Solarstone OÜ

About

Founded in 2015, Solarstone OÜ is a private headquartered in Tallinn, Estonia with approximately 50-200 employees specializing in Solar.

Solarstone is a proptech company specializing in building-integrated photovoltaic solutions that combine energy generation with architectural aesthetics. Founded in 2015, the company develops and manufactures BIPV products including Solar Full Roof (integrated solar panels with roof integration), Solar Tiled Roof (solar tiles compatible with traditional roofing materials), and Solar Carport (solar canopies with EV charging capability). The company operates a manufacturing facility with capacity to assemble up to 13,000 integrated solar panels monthly, supplying approximately 6,000 homes annually with 10 kW installations. Solarstone has installed over 1,000 solar roofs across 8 European countries with a combined output exceeding 4.5 MW. The company emphasizes seamless architectural integration, durability (25+ year lifespan), and return on investment through energy cost savings. Products feature patented Click-On technology and are compatible with common roofing materials. Solarstone is backed by Biofuel OÜ, the investment company of Estonian entrepreneur Raul Kirjanen, and has completed a Series A financing round with strategic investor Sunly.

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