Flemish subsidy on solar panels: how does it work actually?

A new subsidy for consumers will be introduced from 1 January 2021. Anyone installing new solar panels with an inverter capacity of less than or equal to 10 kilovolt amperes after that date can claim the investment premium. If you commission an installation between now and the end of the year, you can still opt for the reversing electricity meter.


This is how the investment premium works 

  • Duration: from 2021 to the end of 2024.
  • The amount of the premium is adjusted each year to meet the decreasing investment costs.
  • The premium is limited to 40% of the investment costs stated on the invoices.
  • The solar panels must be installed by a contractor at an existing home or new-build home with a planning application dated after 31 December 2013.
  • Only 1 premium for a PV installation can be awarded per home or residential unit, provided that no other PV installation has been installed beforehand.
  • The installed solar panels must be registered with the distribution network operator no later than 2 months after commissioning in order to benefit from the premium.


The figures

Kilowatt peak = kWp

Calendar year0 to 4 kilowatt peak4 to 6 kilowatt peakMaximum premium
2021€300/kWpAdditional €150/kWp (4 to 6 kWp)€1500
2022€225/kWpAdditional €112.50/kWp (4 to 6 kWp)€1125
2023€150/kilowatt peakAdditional €75/kWp (4 to 6 kWp)€750
2024€75/kilowatt peakAdditional €37.50/kWp (4 to 6 kWp)€375

The Flemish government has stated in the official documentation that the subsidy will be paid per kilowatt peak and therefore not on the basis of inverter power; the unit used by the Flemish Energy Agency in its statistics on the amount of installed PV power.

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