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Historical 500-terawatt hour milestone in electricity production reached in Olkiluoto
23.4.2019
Olkiluoto nuclear power plant of Teollisuuden Voima reached a historical 500-terawatt hour milestone in electricity production at 8:50 pm on 21 April.
This production volume has made it possible to avoid in Finnish energy production 400 million tons of carbon dioxide emissions into the atmosphere compared with the production of the same amount of electricity in, for example, coal fired plants. The amount equals 35 times to CO2 emissions caused by road traffic in Finland annually.
As electricity consumption in Finland is 87 terawatt hours (TWh) per year at present, the 500 TWh production volume would cover total domestic consumption over a period of almost six years. Annual production has in Olkiluoto been about 14 terawatt hours. The first plant unit in Olkiluoto, OL1, was connected to the national grid in September 1978. Electricity production started at the second plant unit OL2 in February 1980.
The plant units in Olkiluoto are internationally acclaimed for their high load factors as well as for carefully planned and assiduously executed annual outages.
- The OL1 and OL2 plant units are in a condition as production plants, following the major annual outage projects carried out last summer and the summer before. Last autumn, both plant units were granted an extension of service life up till the year 2038. We have in-depth knowledge of the plant units and their performance, and plant systems are being continually replaced and modernised, explains Marjo Mustonen, SVP Electricity Production.
- The extension of service life was welcomed also from the viewpoint of climate-friendly electricity production and Finnish self-sufficiency. The plant units which were originally built for 660-megawatt electricity production now have a rated output of 890 megawatts. Last year the OL1 and OL2 plant units produced one sixth of the electricity demand in Finland. After the completion of the OL3 plant unit, the electricity produced in Olkiluoto will account for ca. 30%. Nuclear electricity is not dependent on the weather. Together with renewable sources, nuclear power plays a crucial role in the fight against climate change.
For more information, please contact:
Marjo Mustonen, Senior Vice President, Electricity Production, tel. +358 2 8381 2100
and Pasi Tuohimaa, Communications Manager, tel. +358 40 544 5001.