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Benefits of solar batteries for your home

You already know all (or almost all) of the advantages of a solar self-consumption system. But now solar batteries have appeared on the scene, which guarantee you a continuous supply, enable you to have a self-sufficient home and increase energy savings and above all, savings on your electricity bills.

Taking advantage of the energy provided by the sun, lowering the price of the electricity bill and at the same time reducing our impact on the planet are the main benefits of self-consumption with solar panels. More and more people are attracted by the advantages of solar photovoltaic energy and are deciding to install solar panels in their homes. However, there is one doubt that many people have: What happens to the energy you produce but do not use? Is there a way to store it?

One option is to complete the photovoltaic installation with batteries, storage devices that accumulate the surplus energy generated by the solar panels. This makes it possible to reduce the electricity bill even more and guarantees that there will always be a supply, even at night or during power cuts.

How does a solar battery work?

At some times of the day, a large proportion of the photovoltaic installations for self-consumption in buildings and detached houses produce more electricity than they need. This happens, for example, in the mornings, when most people are working, the lights are off, and many appliances are unplugged.

When this happens, installations that do not have batteries inject this surplus into the grid in exchange for compensation for the user. Generally, more than 50% of the energy generated during the day is wasted. An alternative to prevent this energy from being fed into the grid is to install batteries that can accumulate it.

Solar batteries work in a similar way to any other type of battery. The surplus energy produced by the panels is fed into the batteries, which transform the electricity into chemical energy. This energy is stored until it is released when it is needed again in the form of electricity.

And when is it necessary? For example, at night, when the darkness prevents the solar panels from continuing to generate energy and the demand for electricity increases. It is also a very useful solution in isolated areas, where the electricity supply is not continuous or power cuts occur frequently.

 

From Savings to Sustainability: Benefits of Solar Batteries

Installing solar batteries in a home has numerous benefits. These are the main ones:

  • Increases energy savings: Batteries make it possible to get the most out of solar photovoltaic installations. They can reduce electricity bills considerably, as you are less dependent on electricity from the grid.
  • Ensures a continuous supply: Batteries enable you to enjoy self-generated energy throughout the day. This prevents power cuts which are becoming less and less common in cities, but can happen in rural or isolated areas.
  • It enables you to have a self-sufficient home: Batteries make it possible to disconnect from the electricity grid and depend entirely on self-sufficiency which is important if you are looking to have a more sustainable home.
  • Reduces emissions: Using only solar energy to meet a home's energy needs ensures that no fossil fuels are burned and there are no emissions of greenhouse gases that accelerate climate change.
  • They are durable: We know that batteries generally have a limited number of charge cycles, after which the quality diminishes and they stop working. However, nowadays solar batteries are much more durable and can work properly for up to 15 or 20 years.

According to the International Energy Agency (IEA), batteries in general and solar batteries in particular will play an important role in making the energy sector more flexible, so demand for them is expected to grow in the coming years.

However, in addition to these benefits, there are also some drawbacks. The main and most important one is the price: Installing batteries requires a significant initial outlay. The price depends on many factors, such as the technical characteristics, the amount of energy to be stored or the energy needs of the home. The price of batteries capable of meeting the requirements of a three-bedroom house in which three or four people live currently stands at about €7,000. It is estimated that the investment pays for itself in about ten years, in part because there are hardly any maintenance costs.

 

Another option: Virtual batteries

In addition to the options of only having a solar panel installation and completing this with a battery, there is a third option: Using virtual batteries. This alternative does not accumulate real energy, but takes into account the surplus energy produced and credits the corresponding value as a balance on your electricity bills. This is why they are called virtual batteries.

Virtual batteries can compensate up to 100% of surplus energy, so you can manage the production of your solar panels better, optimise consumption, get the most out of this renewable energy and above all, reduce electricity bills, which could be as little as €0.

 

The best solar tariff with a virtual battery

Endesa offers you a Simply Solar tariff with a virtual battery which enables you to maximise the performance of your photovoltaic solar panels by compensating the surpluses you generate with your self-consumption installation on your electricity bills at a very competitive price. All this without any activation or maintenance costs.

Comparison of Electricity and Gas Tariffs

You don't need to adapt to Endesa's tariffs because they adapt to you. If you go to our catalogue you can compare the different tariffs for yourself. Or if you prefer, you can answer a few questions and we will take care of comparing all the different electricity and gas tariffs and then make a customised recommendation.

Do you want to see all our offers?

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