The price drop was driven by an unexpected glut of renewable energy and Finns cutting back on energy use because of the crisis caused by Russia's invasion of Ukraine.
Because hydropower cannot be slowed down or turned off, other producers like nuclear are looking to dial back their production to avoid losing money on energy production.
Olkiluto 3 cost $17BN AUS and building it ran 13 years behind schedule. Nearly 20 years to build.
