2023-08-28 07:17:00
The municipalities of Walloon Brabant are more and more affected by inverter stalls, particularly during the sunny months, as was the case at the beginning of the summer for the municipalities of Braine-le-Château and Ittre, but they are far from the only ones.
“The problems with photovoltaic panels in Wallonia will only get worse”
Household batteries? Not a solution, according to Henry
In his response, Minister Henry stressed the urgency of solving this problem by working closely with the distribution network managers (GRD, for example, ORES for more than 75% of Walloon municipalities). Several solutions have been considered, such as modifying the studs, reducing the starting voltage and balancing between phases, in order to respond to specific cases.
In addition, the Minister mentions having requested a proposal for an order from the CWaPE, so that compensation is paid to the prosumer by the DSO in the event of failures not resolved quickly, thus encouraging the DSOs to intervene effectively.
As for the use of domestic batteries, the Minister indicates that he is not in favor of the establishment of a specific premium concerning them: “Batteries are not a miracle solution and, more often than not, will not prevent not stalls.” And to remember that he has set up “home automation” bonuses to automate the movement of electrical loads to periods of abundant electricity. “In this dynamic, domestic batteries can have a role to play, profitably, even without bonuses.”
“In reality, unhooking the inverters makes it possible to avoid overvoltages on the network, which would affect the quality of the electricity supplied, recalls the Walloon minister. But it is not up to the citizen to ensure the stability of the network at his expense. “It is therefore the role of the DSO to adapt its network to meet the needs, as written in the electricity decree. It is therefore the responsibility of the DSO, not mine, to avoid stalls.”
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