Solar Companies in Harju County, Estonia

Solar Directory currently lists 8+ verified solar companies operating in Harju County, Estonia — including installers, manufacturers, EPC contractors and distributors.

Solar installation cost in Harju County typically ranges €1,200–€2,500 per kWp installed depending on system size, roof complexity and equipment brand. Get 3 quotes for a fair comparison.

Listings include both verified and unverified profiles. Verified companies have completed Solar Directory's identity and credentials check. Use the 'Verified' filter on this page to see only verified providers in Harju County.

Solar incentives vary by region and change frequently. Confirm current national and regional programmes with a local installer when requesting quotes — many handle paperwork on the customer's behalf.

Open any company profile on this page and click 'Request Quote' to share your project details (roof type, energy bill, location). Most installers respond within 1-3 business days. We recommend requesting quotes from at least three companies before deciding.

Local installers usually offer better site knowledge, faster service calls and shorter project timelines. National companies bring scale, broader equipment options and standardised processes. For most residential and small commercial projects, a well-reviewed regional installer offers the best balance.