What you can get for a solar installation or a ventilation system, country by country. We check this information regularly; the exact conditions depend on your situation and on the rules in force when the work is done.
Belgium
Flanders — My Renovation Subsidy and My Renovation Loan
Photovoltaic
No more subsidies for photovoltaic panels or domestic battery storage (Fluvius scheme closed end of 2024).
6% VAT on installation for a building over 10 years old.
Mijn VerbouwLening: interest-free loan up to € 60,000 for energy works, panels and battery included, depending on income.
Digital meter and feed-in tariff: injected electricity is paid by your supplier, direct self-consumption remains the best return.
Ventilation
Mijn VerbouwPremie covers mechanical ventilation (C+ or D system with heat recovery): 20% to 50% of the invoice depending on income category, with a ceiling per category.
Conditions: building connected before 2006, work carried out and invoiced by a contractor, invoice of at least € 1,000 excl. VAT, application within two years after invoice date.
As of 1 March 2026, the highest income categories are only eligible for heat pump subsidy; check your category before starting.
The Renolution subsidies are suspended in 2026; an interest-free loan is announced for 2027, with no confirmed terms to date.
6% VAT on work for a building over 10 years old.
Photovoltaic: no subsidy, but self-consumption and injection tariff remain advantageous; Brussels green certificates are granted for 10 years to new installations certified by Brugel.
0 % VAT on the supply and installation of solar panels on or near a residential property.
Net Metering Scheme : 2026 is the last year of full compensation; from January 1st, 2027, electricity fed back to the grid will be paid at your supplier's feed-in tariff. Self-consumption (battery, load management) becomes decisive.
No ISDE subsidy for panels.
Ventilation
ISDE : from 2026, a one-time subsidy of 400 € for sustainable ventilation (heat recovery), provided it is combined with an insulation measure completed within 24 months.
Application with RVO after the work is completed, with invoice and proof of payment.
Energy Savings Loan : from 1,000 to 28,000 €, at 0 % for low incomes.
France — VAT 5.5%, feed-in tariff and MaPrimeRénov'
Photovoltaic
VAT 5.5 % since 1 October 2025 for a residential installation up to 9 kWc, provided that energy management (EMS) is integrated. The battery remains at 20 %.
The self-consumption bonus is abolished for applications submitted from June 2026 ; files validated beforehand remain paid.
The surplus fed back is purchased for 20 years by EDF OA at a rate set quarterly by the CRE (in the region of 1 c€/kWh in 2026) : self-consumption takes priority.
Enedis connection and Consuel certificate are mandatory.
Ventilation
MaPrimeRénov' for a double-flow heat recovery ventilation: up to €2,500 (very modest households), €2,000 (modest), €1,500 (intermediate) ; not eligible for higher incomes.
2026 condition: double-flow ventilation must be accompanied by at least one insulation measure.
CEE (energy premiums) cumulative, and VAT 5.5 % on energy renovation work in a home over 2 years old.
0 % VAT (Zero tax rate) on delivery and installation of a residential photovoltaic system, battery included — permanent measure.
Einspeisevergütung (EEG) for a system up to 10 kWp: approximately 7.8 ct/kWh for partial feed-in and 12.4 ct/kWh for full feed-in (2026 values, degressive every six months), guaranteed 20 years.
Registration in the Marktstammdatenregister mandatory; tax-exempt income up to 30 kWp.
KfW 270: loan at preferential rates for photovoltaics and storage.
Ventilation
BEG Einzelmaßnahmen (BAFA): 15 % subsidy on eligible costs for ventilation with heat recovery, up to 20 % with an individual renovation plan (iSFP-Bonus).
Application before signing the work contract, execution by a specialized company.
