Ampner Oy

Ampner Oy – Power Engineering & DC Power Solutions for a Renewable Future Ampner is a Finnish technology company specialized in connecting renewable energy and energy storage systems to the grid. Our core expertise is in Power Engineering – we provide high-quality services in grid code compliance, power system studies, and electrical design for utility-scale solar, wind, hydro and battery storage projects. We also offer a portable high-voltage DC power supply, designed for demanding use in commissioning, testing and diagnostics – both in the field and in lab environments. With over 10 GW of engineering experience and deep understanding of evolving grid requirements, we support our clients in building the energy systems of tomorrow – efficiently, safely and sustainably. Let's power the future – together.