| Date | Title | Description |
| 02.04.2026 | Two plant units to undergo annual outages at Olkiluoto this spring | Two plant units to undergo annual outages at Olkiluoto this spring
Thu, Apr 02, 2026 09:01 CET Report this content
Electricity production at the Olkiluoto 2 plant unit (OL2) will be shut down for a refuelling outage on Monday, 6 April. Foll... |
| 27.03.2026 | A new member join Teollisuuden Voima Oyj's Board of Directors | A new member join Teollisuuden Voima Oyj's Board of Directors
Fri, Mar 27, 2026 14:41 CET Report this content
The resolutions passed in the Annual General Meeting of Teollisuuden Voima Oyj (TVO) on 27 March 2026 included the confirmation of... |
| 26.02.2026 | Teollisuuden Voima Oyj’s Annual Report for 2025 has been published | Teollisuuden Voima Oyj’s Annual Report for 2025 has been published
Thu, Feb 26, 2026 17:00 CET Report this content
The Annual Report includes the Report of the Board of Directors (including the Sustainability Report and the Corporate Govern... |
| 05.01.2026 | Olkiluoto produced about a quarter of Finnish electricity in 2025 | Olkiluoto produced about a quarter of Finnish electricity in 2025
Mon, Jan 05, 2026 12:20 CET Report this content
In 2025, a total of 23.41 TWh of electricity was produced at the Olkiluoto nuclear power plant. This equals about a quarter of... |
| 10.12.2025 | New member in Board of Directors of Teollisuuden Voima Oyj | New member in Board of Directors of Teollisuuden Voima Oyj
Wed, Dec 10, 2025 12:11 CET Report this content
M.Soc.Sc. Wilhelm Wolff was chosen as a new member in Board of Directors of TVO on 10 December 2025.
Wilhelm Wolff works as the Execu... |
| 07.11.2025 | Market Court issued a decision on the cost determination principles for the grid protection system connected to Olkiluoto 3 production | Market Court issued a decision on the cost determination principles for the grid protection system connected to Olkiluoto 3 production
Fri, Nov 07, 2025 14:44 CET Report this content
The Market Court today issued its decision on the appeals... |
| 30.10.2025 | Teollisuuden Voima Oyj and the European Investment Bank agree on financing the Olkiluoto investment project | Teollisuuden Voima Oyj and the European Investment Bank agree on financing the Olkiluoto investment project
Thu, Oct 30, 2025 09:01 CET Report this content
Teollisuuden Voima Oyj (TVO) and The European Investment Bank (EIB) have signed a ne... |
| 17.10.2025 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 September 2025 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 September 2025
Fri, Oct 17, 2025 11:46 CET Report this content
During the first three quarters of 2025, Teollisuuden Voima’s (TVO) electricity generation at the Olkiluoto 1 (OL1), Olkiluo... |
| 18.09.2025 | Teollisuuden Voima Oyj issued a EUR 500 million EU Green bond | Teollisuuden Voima Oyj issued a EUR 500 million EU Green bond
Thu, Sep 18, 2025 14:00 CET Report this content
Teollisuuden Voima Oyj (TVO) has issued a EUR 500 million EU Green bond.
The 7.5-year EU Green Bond was issued under TVO's EMTN pr... |
| 12.09.2025 | Market Court issues decision on grid protection system linked with production at Olkiluoto 3 | Market Court issues decision on grid protection system linked with production at Olkiluoto 3
Fri, Sep 12, 2025 14:37 CET Report this content
The Finnish Market Court has today issued a decision on the appeals made by Teollisuuden Voima Oyj ... |
| 08.09.2025 | Teollisuuden Voima Oyj has priced a EUR 500 million EU Green bond | Teollisuuden Voima Oyj has priced a EUR 500 million EU Green bond
Mon, Sep 08, 2025 17:42 CET Report this content
Teollisuuden Voima Oyj (TVO) has priced a EUR 500 million EU Green bond and announced a tender offer for its Eurobonds maturin... |
| 05.09.2025 | The European Green Bond Factsheet has been published | The European Green Bond Factsheet has been published
Fri, Sep 05, 2025 13:16 CET Report this content
As part of its Green Financing program, Teollisuuden Voima Oyj (TVO) has published its first European Green Bond Standard aligned Factsheet... |
| 18.07.2025 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 June 2025 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 June 2025
Fri, Jul 18, 2025 08:15 CET Report this content
During the first half of 2025, Teollisuuden Voima Oyj’s (TVO) electricity generation at the Olkiluoto 1 (OL1), Olkiluoto 2 (OL2) ... |
| 24.06.2025 | Annual outages completed in Olkiluoto for the year 2025 | Annual outages completed in Olkiluoto for the year 2025
Tue, Jun 24, 2025 21:34 CET Report this content
The annual outages have been concluded in Olkiluoto for this year. They ended today, Tuesday 24 June, at 10:06 PM, when the Olkiluoto 2 ... |
| 19.06.2025 | Final Takeover of Olkiluoto 3 plant unit accepted | Final Takeover of Olkiluoto 3 plant unit accepted
Thu, Jun 19, 2025 13:56 CET Report this content
The Olkiluoto 3 EPR (OL3) project was concluded a good two years ago and the commercial operation of the plant unit started on 1 May 2023. Tod... |
| 23.05.2025 | Electricity production at Olkiluoto 1 to resume tomorrow night | Electricity production at Olkiluoto 1 to resume tomorrow night
Fri, May 23, 2025 08:32 CET Report this content
The Olkiluoto 1 plant unit (OL1) is expected to return to electricity production tomorrow, May 24, according to the current estim... |
| 02.05.2025 | Replacement of Olkiluoto 2 Generator Rotor Progressing Well – Return to Electricity Production Ahead of Schedule | Replacement of Olkiluoto 2 Generator Rotor Progressing Well – Return to Electricity Production Ahead of Schedule
Fri, May 02, 2025 12:08 CET Report this content
The faulty rotor of Olkiluoto 2 (OL2)’s generator has been replaced with a spar... |
| 29.04.2025 | Considerable investment in development of OL1 and OL2 plant units in Olkiluoto | Considerable investment in development of OL1 and OL2 plant units in Olkiluoto
Tue, Apr 29, 2025 08:24 CET Report this content
The investment project to be implemented during the upcoming years will include the replacement of the I&C an... |
| 25.04.2025 | The Future of Nuclear Energy in Finland: A New Era of Safety and Sustainability | In the heart of Finland, a quiet revolution is taking place. Teollisuuden Voima Oyj (TVO) and Posiva are at the forefront of this change, shaping the future of nuclear energy. Their recent reports unveil a narrative of progress, safety, and... |
| 23.04.2025 | Posiva’s Annual report 2024 published | Posiva’s Annual report 2024 published
Wed, Apr 23, 2025 13:13 CET Report this content
The renewal of Posiva’s company culture was started in early 2024, and new ways of working were introduced. The opportunities for personnel to influence a... |
| 22.04.2025 | Teollisuuden Voima Oyj’s Interim Report 1 January–31 March 2025 | Teollisuuden Voima Oyj’s Interim Report 1 January–31 March 2025
Tue, Apr 22, 2025 13:28 CET Report this content
During the first quarter of 2025, Teollisuuden Voima Oyj’s (TVO) electricity generation at the Olkiluoto 1 (OL1), Olkiluoto 2 (O... |
| 18.04.2025 | Olkiluoto 2: A Power Plant's Rollercoaster Ride | The Olkiluoto 2 (OL2) nuclear power plant has been on a tumultuous journey lately. Picture a ship navigating stormy seas. One moment, it sails smoothly; the next, it’s battling fierce waves. OL2 is no different. Recently, it faced a generat... |
| 15.04.2025 | Electricity production at OL2 suspended due to generator fault | Electricity production at OL2 suspended due to generator fault
Tue, Apr 15, 2025 18:09 CET Report this content
Electricity production at the Olkiluoto 2 plant unit (OL2) will be suspended today, Tuesday, April 15, due to increased moisture ... |
| 12.04.2025 | Olkiluoto 2 to return to full power output | Olkiluoto 2 to return to full power output
Sat, Apr 12, 2025 17:01 CET Report this content
The Olkiluoto 2 (OL2) plant unit will return to full power output of 890 megawatts. The power increase will begin on Monday 14 April 2025 at 1:00 AM,... |
| 17.03.2025 | The CEO of Teollisuuden Voima is changing | The CEO of Teollisuuden Voima is changing
Mon, Mar 17, 2025 12:01 CET Report this content
Teollisuuden Voima Oyj's (TVO) board and CEO Jarmo Tanhua have mutually agreed that Tanhua will step down from the position of CEO as the company tran... |
| 10.03.2025 | Radioactive coolant leakage into containment areas closed to environment during annual outage at Olkiluoto 3 | Radioactive coolant leakage into containment areas closed to environment during annual outage at Olkiluoto 3
Mon, Mar 10, 2025 11:31 CET Report this content
A leakage of some 100 cubic metres of reactor coolant* occurred at Olkiluoto 3 (OL3... |
| 24.02.2025 | Teollisuuden Voima Oyj’s Annual Report for 2024 has been published | Teollisuuden Voima Oyj’s Annual Report for 2024 has been published
Mon, Feb 24, 2025 16:16 CET Report this content
Teollisuuden Voima Oyj’s (TVO) Olkiluoto nuclear power plant produced approximately 28% of the electricity consumed in Finlan... |
| 05.01.2025 | The Power Play at Olkiluoto: Balancing Costs and Production | In the heart of Finland, the Olkiluoto nuclear power plant stands as a titan of energy production. It’s a cornerstone of the nation’s electricity supply, generating about 30 percent of Finland's needs. The recent decisions surrounding its o... |
| 03.01.2025 | Nuclearly number one – 23.26 TWh of electricity produced in Olkiluoto last year | Nuclearly number one – 23.26 TWh of electricity produced in Olkiluoto last year
Fri, Jan 03, 2025 11:25 CET Report this content
The Olkiluoto nuclear power plant produced last year a total of 23.26 TWh (Terawatt-hours or billion kilowatt-ho... |
| 31.12.2024 | Energy Authority issues decision on costs of Olkiluoto 3 system protection | Energy Authority issues decision on costs of Olkiluoto 3 system protection
Tue, Dec 31, 2024 11:37 CET Report this content
The Energy Authority of Finland issued yesterday, 30 December, a decision on the sharing of the costs of Olkiluoto 3’... |
| 19.12.2024 | TVO committed to setting climate targets with Science Based Targets initiative (SBTi) | TVO committed to setting climate targets with Science Based Targets initiative (SBTi)
Thu, Dec 19, 2024 12:40 CET Report this content
Teollisuuden Voima Oyj (TVO) is committed to setting short-term science-based emission reduction targets. ... |
| 21.11.2024 | Olkiluoto 3 returns to electricity production | Olkiluoto 3 returns to electricity production
Thu, Nov 21, 2024 14:28 CET Report this content
The Olkiluoto 3 (OL3) plant unit was synchronized back to the national power grid today, Thursday, 21 November, at 3:21 PM.
Electricity production... |
| 18.10.2024 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 September 2024 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 September 2024
Fri, Oct 18, 2024 14:09 CET Report this content
During the first three quarters of 2024, Teollisuuden Voima’s (TVO) electricity generationat the Olkiluoto 1 (OL1), Olkiluot... |
| 27.09.2024 | Olkiluoto 2 to Resume Electricity Production at Reduced Capacity in October | Olkiluoto 2 to Resume Electricity Production at Reduced Capacity in October
Fri, Sep 27, 2024 11:45 CET Report this content
Teollisuuden Voima Oyj´s (TVO) Olkiluoto 2 (OL2) plant unit will return to electricity production on October 6th, fo... |
| 07.09.2024 | Turning Waste into Wealth: The Future of Plastic Recycling and Nuclear Waste Management | In a world drowning in plastic waste, innovation is the lifebuoy. Scientists at ETH Zurich are pioneering a method that transforms plastic refuse into high-quality fuel and products. This new chemical recycling process is a game changer. It... |
| 04.09.2024 | Финляндия на 100 тысяч лет захоронит ядерные отходы в геологической гробнице | Власти Финляндии одобрили проект захоронения ядерных отходов в геологической гробнице на 100 тыс. лет. Отработанное ядерное топливо поместят в водонепроницаемые медные контейнеры, которые захоронят в скальных породах на глубине более 400 м ... |
| 30.08.2024 | Finland's Nuclear Leap: A Milestone in Waste Management and Energy Regulation | Finland is at the forefront of nuclear innovation. The recent launch of the Trial Run of Final Disposal in Olkiluoto marks a significant step in managing spent nuclear fuel. This initiative is not just a technical endeavor; it symbolizes a ... |
| 30.08.2024 | Trial Run of Final Disposal started today in Olkiluoto | Trial Run of Final Disposal started today in Olkiluoto
Fri, Aug 30, 2024 11:46 CET Report this content
The final disposal of spent nuclear fuel will be tested without actual spent fuel during the upcoming months. The equipment and systems o... |
| 30.08.2024 | Olkiluoto 3 joins the reserve market | Olkiluoto 3 joins the reserve market
Fri, Aug 30, 2024 10:00 CET Report this content
As of 1 September, the Olkiluoto 3 (OL3) nuclear power plant unit of Teollisuuden Voima Oyj will become part of the down-regulation market of Fingrid’s fre... |
| 16.07.2024 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 June 2024 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 June 2024
Tue, Jul 16, 2024 08:43 CET Report this content
During the first half of 2024, Teollisuuden Voima Oyj’s (TVO) electricity generation at the Olkiluoto 1 (OL1), Olkiluoto 2 (OL2) ... |
| 19.06.2024 | Olkiluoto 1 returns to electricity production upon completion of annual outages | Olkiluoto 1 returns to electricity production upon completion of annual outages
Wed, Jun 19, 2024 14:15 CET Report this content
The annual outages have been concluded in Olkiluoto for this year. They ended today, Wednesday 19 June at 14:45 ... |
| 18.06.2024 | Terrafame has started uranium recovery | Terrafame has started uranium recovery
Tue, Jun 18, 2024 15:00 CET Report this content
Terrafame has on 18 June 2024 started recovering natural uranium on its industrial site in Sotkamo, Finland. Before the recovery was commissioned, the Fi... |
| 25.05.2024 | Annual outage of Olkiluoto 1 extended due to fault detected in generator | Annual outage of Olkiluoto 1 extended due to fault detected in generator
Sat, May 25, 2024 18:22 CET Report this content
The annual outage of Olkiluoto 1 is expected to conclude on June 16th according to the revised schedule.
The extension ... |
| 23.05.2024 | Fish monitoring analysis completed for the cooling water used at Olkiluoto | Fish monitoring analysis completed for the cooling water used at Olkiluoto
Thu, May 23, 2024 08:00 CET Report this content
Monitoring of fish in the cooling water was performed at Olkiluoto in 2023 and early 2024. The aim of the monitoring ... |
| 17.05.2024 | Changes and new appointments in Posiva’s management | Changes and new appointments in Posiva’s management
Fri, May 17, 2024 11:15 CET Report this content
Posiva Oy’s long-term and purposeful work on the safe and responsible final disposal of used nuclear fuel is progressing from the project ph... |
| 16.05.2024 | Olkiluoto 3 annual outage completed | Olkiluoto 3 annual outage completed
Thu, May 16, 2024 00:27 CET Report this content
Olkiluoto 3 (OL3) returned to electricity production today, Thursday, May 16, after the plant unit’s first annual service outage. The plant was synchronized... |
| 26.04.2024 | Annual outages progress at Olkiluoto plant units – maintenance starts at Olkiluoto 2 on Sunday | Annual outages progress at Olkiluoto plant units – maintenance starts at Olkiluoto 2 on Sunday
Fri, Apr 26, 2024 10:30 CET Report this content
The annual outage at Olkiluoto 3 will continue for another week or so. During the upcoming weeken... |
| 21.04.2024 | Annual outage of OL3 completed in May | Annual outage of OL3 completed in May
Sun, Apr 21, 2024 08:04 CET Report this content
The first outage of Olkiluoto 3 will be extended by six days because of technical problems. According to the updated schedule, the maintenance will be com... |
| 19.04.2024 | Teollisuuden Voima Oyj’s Interim Report 1 January–31 March 2024 | Teollisuuden Voima Oyj’s Interim Report 1 January–31 March 2024
Fri, Apr 19, 2024 08:59 CET Report this content
During the first quarter of 2024, Teollisuuden Voima Oyj’s (TVO) electricity generation at the Olkiluoto 1 (OL1), Olkiluoto 2 (O... |
| 12.04.2024 | An additional eight days for the annual outage of Olkiluoto 3 | An additional eight days for the annual outage of Olkiluoto 3
Fri, Apr 12, 2024 16:41 CET Report this content
According to the updated schedule, the annual outage of Olkiluoto 3 ends on April 28.
The reason for the additional eight days is ... |
| 11.04.2024 | Steady Energy and TVO Nuclear Services sign an agreement regarding nuclear power expertise services from Olkiluoto | Steady Energy and TVO Nuclear Services sign an agreement regarding nuclear power expertise services from Olkiluoto
Thu, Apr 11, 2024 08:01 CET Report this content
TVO Nuclear Services (TVONS) and Steady Energy have signed a collaboration ag... |
| 28.03.2024 | The lifecycle carbon footprint of the electricity production at Olkiluoto is low | The lifecycle carbon footprint of the electricity production at Olkiluoto is low
Thu, Mar 28, 2024 10:25 CET Report this content
The electricity produced in Olkiluoto is demonstrably very climate-friendly, with the calculated combined lifec... |
| 26.02.2024 | Teollisuuden Voima Oyj publishes Annual Report 2023 | Teollisuuden Voima Oyj publishes Annual Report 2023
Mon, Feb 26, 2024 11:29 CET Report this content
In 2023, the share of nuclear power was about 41 per cent of all the electricity produced in Finland. In 2023, Teollisuuden Voima Oyj’s (TVO... |
| 17.07.2023 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 June 2023 | Teollisuuden Voima Oyj’s Interim Report 1 January–30 June 2023
Mon, Jul 17, 2023 10:01 CET Report this content
During the first half of 2023, Teollisuuden Voima Oyj’s (TVO) electricity generation at the Olkiluoto 1 (OL1) and Olkiluoto 2 (OL... |
| 18.04.2023 | Рассвет и закат атомной энергетики Германии | 15 апреля Германия закрыла последние три действующие блока АЭС. Страна завершила долгий процесс развития, а затем и отказа от атомной энергетики. Эта статья посвящена истории атомной промышленности и энергетики Германии и истории противосто... |
| 31.03.2023 | Teollisuuden Voima Oyj’s Environmental Report 2022 has been published | Teollisuuden Voima Oyj’s Environmental Report 2022 has been published
Fri, Mar 31, 2023 14:00 CET Report this content
Teollisuuden Voima Oyj’s (TVO) Environmental Report is based on the requirements laid down in the EMAS (Eco-Management and... |
| 15.02.2023 | Teollisuuden Voima Oyj publishes Annual Report 2022 | Teollisuuden Voima Oyj publishes Annual Report 2022
Wed, Feb 15, 2023 14:00 CET Report this content
In 2022, the share of nuclear power was approximately 35 percent of all electricity produced in Finland. During its over 50-year history, Te... |
| 29.09.2022 | Miners Take Off for The Great – and More Profitable – North | Bitcoin (BTC) miners across Europe are fleeing to the northern parts of Norway and Sweden to cut power costs as energy prices skyrocket on the continent and bitcoin flatlines.
Mining economics has stopped making sense on much of the contine... |
| 28.08.2022 | The test production of Olkiluoto 3 continues | The test production of Olkiluoto 3 continues
Sun, Aug 28, 2022 16:05 CET Report this content
The automation updates at the Olkiluoto 3 (OL3) plant unit have been completed. The test production continues with tests at a power level of 60 per... |
| 08.08.2022 | Olkiluoto 3 is producing electricity for Finland | Olkiluoto 3 is producing electricity for Finland
Mon, Aug 08, 2022 16:34 CET Report this content
Maintenance and repair activities have been completed in the turbine island of the Olkiluoto 3 EPR plant unit. Test production phase continues ... |
| 17.06.2022 | Nordic nuclear power plants break new ground with 3D printed debris filters | In what is thought to be a world first, a set of 3D printed fuel components have been installed in nuclear power plants across Scandinavia.
Named StrongHold AM filters, the nuclear fuel debris filters were 3D printed by Westinghouse Electri... |
| 22.04.2022 | Teollisuuden Voima Oyj Interim Report January–March 2022 | Teollisuuden Voima Oyj Interim Report January–March 2022
Fri, Apr 22, 2022 12:36 CET Report this content
During the first quarter of 2022, Teollisuuden Voima’s (TVO) electricity generation at the Olkiluoto 1 (OL1) and Olkiluoto 2 (OL2) plan... |
| 12.03.2022 | The Olkiluoto 3 EPR plant unit’s electricity production has started | The Olkiluoto 3 EPR plant unit’s electricity production has started
Sat, Mar 12, 2022 11:41 CET Report this content
The electricity production of Olkiluoto’s third nuclear power plant unit started today on Saturday, 12 March 2022, at 12.01 ... |
| 21.12.2021 | The Olkiluoto 3 EPR plant unit started up | The Olkiluoto 3 EPR plant unit started up Tue, Dec 21, 2021 03:51 CET
First criticality of the OL3 EPR plant unit was reached on Tuesday, December 21, 2021 at 3.22 a.m. OL3 EPR’s electricity production starts when the unit will be connected... |
| 15.10.2021 | Teollisuuden Voima Oyj Interim Report January–September 2021 | Teollisuuden Voima Oyj Interim Report January–September 2021 Fri, Oct 15, 2021 15:01 CET
During the first three quarters of 2021, Teollisuuden Voima’s (TVO) electricity generation at the Olkiluoto 1 (OL1) and Olkiluoto 2 (OL2) plant units c... |
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| - | Inside a nuclear tomb: The underground store that's humanity's first attempt to dispose of nuclear waste for 100,000 years | I visited Onkalo, the world's first commercial underground nuclear waste depository, which has just finished its construction in Finland. Marianne Guenot/Insider
Radioactive waste from nuclear plants is stored in temporary facilities around... |
