Oskarshamn nuclear power plant - OKG (to the startpage)
No cookies are used on this page other than those necessary for the page's function. Basic analysis of our visitors is carried out in order to improve the page's content. This is done without setting cookies or identifying any visitor. You can always change your choice by clicking on the "Consent Settings" link at the bottom of the page. I refuse I approve

A unique energy center for the society's welfare

O3 is one of the world's largest boiling water reactors with a maximum power of 1450 MW. Production figures for 2024:
500 000
Electricity heated households per year
89,8 %
Availability of facilities
7 %
Of Sweden's electricity production
10.8 TWh
Electricity produced in 2024

News and Press releases

Being a CEO at OKG

"My leadership style is based on the inverted pyramid, where the team is the important thing, which performs all the activities that the business and the whole need. It creates responsibility and commitment. Listen to the OKG podcast on Spotify to hear more about my approach to leadership!"

We are OKG

Become a friend of OKG

What is hydrogen? How does the electricity market work? What do you really know about uranium? What's happening at OKG can be found on our accounts on Instagram, LinkedIn, Spotify and Facebook. Pictures, movies, job offers, knowledge, podcasts and music lists. Join us to keep up!

Follow us here!

Simpevarp - a short history lesson

From Stone Age graves to fishing, agriculture and nuclear power. Simpevarp has had a variety of activities over the years. Now OKG is building the future here.

A brilliant story

Five quick questions on nuclear power

Did you know that a pilot is exposed to a higher radiation dose than a nuclear power plant worker?

Find out more in our knowledge bank

How does nuclear power in Sweden compare to other countries?

There are six nuclear power reactors in operation in Sweden. There are over 400 nuclear power plants in the world, most of which are located in the USA, France and China.

What is fourth generation nuclear power?

Fourth-generation nuclear power, or Generation IV, is under development. Generation IV essentially involves using existing nuclear waste as fuel and making reactors smaller and easier to connect to electricity grids.

How much of Sweden's energy comes from nuclear power?

In 2022, nuclear power accounted for 29% of our total electricity generation. Here is the list, in descending order:

  • hydropower 41%
  • nuclear power 29%
  • wind power 20%
  • conventional thermal power 9% and solar power 1%

Is nuclear power a sustainable energy source?

Nuclear power meets the Brundtland Report's requirements for sustainable development and is also a plannable energy source, which is needed. Globally, nuclear power saves the climate from two billion tons of carbon dioxide per year. This is 40 times Sweden's total annual carbon dioxide emissions.

Who controls nuclear power in Sweden?

The Swedish Radiation Safety Authority is responsible for regulations and supervision. Check out www.stralsakerhetsmyndigheten.se for more info.