"Spent Fuel Pool" tag
Ambassador Kennedy looks out the window of her bus as she tours parts of the Fukushima Daiichi nuclear power plant in Japan

Ambassador Kennedy tours Fukushima Daiichi nuclear power plant

Caroline Kennedy, the US Ambassador to Japan, spent three hours visiting the crippled Fukushima Daiichi nuclear power plant on Wednesday as part of her first trip as ambassador to Fukushima Prefecture. While touring…

Japan Nuclear No Experts

Human error blamed after spent fuel removal operations halted at Fukushima Daiichi

Tokyo Electric, the utility decommissioning the Fukushima Daiichi nuclear power plant in Japan, determined that human error is the most likely cause for the alarms which stopped work removing spent fuel assemblies from…

Workers stand in front of the Unit 4 Spent Fuel Pool

Alarm brings fuel retrieval from Fukushima Daiichi Unit 4 to a halt

Workers at the Fukushima Daiichi nuclear power plant have been forced to halt removal of spent fuel rods from the Reactor 4 spent fuel pool. The pool contains 1,533 fuel rods, 1,331 of…

The Fukushima Daiichi nuclear power plant pictured in March 2011 and March 2014.

More progress made overhauling site than decommissioning reactors at Fukushima Daiichi

In the three years since the start of the Fukushima Daiichi nuclear disaster there has been a plethora of drastic changes made to the landscape of the Fukushima Daiichi nuclear power plant including;…

Rokkasho

Japans regulators establish screening items for reprocessing plant

Members of the Nuclear Regulation Authority in Japan are encouraging officials of Japan Nuclear Fuel Limited to explain how they have readied the Rokkasho reprocessing facility for disasters and accidents. The Rokkasho Reprocessing…

March 14th, 2011 - TEPCO requests US Embassy help extinguish fire at Unit 4

March 14th, 2011 – TEPCO requests US Embassy help extinguish fire at Unit 4

March 14th, 2011 – TEPCO Requests US Embassy Help Extinguish Fire at Unit 4 – Pages From C146301-02X – Grou…

April 20th, 2011 – JNES Assessment of Spent Fuel Pool at Fukushima Daiichi Unit 4

April 20th, 2011 – JNES Assessment of Spent Fuel Pool at Fukushima Daiichi Unit 4

An analysis performed by the Japanese version of the Sandia experts on the spent fuel pool at Fukushima Daiichi Reactor 4. April 20th, 2011 – JNES Assessment of Spent Fuel Pool at Fukushima…

Unit 4 Spent Fuel Pool Cask

TEPCO begins critical work unloading Fukushima Daiichi Unit 4 spent fuel pool

On Monday at 15:18, TEPCO workers began work removing spent fuel from the crippled Fukushima Daiichi Unit 4 spent fuel pool, which holds 1,533 assemblies.  Of the 1,533 assemblies, 1,311 are spent fuel,…

March 16th, 2011 - Estimate Time for Boil-dry Times for a Typical Spent Fuel Pool

March 16th, 2011 – Estimate time for boil-dry times for a typical spent fuel pool

Estimate time for boil-dry times for a typical spent fuel pool Source: RTM Table D-1 (see figure below) Assumptions: (1) Full core recently discharged (see box in figure) (2) 100 days after shutdown…

Fukushima Daiichi Unit 4 and Cover - Resized

TEPCO still unable to restore power at all affected facilities

Monday night, a power outage at the Main Anti-Earthquake Building at the Fukushima Daiichi nuclear power station suspended operations at three spent fuel pool cooling systems and other critical plant facilities.  TEPCO was…

Fukushima Daiichi Unit 4 Reactor Building

Power outage at Fukushima Daiichi halts spent fuel pool cooling at multiple units

According to TEPCO and the Japanese Nuclear Regulation Authority, around 19:00 on Monday night, the seismic building at the Fukushima Daiichi nuclear power plant had experienced a power failure.  While the outage did…

Fukushima Daiichi Reactor 3 Spent Fuel Pool Investigation 3

TEPCO releases video footage of Fukushima Daiichi Reactor 3 spent fuel pool

TEPCO released video footage of an investigation into the Fukushima Daiichi Reactor 3 spent fuel pool, after workers performing debris removal operations knocked the fuel handling machine mast into the spent fuel pool….

130208_01

TEPCO reports problems with debris removal operations at Fukushima Daiichi

This week TEPCO workers have been working to remove debris from the top of the Unit 3 reactor building, clearing the way to begin construction of additional protective covering structures and eventual removal…

Dry Cask Storage

NRC to review spent fuel regulations

After more than 20 years of non-action, the United States Nuclear Regulatory Commission is reviewing its policies, regulations, guidance, and technical needs in several key areas, such as: retrievability, cladding integrity, and safe…

March 24th, 2011 - Neturon source found 1 mile from Fukushima Daiichi

March 24th, 2011 – Neutron source found 1 mile from Fukushima Daiichi – Maybe from Unit 3 explosion

Male Participant: You know, we do believe that based on information from TEPCO and identification of neutron sources, you know, found at the one mile from the plant that some fuel may have…

130115_01

Workers complete first stage of steel cover for Fukushima Daiichi Unit 4

For the better part of the last 6 months, workers have been preparing Fukushima Daiichi Unit 4 for the extraction of the spent fuel from the spent fuel pool of the destroyed reactor…

Hamaoka Spent Fuel Pool

Cracks found in spent fuel rods at Hamaoka nuclear power plant

An investigation by Chubu into the status of spent fuel stored in the spent fuel pool from the Unit 1 reactor of the Hamaoka nuclear power plant found cracks and other deformations among…

121219_04

TEPCO making plans to remove spent fuel from Fukushima Daiichi Reactor 4

TEPCO plans to start removing spent fuel from the Unit 4 reactor building starting in November of this year, and has already started bringing in cranes and heavy equipment for the removal work. …

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For nuclear plants on active faults, reactors aren’t only risk

Japan’s Nuclear Regulation Authority is not just worried about the safety of the nuclear reactors at the Tsuruga and Higashidori nuclear power plants, they also have raised concerns about the combined 800 tons…

TEPCO - Kashiwazaki-Kariwa Spent Fuel Study

TEPCO investigation finds multiple spent fuel pools at Kashiwazaki-Kariwa plant house damaged spent fuel assemblies

After a Level 1 incident was announced upon the disclosure of two deformed fuel rods which were stick together at the Kashiwazaki-Kariwa nuclear power plant, TEPCO investigated 65 spent fuel assemblies at the…

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