Metering
Dual-flow meter
A meter that measures electricity drawn from the grid and electricity injected separately. Mandatory in Wallonia for any solar installation commissioned from 1 January 2024, it makes compensation impossible and is the precondition for selling the surplus at the injection tariff.
Also known as: bidirectional meter, two-way meter
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Solar panels: profitability and surplus — Decide whether to install based on your situation, then choose what to do with the electricity you do not use.