Nous parlons souvent de panneaux solaires, et d’énergies renouvelables… Installer une centrale solaire peut représenter a gros budget que tout le monde ne peut permettre… Mais, si l’on est un peu bricoleur, fabricar sa propre centrale peut être un vrai good plan. audren vanzalk, a neighbor of Lot, confides his experience to the Energy Revolution website, explaining how, in just a few days, he built his own photovoltaic power plant that will cover more than half of his electricity needs. A retrospective look at this experience that could give ideas to those who are looking for a solution to reduce their electricity bill.
How did you build your solar power plant?
audrey works in construction and still has some knowledge to carry out its installation. His work took him two weekends in total, the first was dedicated to the construction of the wooden structure and the second to that of the solar panels. chose to install 8 panels of 400 Wp, which therefore deliver a power of 3.2 kWp, slowed down by the 3 kWp inverter regulated by Enedis. His panels were installed on a wooden structure that he also built himself. And this is obviously to deal with future energy price increases, expected in 2024. when the tariff shield will have disappeared, who decided to take on this little challenge.
How much did it cost you?
Before placing an order, he had to do a lot of research on the technical regulations specific to photovoltaics; it was not just a matter of making his power plant, but of using it… The young man then bought the panels, the inverter and the AC/DC boxes, at a cost of about €2,200, and added the wood, electricity, wires and screws. for a total cost of €2,700. Therefore, he considers its cost price at €844/kWp when installation by a professional costs between €1,500 and €3,000/kWp. The economy is just amazing, right?
audrey has chosen to re-inject what it does not consume into the public grid free of charge, which has saved it from sometimes lengthy administrative procedures, since in order to be paid for the re-injected electricity, must have the approval of the Consuel and respect very strict conditions. He then chose a household battery to store his energy and use it for his needs, including to power the battery of your electric car Renault Zoé 22 kWh for which it uses all the surplus energy from its photovoltaic plant. For now, audrey manually takes care of the load shedding, but soon you should be able to automate it. In the meantime, everything works perfectly!
An orientation that you chose according to your needs…
We have already explained it to you, solar panels should generally be facing south. audrey, chose to orient them towards the South-West because their energy needs are greater in the afternoon; a way to optimize your production according to your needs. he so waits generate 3,200 kWh of electricity per year and to be able to fully fuel his Renault Zoé, which consumes 2,000 a year.
— ObjectifZeroCarbone (or almost…) (@ObjectifZero) July 25, 2022
The remaining 1,200 kWh will cover half of your annual domestic consumption. So he could realize an annual saving of €1,200 in electricity and pay off your photovoltaic plant in less than 3 years… Isn’t life beautiful? More information : ObjectifZeroCarbone (or almost…) / Twitter. Do not hesitate to consult his Youtube channel, audrey shares many very interesting tips.
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