for the installation of solar panels for 6 kW

The price is not precise enough: they take into account the cost of self-consumption, so they are applicable to structures that are on the roof or pergolas but not to panels placed on the ground.

In the context of this help, I would like to draw your attention to VAT. The European Union issued a directive in April 2022 that allows member states to reduce the VAT threshold for the installation of solar panels.

Until now, the reduced VAT of 10% was only applicable to the rate for powers that were 3 kWp. Therefore, it should be extended to the maximum power of 3 kWp in the near future.

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