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Merus Power builds electrical systems that clean up and stabilize power for factories and energy storage projects.
Merus Power makes the equipment that keeps electricity clean and steady for industrial customers and power projects. Factories increasingly run on sensitive electronics and heavy machines, and the power coming off the grid is not always smooth or reliable. Merus Power sells systems that fix that problem, mostly power quality equipment and energy storage.
The core product is what the industry calls active filters and reactive power compensation — devices that detect distortion or voltage problems in the electricity supply and cancel them out in real time. If you work in a factory where robots and drive systems keep tripping or overheating because the power is dirty, this is the fix. The company also delivers grid-connected battery storage systems, which let customers store cheap or excess power and release it when needed, smoothing out peaks and helping the grid stay balanced. Most of the money comes from selling these systems project by project to industrial and commercial customers and to power utilities, often alongside installation and service work. That is a lumpy way to earn a living. Each project is a chunk of revenue, and the timing of large orders moves quarterly results around, so a slower stretch for industrial investment shows up quickly in the numbers. Merus Power is small next to giant electrical equipment makers and competes on specialized know-how and the ability to tailor systems to a specific site. Energy storage is the growth story it is betting on: as more renewable power comes online and grids get more volatile, someone has to keep the electricity balanced, and that is the job these systems do.
The company is based in Finland and joined the Helsinki Stock Exchange's First North growth market in 2021, a listing meant for smaller growing firms. It is a reminder that the global shift toward electrification cuts both ways — it creates demand for exactly this kind of hardware, but it also draws in bigger, better-funded competitors chasing the same storage boom.
Saved answer · last researched 15 Nov 2026