About Us

eWatt Smart Power Systems Oy

Leading the Way in Sustainable and Efficient Energy Solutions

eWatt Smart Power Systems Oy stands out in the sustainable energy sector with its innovative approach to heating services and electricity-regulating solutions. Prioritizing safety and efficiency, eWatt is dedicated to enhancing the way energy is used in various properties, from residential to commercial.

Commitment to Safety and Efficiency
eWatt’s core mission is to provide reliable and secure heating services. Our approach is centered around the safety of our systems and the efficiency of their energy use. This commitment is reflected in our innovative solutions that cater to a wide range of properties.

Vision for a Greener Future
eWatt is not just about providing services; it’s about shaping a sustainable future. Our vision extends to making intelligent electricity use accessible to everyone, aligning with the broader goals of the green transition.

Electricity Usage Optimization
Smart Electricity Use: Guiding electricity usage to times when supply is greater and prices are lower, eWatt plays a crucial role in promoting efficient energy consumption.
Supporting the Green Transition: By improving the availability of electricity and creating flexibility in response to electricity demand, eWatt actively contributes to the realization of a sustainable energy future.


eWatt Smart Power Systems Oy is a beacon of innovation in the sustainable energy sector, demonstrating how safety, efficiency, and a commitment to the green transition can coalesce to create impactful energy solutions. Our approach to automated heating services and intelligent electricity use is not just a business model; it’s a step towards a more sustainable and energy-efficient world.

The eWatt Team.

Timo Saarinen

CEO & Co-Founder
Timo is a visionary, sales professional, and experienced entrepreneur. Providing excellent customer experience and increasing the value proposition for the customer are fundamental principles guiding all of his actions.

Joosu Terhivuo

CTO & Co-Founder
Joosu is an experienced software professional and entrepreneur. He’s an analytical problem solver who enjoys creating business value with software, automation and AI.

Our Values


eWatt focuses on providing safe heating services and electricity regulation solutions, ensuring the safety of their systems in all operations.


The company strives for efficient energy use, utilizing automation technology in heating management and optimizing electricity usage.

Green Transition

eWatt supports the green transition by promoting smart and eco-friendly electricity usage, aligning better with the supply and demand of renewable energy.


Committed to innovation, the company develops advanced technologies and solutions that enhance energy management and customer experience.