+358 50 3258415 info@mexma.fi

Nuclear plant electrical works



Location: Olkiluoto, Finland

Customer: Teollisuuden Voima Oy (TVO)
Scope: 1 turnkey EPR™ unit
Net electrical output: 1,600 MWe
Thermal output: 4,300 MWth
Annual electrical generation: 13 TWh


OL3 – The new unit is being built at the western end of the Olkiluoto Island, Finland, next to the OL1 and OL2 units. OL3 will be equipped with an EPR type reactor (European Pressurized Water Reactor) and the net electrical output of the unit will be approximately 1,600 MW.

MEXMA OY, as subcontractor of Areva NP is responsible for finalization of erection and commissioning phase of Building Tech electrical systems on Nuclear and Turbine Island of the NPP Olkiluoto 3.


Our high skilled electrical teams performing above mentioned activities for systems:

Lighting and Installation system
Public Address and Alarm System
Fire Alarm System
Clock System
CCTV System
Intercom System
Physical Protection System