History Header

HistoriakuvaThe founder of Wello Oy, Heikki Paakkinen, started developing wave energy devices and technology as a hobby already as a young boy. He used to build model boats at his family’s summer cottage, trying to figure out how they could propel themselves. He developed and built several concepts for wave propulsion and later for energy production. During this testing period Heikki was hit with and apophony, that if a device has a proper shape the mass inside the device should rotate. He has gone through and tested practically all technologies that nowadays are being developed for wave energy exploitation.


Based on this background he developed his own principles and requirements for a good wave energy converter. These are:

    • Rotational movement derived directly from wave motion.
    • Motion by hull shape, not by mechanisms.
    • Components inside hull.
    • No moving parts in contact with water.
    • Utilization of accelerations instead of direct mechanical forces.
    • Invention based on asymmetric hull and vertical axis patent application

In 2008, Wello Oy was established. The inspiration for the name of the company came from similarities to the German word for wave ‘welle’ and the English ‘swell’.

The company expanded slowly when new partners joined and the determined goal was to develop the device into a product with the aid of various subsidies. There are currently twelve employees in the company and the prototypes are tested by the rugged coast in Scotland and in Finland in its capital area.

Heikki’s environmental ideology laid base for his development work: he wanted to develop a device producing clean energy without harming the environment. The power of wind is stored in waves and converted into energy by the Penguin, Wello’s wave energy converter, securing clean constant energy production.







Invention based on asymmetric hull and vertical axis patent application 


 Wello was founded 


 Wello became initial capital funding Testing in small scale in sea and in wave tank 


Testing in mid-scale 1:8. Survivability development

Technology development and tank testing.

Design of full-scale prototype.


 Full scale wave energy converter, the Penguin, construction completed. 


Penguin deployed and grid connected at EMEC site in Orkney.

Penguin generated to grid.

Penguin survived 12 m waves.


Penguin deployed in Orkney

Technology proven

Half a year test period. All major components remain intact


Co-operation with Scandinavian utility Fortum begins

Fortum becomes shareholder in Wello 


Technology development

Advanced control system

Hulls variations


 Mid-scale testing in Gran Canary. New mooring concept.

Penguin scale 1:5 survived 100-year waves three times 


Penguin deployed in winter is Scotland.

New mooring geometry.

Penguin survived several storms, waves up to Hs 8m,

Hmax 14m






| Photos


| Contact

Wello Oy

Wello Oy

Kurjenkellontie 5 B
FI-02270 Espoo

+358 9 888 4881   

This email address is being protected from spambots. You need JavaScript enabled to view it.