Ampner Oy

Ampner Oy is Finnish industrial services company offering products and services for connecting energy sources to the grid.

Testcom Oy, subsidiary of Ampner, delivers industrial testing and quality control systems for power and automation sectors.

Why Ampner?

Technology Expertize

We have wide and deep knowledge on different power system solutions in renewable energy production.


Our senior staff have experience in renewable power systems over 15 years. We have developed power conversion technology before it came mainstream in renewables.

The Way of Working

Our tools and working methods are top of the line. We seamlessly integrate design, studies and testing in our work packages.


We are independent from OEMs, component and solution vendors.