SimplyInfo.org; Annual Report – Unit 1
This is one section of our annual report, the full report can be found here. We will be posting a
Read more
unit 1
TEPCO Delays Unit 1 Inspection Indefinitely
NHK is reporting that TEPCO will indefinitely delay the containment inspection work inside unit 1 at Fukushima Daiichi. Concerns about
Read more
Unit 1 Containment Inspection
Much anticipated inspection inside unit 1 containment.
Read more
Runaway Bus Causes Damage At Fukushima Daiichi
The bus used as a remote command center for the work to cut down the unit 1-2 vent tower took
Read more
Fukushima Unit 1 New “Plan B” To Remove Spent Fuel
TEPCO has added an additional option to their plans for the removal of spent fuel from unit 1 at Fukushima
Read moreFirst Photos of Fukushima Unit 1 Containment Cap
TEPCO released these photos as part of the end of the month report. This is the first look at the
Read more
Fukushima Unit 1 Containment Inspection Update
Plans to inspect inside the containment structure of unit 1 at Fukushima Daiichi has again hit a series of delays.
Read more
Unit 1 Containment Cutting
Ongoing work to cut an access hole into Unit 1’s containment for the upcoming robot inspection.
Read more
Unit 1 Containment Cutting Resumes
Work to cut a hole in personnel door into containment resumes.
Read more
SimplyInfo.org; Unit 1 Interim Report 2019
A number of new events tied to unit 1 have taken place. These lend new insight into the initial disaster
Read more
Fukushima Unit 1 Reactor Well Inspection Results
The inspection of the unit 1 reactor well began in July, continuing into the end of August. A trio of
Read more
Fukushima Unit 1 Spent Fuel Pool Inspection
The first inspection of the unit 1 spent fuel pool has been conducted. Workers found visibility of about 7 meters
Read more
Fukushima Unit 1; Site Of Significant New Work
Fukushima Unit 1 has been the site of significant new work on multiple fronts. We outline the new events and
Read more
Reactor Well Inspections Start At Fukushima Unit 1
TEPCO published preliminary photos July 18th showing the start of inspection work of the reactor well for unit 1. Two
Read more
How Work To Remove A Radioactive Tower At Fukushima Daiichi Went Wrong
Measure twice, cut once. Work to remove the highly contaminated units 1-2 vent tower at Fukushima Daiichi took an unfortunate
Read more
Drilling Of Internal Door Daiichi Unit 1
TEPCO will drill through the interior door of the X-2 penetration into containment in early June. This will allow full
Read more
Unit 1 Containment Inspection
Unit 1 upcoming containment inspection
Read more
Fukushima Daiichi Unit 1-2 Vent Tower Removal Starts
Originally scheduled for May 20th. This event has now been postponed to some time in June.
Read more
Fukushima Unit 1 Upcoming Inspection; What You Need To Know
TEPCO and the various entities tasked with dealing with the disaster clean up at Fukushima Daiichi have announced details of
Read more
Fukushima Daiichi Debris Samples Reveal Dangerous Link
A detailed TEPCO document from July 2018 gives some important new insight into the meltdowns at Fukushima Daiichi and the
Read more
TEPCO Has A Plan For Some Of The More Dangerous Work At Daiichi
One of the most dangerous places at Fukushima Daiichi may undergo work to reduce the ongoing risk. Soon after the
Read more
SimplyInfo.org: Fukushima Reactors Face More Setbacks
TEPCO and the decommissioning authorities have reported on the ongoing delays at Fukushima Daiichi. As we reviewed these reports we
Read more
Experts Tell All On Fukushima Unit 1
The Nuclear Decommissioning Facilitation Corp (NDF) held their annual meeting recently. Presentations by various experts and those involved with the
Read more
Fukushima Unit 1 Containment Inspection Update
TEPCO released a report with some new conclusions related to the earlier inspections of unit 1’s containment floor. The new
Read more
Fukushima Unit 1 Refueling Floor Inspection Results
Investigations of the unit 1 refueling floor area took place between November 2016 and February 2017. This area has been
Read more
Fukushima Unit 1 More Questions Than Answers From New Inspection
TEPCO has completed a multiple day inspection of unit 1 at Fukushima Daiichi. This new work used the PMORPH robot
Read more
Pmorph Robot Prepares For Fukushima Unit 1 Entry
An improved version of the Hitachi shape changing robot previously used at unit 1 has been unveiled by IRID. The
Read more
Fukushima Unit 1 Cover Removal Completed
TEPCO has reported that the last sections of the cover over unit 1 have been removed. The next phase is
Read more
Fukushima Vent Tower Drone Inspection Completed
TEPCO reported on October 20th that they completed the drone inspections of unit 1-2 vent tower. Minimal data was provided
Read more
Drones Used To Inspect Fukushima Vent Tower
A flying quadcopter was used to attempt to inspect the Unit 1-2 vent tower at Fukushima Daiichi. The tower has
Read more
Fukushima Vent Tower 1-2 Water Drain Sampling Results
TEPCO has successfully obtained a sample and water depth for the sump drain connected to the unit 1-2 vent tower.
Read more
Fukushima Unit 1 Cover Being Removed, What Happens Next
Asahi Shimbun is reporting that work has begun to remove the cover from Fukushima Daiichi Unit 1. The cover has
Read more
The Big Job To Sample Water At A Fukushima Vent Stack
The effort to deal with the unit 1-2 vent stack has grown in complexity. TEPCO claims in this new work
Read more
TEPCO Begins Small Debris Removal On Fukushima Unit 1
NHK announced late last week that TEPCO has begun removing small debris off the top of Fukushima unit 1 with
Read more
New Plan To Inspect Fukushima Unit 1 Unveiled
IRID has published a new plan to complete phase 2 of the robot containment inspection of unit 1 at Fukushima
Read more
TEPCO Releases Photos Of Fukushima Unit 1 Demolition
TEPCO released two images of the work underway to remove the refueling floor level of unit 1. They commented that
Read more
Fukushima Unit 1 Discharge Canal Begins Filtration
The discharge canal of unit 1 has been the site of ongoing high levels of contamination since the initial disaster.
Read more
Fukushima Unit 1 TIPS Inspection Done, High Radiation Found
A new inspection attempt of the unit 1 TIPS room has been completed between September and October of 2015. TEPCO
Read more
The Curious Case Of Two Fukushima Workers
TEPCO released a handout today providing new data on the unit 1/2 vent tower. The handout included photos from 2013
Read more
TEPCO Says Unit 1-2 Vent Tower Probably OK For Now
TEPCO has been doing another round of inspections on the unit 1-2 vent tower. They told Mainichi they didn’t think
Read more