About Solarstone

Transforming buildings into modern PV plants by challenging traditional building concepts.

Our mission

To promote sustainable living and resource-efficient construction practices.

Solarstone is driven by the main elements in the construction and architecture world: firmness, commodity, delight. We believe that small scale PV installations play a key role in the future of housing and in transition to renewable energy. Locally produced and consumed energy is the most viable and sustainable way to combat climate and energy challenges.

Why solarstone?

What makes us stand out

Roof that pays your energy bills

Did you know that building-integrated photovoltaics (or BIPV) is the only building material that has a return on investment? With Solarstone’s solar roof, you will not only earn back the initial investment but will also earn an extra income. It is a smart choice for all homeowners who want to make solar energy a part of their daily lives.

Largest BIPV-panel assembly factory in EU

Solarstone is here to change the roofing landscape by facilitating both re-roofing and new-build segments. Opened in 2023, the factory has the capacity to assemble up to 13,000 integrated solar panels per month. Annually, this can supply 6,000 homes with a 10 kW solar roof installation.

Savings

Imagine not having to worry about fluctuations in energy prices or having to budget for unexpected energy costs. With solar, this future becomes a reality. You can significantly reduce your monthly electricity bills by generating electricity at home and accumulate significant savings over time.

Best in class

Solarstone products are transforming the concept of rooftop solar for new-builds and renovation projects. We use top-tier solar modules that are efficient and last for decades. Our patented and awarded Click-on™ technology gives you a 2-in-1 solar roof that will leave you happy, guaranteed!

Aesthetics

Solarstone’s solar panels integrate seamlessly with all types of conventional roofing materials. You may not even notice the difference as the panels are invisible to the naked eye! Get yourself solar panels that are aesthetically so pleasing that they tie your home into an architectural whole.

A Solarstone story

A project manager, engineer, and a roofer look at a house

Solarstone was founded in early 2015 by a group of friends who were facing technical challenges while working on various real estate projects. Back then the energy crisis and sustainability challenges were not yet making any headlines. Only a few were anticipating the green transition to become a real thing. Our idea was to create durable and smart roofing systems that would also alleviate dependence from the energy grid.

While concrete and clay tile roofing systems were known for their durability in contrasting climates and solar technology was becoming more available and commonplace, it still did not offer a wide choice of rooftop applications.

We embarked on a journey with a goal to develop an all-round PV module compatible with a variety of roof tiles seamlessly matching contemporary architecture. Beauty and functionality became one. Solar Tiled Roof was born.

By early 2024, we’ve grown to 50 people and secured a foothold in 10 markets. Our portfolio has grown and our universal BIPV solutions are making a difference in the building industry. Our patented and award-winning Solar Full Roof technology unlocks possibilities unimaginable before with unlimited domestic and commercial applications.

2015

Solarstone is born.

2019

Combined total output of 1,7 MW on 180 projects.

Represented in 7 countries.

Excited to onboard 1st strategic investor Sunly.

2021

Solarstone 500 solar roofs erected across 8 European countries.

Total installed output tops 4.5 MW.

2022

800 neat solar roofs installed.

Successful closing of Series A financing round.

2023

Solarstone opens largest factory for BIPV panels

+33% revenue growth compared with last year

1000th Solarstone’s roof

Our purpose

Solarstone is a proptech company with an impact. We provide solar solutions people actually need by replacing old roofing concepts with sustainable and cost-effective multi-purpose technology so we all can become energy prosumers.

Solarstone is The Solar Roof Company.

Leadership

Company structure

Shareholders

Biofuel

Biofuel OÜ focuses on environmentally friendly wood refining and sustainable forestry, emphasizing sustainable energy management and production.

Sunly Innovation

Sunly Innovation OÜ invests in startup companies engaged in electrification.

Key people

Romet Roosalu
Chief Executive Officer
Board Member
Andres Zoober
Chief Financial Officer
Toomas Kresla
Chief Manufacturing Officer

Board of supervisors

Rasmus Udde
Chairman of the supervisory board
Andreas Laane
Member of the supervisory board
Mattis Jürimäe
Member of the supervisory board
Here to help

Got some questions?

Don’t worry, we can answer all your questions – like whether Santa Clause can still safely climb on top of your roof – and more. You can consult our FAQ and if you’re still left wondering, feel free to contact us!

Solarstone

Org. no 12916046
VAT no EE101855882
+372 5631 6666
info@solarstone.com

Solarstone OÜ
Arkaadia aed 5
71003 Viljandi
Eesti / Estonia

Solarstone OÜ
Riia 26
50405 Tartu
Eesti / Estonia

Solarstone P17A
Puidu tn 17a
71020 Viljandi
Eesti / Estonia

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