Solar Companies in Belgium

Solar Directory currently lists 143+ verified solar companies in Belgium, ranging from local installers to manufacturers and engineering firms.

Residential solar in Belgium typically costs around €1600 per kW installed (excluding battery storage). A 6 kW system therefore averages €9,600 before subsidies. Commercial systems benefit from economies of scale and can be 20-40% cheaper per kW.

Active support schemes in Belgium include: Flanders prosumer fee reform, Wallonia Qualiwatt, Brussels solar prime. Eligibility and application windows change frequently — confirm with your installer before signing a contract.

Typical residential installations take 1-3 days on-site once permits and equipment are ready. Including permitting, grid connection approval, and equipment lead times, the full project timeline is usually 6-12 weeks. Commercial and utility-scale projects take significantly longer due to land use, environmental, and grid impact assessments.

Local installers in Belgium typically offer faster response times, better familiarity with regional permitting, and stronger after-sales support. National companies may offer scale advantages, broader equipment options, and standardized warranty terms. For most residential and small commercial projects, verified local installers deliver the best overall value.

Check for: (1) business registration in their stated country, (2) accreditation from local certification bodies, (3) at least 3 verifiable customer references, (4) clear warranty terms, and (5) appropriate insurance coverage. Solar Directory profiles include verification status as a starting point.