How to sell the solar energy you have left over?

The idea of self-consumption is simple: you generate your own energy to then use it. But what happens when you generate more energy than you need? Can you "make money" thanks to this surplus?

More and more people decide to join self-consumption and install solar panels to generate their own energy.

The idea is simple: you generate your own energy to then use it.

But what happens when you generate more energy than you need?

 

Save on your bill thanks to your surplus energy

One of the most common questions of newcomers to self-consumption is: how do I sell my excess power to the grid and thus save on my electricity bill? 

There are two great options for your surplus energy:

  1. With compensation: quick and easy. You save because you stop paying part of your bill. You only have to subscribe a solar energy tariff and each month your surplus value (not taxable) is added to your bill. You will save, but the best you can get is to pay 0 euros for your power unit price. You will have to keep paying for everything else. Here, we explain the sections of your bill so that you understand your electric bill thoroughly.
  2. With no compensation: we are no longer talking about saving but rather about selling energy to the electricity market. To do this, you must register as an energy producer and pay a tax of 7% on energy produced. In short, a complex procedure of little interest for most self-consumers.

 

Simplified compensation for surplus

This is the option we recommend, the most common choice among electric self-consumption users to save money thanks to the surplus energy of their solar panel installation. 

The process is agile and simple, in just 4 steps:

  1. Installation of photovoltaic solar panels.
  2. Legalisation of the installation with the competent regional body: you inform the regional authorities that you want to benefit from simplified compensation for surplus.
  3. The regional authorities send the details of your photovoltaic installation to the electrical distributor in the area, which will then inform your electricity supplier. In case this is not clear to you, here we explain the differences between distributor and supplier.
  4. You will receive a letter from your marketer to verify that your installation details are correct, in which case, you will only have to call Customer Services free of charge (800 760 909) and contract a tariff that includes compensation for surplus energy. For example, Tempo Solar.

If you choose self-consumption with Endesa, these 4 steps are simplified and become one. You will not have to worry about a single procedure because we will take care of everything from installing the panels to obtaining the permits and sending all the documentation.

The maximum refund for surplus energy is what you should pay for consumption

Someone with a self-consumption installation may wonder: if one month I generate more energy than I use from the electricity grid, does the bill include receivables?

Throughout the month, your photovoltaic installation may produce more energy than you use. In this situation, the surplus energy is injected into the distribution grid.

Current regulation sets an important limit for these surpluses: an amount greater than the amount billed for electricity use during the same month cannot be refunded in euros.

That is, the maximum value that a company can compensate you for for your surplus energy is the value of the monthly power unit price billed. If you spend €65 in energy in one month: this is as much as you may be compensated for for your surplus injected into the grid.

Your bill will never include receivables, but it may be zero euros to pay for the variable component (consumption). You still need to pay the fixed component (power).

  • If you have any questions about the different parts that make up your bill, check out this content.

Current regulation also explains why the price at which you sell your surplus energy is less than the price at which you pay the energy you consume from the grid. The grid access tariff and the cost of producing electricity are behind this price difference.

 

Leverage tax benefits

Currently, virtually all city councils offer discounts on municipal taxes for the installation of solar panels. Sometimes this discount may include a 50% reduction of property tax (IBI) for 10 years. 

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