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Belgium · Province de Liège

Solar panels in Spa

Estimate your solar output in Spa from local irradiance (1050 kWh/m²/year) and compare quotes from certified installers. Free, no obligation.

Why install solar panels in Spa?

1050 kWh/m²/years
Average solar irradiance — Belgium

Specific subsidies and incentives for your area to significantly reduce your initial investment.

Any surplus you do not consume is fed into the grid, according to the scheme in force in your region.

Optimal sun exposure in your municipality for maximum photovoltaic production all year round.

Instant solar calculator

Subsidies and incentives in Spa

Regional support: check what applies to your municipality

The prosumer tariff is a network cost, not a subsidy: it has been charged to producers since 1 October 2020 and lengthens payback. The reverse-running meter only remains for installations fitted before 31/12/2023.

Photovoltaics is explicitly excluded from Walloon Habitation grants. It can still be financed through a zero-interest loan (Renopack / Renoprêt) via the SWCS or the Fonds du Logement de Wallonie.

Solar energy in numbers in Spa

1050
kWh/m² per year average solar irradiance
Source: PVGIS — European Commission (JRC)
254
RESCert-certified professionals (photovoltaic) in Province de Liège
Own count based on the RESCert register · 2026-08-20 verify

Frequently asked questions about solar in Spa

Calculate your solar savings in 60 seconds