2023-07-22 17:51:00
With the summer weather, the photovoltaic panels produce electricity which also charges the domestic batteries.
Whether electric or thermal, more and more Belgians are opting for this type of energy storage. From 2024, the legislation will also be more advantageous in Wallonia.
Alain’s house is powered by 42 photovoltaic panels which are all connected to this 10 Kilo Watts/hour battery, installed a month ago. The will of Alain, who put the price on it: to gain energy autonomy.
“A battery is 9,500 euros, the amortization will be between 59 and 61 months“, he explains. Thanks to the sun of the last few days, his domestic battery supplies the pumps of his pond and his household consumption in sufficient quantities. “It is necessary to reinforce the cables as soon as possible so as to have a better distribution so that everyone can benefit from it.“, he notes.
As of January 1, 2024, Wallonia will tax the electricity produced by individuals and discharged into the network. As a result, battery demands are on the rise.
“We have a lot of requests for information, there is a real interest. For me, it is even a civic duty to strive for the best possible autonomy.“, explains Aurélien Focan, installer of photovoltaic panels and batteries.
And the market is constantly evolving: refurbished, these 4 to 8x more powerful electric car batteries will become domestic energy providers. Connecting to the vehicle offers more flexibility. “These batteries can effectively store energy for homes. We could call it smart homes, where we take the energy from these batteries to be able to accumulate for the houses“, explains Dominique Köttgen, lecturer in sustainable energy engineering at the Gramme Institute in Liège.
This Walloon start-up is developing a thermal battery that is unique in the world, produced without heavy metals. Its function: to transform electricity and store it in the form of heat.
The transition is underway: as in Flanders, a subsidy for the installation of a domestic battery could also see the light of day here in the coming years.
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