Tag - tepco

 
 

TEPCO

Electricite de France, Europe’s flagship builder, has struggled to deliver nuclear power projects on time and on budget.
WORLD / Science & Health
Mar 6, 2026
A global nuclear power renaissance isn’t living up to the hype
In much of the world, lofty nuclear ambitions are at odds with the reality of an industry hollowed out by decades of stagnation.
Soil collected during decontamination work at the Fukushima No. 1 nuclear power plant is moved for use in flower beds at the industry ministry in Tokyo in September.
JAPAN
Mar 2, 2026
Japan aims to expand use of soil from Fukushima decontamination
The Environment Ministry is seeking to reuse soil with low levels of radioactive contamination, collected from areas polluted due to the 2011 meltdown.
A robot arm unveiled by Tokyo Electric Power Company Holdings for use in the trial removal of nuclear fuel debris at its tsunami-crippled Fukushima No. 1 nuclear plant, on Wednesday in Fukushima Prefecture
JAPAN
Feb 26, 2026
Tepco unveils new robot arm for nuclear debris removal
The 22-meter-long robot arm can grab debris from a wider area than fishing rod-like devices previously used at the tsunami-crippled Fukushima No. 1 nuclear plant.
The Kashiwazaki-Kariwa nuclear power plant in Kashiwazaki, Niigata Prefecture. An employee of Tokyo Electric Power Company Holdings has been found to have improperly handled confidential documents on the plant.
JAPAN
Feb 25, 2026
Tepco employee improperly handled confidential nuclear plant documents
The employee photographed the documents with a smartphone without permission and emailed a summary of the contents to 16 colleagues in February 2025.
The Kashiwazaki-Kariwa nuclear power plant in Kashiwazaki, Niigata Prefecture. The brief halt of the No. 6 reactor was carried out for inspections, including checking for abnormalities in turbine-related equipment, which started generating and sending electricity for the first time in about 14 years.
JAPAN
Feb 25, 2026
Kashiwazaki-Kariwa No. 6 nuclear reactor restarted after scheduled halt
The brief halt of the No. 6 reactor was carried out for inspections, including checking for abnormalities in turbine-related equipment, with no issues found.
Staff at Tokyo Electric Power Company Holdings' Kashiwazaki-Kariwa nuclear plant operate a control panel for power transmission on Monday.
JAPAN
Feb 17, 2026
Tepco’s Kashiwazaki-Kariwa plant restarts power transmission
Tepco plans to increase the No. 6 reactor’s output level to 50% before temporarily halting it on Friday or later to inspect the turbine equipment.
Tokyo Electric Power Company Holdings' Kashiwazaki-Kariwa nuclear power plant in Niigata Prefecture
JAPAN
Feb 15, 2026
Tepco fixes instrument glitch at Kashiwazaki-Kariwa nuclear plant
Due to the malfunction, the planned start of power generation and transmission from the reactor is expected to be delayed by about half a day.
The Kashiwazaki-Kariwa nuclear power plant’s central control room in the village of Kariwa in Niigata Prefecture on Jan. 21
JAPAN
Feb 9, 2026
Japan’s biggest nuclear plant restarts second time after hiccup
Tepco, the operator of the Fukushima nuclear power plant that suffered a meltdown accident in 2011, is facing public scrutiny to safely resume its Kashiwazaki-Kariwa plant.
Tokyo Electric Power Company Holdings' Kashiwazaki-Kariwa plant in Niigata Prefecture. The company plans to postpone the start of the reactor's commercial operations to March 18.
BUSINESS / Companies
Feb 6, 2026
Tepco to restart Kashiwazaki-Kariwa No. 6 reactor on Monday
Tepco restarted the reactor on Jan. 21 for the first time in 13 years and 10 months but soon shut it down following an alarm that went off due to an error with its settings.
Koji Okamoto, a professor at the University of Tokyo in the Department of Nuclear Engineering and Management, said that modern reactors are designed to effectively shut down even if one rod cannot be reinserted.
JAPAN / Science & Health
Jan 30, 2026
Alarm at Kashiwazaki-Kariwa No. 6 was probably a false alarm
A Fukushima-style meltdown was never a possibility given the reactor’s design.
Nine regional power utilities announced Thursday that average household electricity bills will rise in February, due to higher liquefied natural gas costs and reduced government subsidies.
BUSINESS
Jan 30, 2026
Nine of Japan’s 10 regional power utilities to raise bills in February
Kansai Electric Power is the only utility not to raise its bills.
The No. 6 reactor at the Kashiwazaki-Kariwa nuclear plant in Niigata Prefecture. Tokyo Electric Power Company Holdings expects to return to profitability in the next fiscal year on the assumption that the reactor is restarted.
BUSINESS / Companies
Jan 26, 2026
Tepco to make cost cuts of ¥3.1 trillion over 10 years under new business plan
The cost cuts will be achieved through business streamlining, reduced investment and asset sales.
Takeyuki Inagaki, the manager of the Kashiwazaki-Kariwa nuclear power plant, speaks on Thursday about the decision to shut down the facility.
JAPAN / Science & Health / FOCUS
Jan 23, 2026
An alarm sounds and Tepco suspends restart at Kashiwazaki-Kariwa 
Just six hours after reactor No. 6 achieved a critical state, it had to be shut down.
Tokyo Electric Power Company Holdings’ Kashiwazaki-Kariwa nuclear power plant in late 2025. It was briefly restarted on Wednesday after a 13-year shutdown.
JAPAN / Science & Health
Jan 22, 2026
Kashiwazaki-Kariwa reactor No. 6 shut down due to alarm malfunction
The nuclear power plant, the world’s largest, was just restarted Wednesday after 13 years.
Members of civic groups hold a rally in the city of Niigata against the restart of the Kashiwazaki-Kariwa nuclear power plant on Wednesday.
JAPAN / Society
Jan 22, 2026
Local residents split over Kashiwazaki-Kariwa reactor restart
Civic groups opposing the restart gathered in front of Tepco’s office in the city of Niigata to protest.
Tokyo Electric Power Company’s Kashiwazaki Kariwa Nuclear Power Plant in late 2025. One of its seven reactors was switched on Wednesday.
JAPAN / Science & Health
Jan 21, 2026
Tepco restarts reactor at Kashiwazaki-Kariwa, world’s largest nuclear plant
The utility had shut down all its nuclear power plants after the 2011 Fukushima disaster.
A planned restart scheduled for Tuesday of the No. 6 reactor at the Kashiwazaki-Kariwa nuclear power plant in Niigata Prefecture has been postponed.
JAPAN
Jan 20, 2026
Tepco to postpone restart of Kashiwazaki-Kariwa nuclear reactor
Tepco did not disclose when it now plans to restart the idled reactor, but officials said it would take one or two days to complete remaining necessary preparations.
The Kashiwazaki-Kariwa nuclear power plant, one of the world's largest nuclear facilities, along the coast in Kashiwazaki, Niigata Prefecture
JAPAN
Jan 18, 2026
Tepco reports error at Kashiwazaki-Kariwa nuclear plant
The error was in the alert system, which is designed to activate when a control rod is being pulled out of the reactor while another rod is already out.
Under the new business reconstruction program, Tokyo Electric Power Company Holdings aims to improve its profitability as huge costs are expected for compensation to victims of the March 2011 nuclear accident at its tsunami-stricken Fukushima No. 1 power plant and for decommissioning reactors at the plant.
BUSINESS / Companies
Jan 11, 2026
Tepco submits new business reconstruction plan
The new plan includes a policy to promote preparations for the decommissioning of the nuclear plant, such as securing human resources.
The government has been subsidizing electricity and gas rates intermittently since 2023, automatically reflecting them in consumers' utility bills.
JAPAN
Dec 25, 2025
Japan’s 10 major power firms to cut rates by over ¥1,000
The government has been subsidizing electricity and gas rates intermittently since 2023.

Longform

The Terasaka Rice Terraces are seen with Mount Buko in the background.
What Yokoze can teach Japan about rural revival