Fukushima Daiichi
Fukushima Daiichi TOP
Fukushima Daiichi Decommissioning Project
- Fukushima Daiichi Decommissioning Project TOP
  Outline of Decommissioning Project
  Decommissioning Progress
  Information
  Data
  Visual Contents
  Frequently Asked Questions
Responsibility for the Revitalization of Fukushima
- Responsibility for the Revitalization of Fukushima TOP
  About the Fukushima Revitalization Headquarters
  Compensation for Nuclear Damages
  Efforts for Promoting Decontamination and Revitalization
  Contribution to Expanding Employment Opportunities
  Activities to Support Revitalization
- The Methods and Results of Treated Water Discharge and Monitoring
- TREATED WATER PORTAL SITE
CLOSE
Media Information
Media Information TOP
- The Methods and Results of Treated Water Discharge and Monitoring
- TREATED WATER PORTAL SITE
CLOSE
Customer Information
Customer Information TOP
Contract, Payment, Moving
(TEPCO EP site)

Power Outage (TEPCO PG site)
Power Outage Map(in Japanese only)

Power Outage (TEPCO PG site)
Power Outage Map(in Japanese only) TOP

What to do if the power goes out
Contact Information

Electricity Forecast (TEPCO PG site)
- The Methods and Results of Treated Water Discharge and Monitoring
- TREATED WATER PORTAL SITE
CLOSE
Investor Relations
Investor Relations TOP
- Integrated Report
- ESG
CLOSE
About TEPCO
About TEPCO TOP
Our Business
- Our Business TOP
  Thermal Power Generation
  Nucleaer Power Generation
  International Exchange / Cooperative Activities
  Consulting
  New Growth Opportunities
  Open Innovation
About TEPCO
- About TEPCO TOP
  Corporate Information
  Investor Relations
  R&D
  ESG
  Procurement
  Power Supply Facilities
- Oze and TEPCO
- TEPCO Illustrated
CLOSE

News Releases

Public materials relating to the Fukushima Daiichi Nuclear Power Station are made available.

Reference Materials

Contents

January 2026

Jan 22, 2026: Fukushima Daiichi Nuclear Power Station Changes to the amount of ALPS treated water, etc. broken down by the sum of ratios to regulatory concentration limits (estimate) on Treated Water Portal Site
Jan 22, 2026: Fukushima Daiichi Nuclear Power Station FY2026 ALPS treated water discharge plan (draft)
Jan 19, 2026: Fukushima Daiichi Nuclear Power Station Unit1 Completion of the installation of the large cover
Jan 9, 2026: Fukushima Daiichi Nuclear Power Station Analysis Results for the Seventh Discharge in FY2025 of ALPS Treated Water into the Sea

*From May 2022, the page for posting the analysis results of fish and shellfish was changed. Please see here.

Regularly Issued Materials

Materials	Supplementary Materials
The Status of Storage and Treatment of Accumulated Water Containing High-Level Radioactive Materials at Fukushima Daiichi Nuclear Power Station (updated weekly on Fridays)	Supplementary Materials
Evaluation of the Exposure Levels of Workers Engaged in Radiation Work at the Fukushima Daiichi Nuclear Power Station (updated at end of each month)	-
Trends in Volume of Groundwater Drain Transfer to Buildings and Groundwater Inflow (updated weekly on Fridays)	-
Marine Organism Rearing Test at Fukushima Daiichi Nuclear Power Station – Marine Organism Rearing Log –	-

A PDF reader such as Adobe Reader must be installed to view PDF files. Adobe Reader can be downloaded here.

HOME
Our Responsibilities to Fukushima
Fukushima Daiichi decommissioning project
Information
News Releases