Where is Solarstone based?

Solarstone’s factory in Viljandi is located on an area of 1,200 sqm, where anyone can pay a visit (with prior notice) and get acquainted with the product range. „With today’s setup, we can produce 20,000 tile interlocking solar modules per year, resulting in approximately 715 design solar roofs and 25,000 Click-on kits.

What is a solar roof system?

The Solar Roof system consists of standard PV panels fitted with Click-on technology and aluminum composite panels (ACPs). “Its size is variable and is suitable for residential projects, carports, and facades,” the company's CEO said, noting that the panels can be installed in either a landscape or portrait configuration.

Can solar panels on roofs be aesthetic?

Solar panels on the roofs can be aesthetic to look at for the naked eye – three guys, the founders of Estonian CleanTech startup Solarstone, figured out how this can be done.

What are building-integrated photovoltaics (BIPV)?

These materials are called building-integrated photovoltaics (BIPV). Unlike traditional solar panels, Solarstone products do not need a conventional roof underneath. Seven years later, Solarstone’s production has grown from tailor-made roofs to mass production of about a thousand roofs per year.

Why did Solarstone start in Viljandi?

„All three Solarstone founders were either living in Viljandi or had a very close relation to this town, hence the decision was born to also kickstart the business in here and build lasting roofing systems that look pleasant to the naked eye,” Silver Aednik, company’s managing director and co-founder says.

What is the maximum voltage for a solar roof system?

The maximum system voltage for both products is 600 V. The Solar Roof system consists of standard PV panels fitted with Click-on technology and aluminum composite panels (ACPs).