As electricity prices continue to soar in France - up 60% in four years - more people are turning towards solar panel kits, which promise to help users save on energy costs and installation prices. Contact online >>
As electricity prices continue to soar in France - up 60% in four years - more people are turning towards solar panel kits, which promise to help users save on energy costs and installation prices.
The estimated extra cost of electricity in 2024, compared to 2020, is €540 per household per year. Combined with rising inflation, and increased fuel and food costs, this has prompted some to make the switch to solar energy.
Put simply, this involves installing solar panels (panneaux photovoltaïques in French) onto the roof of your house, so you can produce and use your own electricity instead of buying it from the national grid suppliers.
However, these can be expensive to install (up to €4,000 or more), and it can take years for this investment to ''pay off'' in comparison to energy costs.
The cost burden has risen even more since 2021, when the financial aid le crédit d''impôt pour la transition énergétique (Cite) credit system was replaced by Ma Prime Rénov'', which does not help pay for solar panel installation.
As a result, over the past three years, a new type of panel kit has come onto the market. These so-called ''plug-and-play'' systems - which mean they come pre-assembled and ready to install and plug in easily at home - cost around €600-800 each; significantly less than a typical installation.
Manufacturers say that the panels can be easily fixed to a normal house roof in minutes, without the help of a professional, and that the panels can then simply be plugged into a standard outdoor socket.
Instructions usually say that it is best to weigh the panels down to ensure they can withstand wind and inclement weather, and to tilt them at 15-20 degrees in summer, and at 35-45 in winter.
''Watt-peak'' is the unit that corresponds to the maximum output that a solar panel can deliver in typical sunshine conditions.
Not normally. As long as your installation produces an output of less than 3 kWp (the typical output of up to seven plug-and-play panels), you do not need Mairie planning permission. Instead, you will need to submit a free connection request online to your grid operator, usually Enedis.
It is always best to check with the Mairie if you are making significant changes to the appearance of the outside of your property, but usually these kinds of solar panels do not need special permission.
Manufacturers claim that just one plug-and-play panel can save you €100 to €150 a year on electricity. On average, one panel can save homeowners around 17% a year on their bill (excluding heating). This means that the panels will pay for themselves in six years or less, and save you €2,000 to €4,000 on installation.
New-generation plug-and-play solar panels have an average power output of around 400 watt-peak* (Wp) each, which is close to a standard photovoltaic module with a power output of between 375 and 500 Wp.
The amount saved does of course depend on how much you are paying for electricity now, and how much sunshine your solar panels are able to use.
This depends significantly on location; for example, in one year, an average solar panel will produce more electricity in Marseille (620 kWh) than in Paris (430 kWh).
This is not enough to - for example - power a fridge for 24 hours a day, but users can make the most of the power produced by using high-energy appliances at peak times. This might mean using the dishwasher and washing machine during the midday sunshine peak.
In contrast; amid the rising popularity, homeowners have been warned to be alert to increased scams and ''too good to be true'' deals.
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Solar panel installations are increasing in France with the last year seeing over 200,000 installations across the country as prices fell.
This includes installations from both professionals and from DIY kits, which allow homeowners to set up the panels by themselves.
Some 40% of all solar panels are installed using DIY kits as opposed to via a professional electrician.
Whilst self-installation kits may be significantly cheaper, they do come with restrictions.
Note this article reviews photovoltaic solar panels (those that produce electricity from sunlight) which are the most popular panels to be installed, and not solar thermal panels, which produce heat.
Solar thermal panels are usually used in combined solar systems, or to produce hot water for a property.
Self-installation kits generally follow the same rules as those installed by a professional.
There is usually no need to apply for a building permit (permis de construire), except in certain circumstances.
If you want to put panels on your roof (or on the ground at a height equal or greater to 1.8 metres) you need to notify the local mairie and announce the work through a déclaration préalable de travaux (DP).
A DP notification can be undertaken either online or via letter sent with recorded delivery (lettre recommandée avec accusé de réception).
You should also consult the local urban plan (plan local d''urbanisme or PLU) for your commune to check if there are restrictions on the size or number of panels that can be installed.
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