Investor Presentaiton
State of TEPCO Fukushima Daiichi NPS (FDNPS)
Spent fuel removal
For Unit 3, fuel removal was completed on 2021/2/28.
- For Unit 1 and 2, preparation works (rubble removal or installation of cover etc.) are ongoing.
ā Fuel debris retrieval
- Trial retrieval will start from Unit 2.
- The equipment for retrieval arrived in Japan on 2021/7/10, and transferred to Fukushima on 2022/1/31.
Unit 1
Hydrogen
explosion
Spent fuel
pool
Hydrogen
Unit 2
Unit 3 explosion
Front
chamber
Removed fuel assemblies
Roof dome
566/566
(Completed 2021/2/28)
Fuel handling
Machine crane
Hydrogen[
Unit 4 explosion
Cover for fuel retrievall
Removed fuel assemblies
1535/1535
(Completed 2014/12/22)
Water
injection
392
Water
injection
Core melt
Fuel debris
Core melt
000
615
Water
injection
Core melt
000
000
Unit 3,4
Storage/Tra
nsportation
Storage/
Transportation
Units 1 and 2
Removing fuel from
the Spent Fuel Pool
Installation of fuel removal
Rubble removal
Fuel removal
equipment
Units 1, 3
Unit 2
Current
progress
Fuel debris
retrieval
Ascertaining of the situation inside the PCV/
consideration of fuel debris retrieval etc
Fuel debris retrieval
Disassembly of
reactor facility, etc
Extended to 30-40 years
Consideration of scenario
and technologies
Design and construction
of equipment
Dismantling
and other tasks
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