- 21 August, 2017 NRA Approves Full Water-Shielding Wall at Fukushima Daiichi NPPs
- 15 November, 2016 All Outer Wall Panels Removed at Fukushima Daiichi Unit 1 Reactor
- 31 March, 2016 NRA Approves Start of Freezing of Land-side Impermeable Wall at Fukushima Daiichi
- 1 December, 2015 TEPCO to Dismantle Top of Unit 2 Reactor Building at Fukushima Daiichi
- 29 October, 2015 TEPCO Completes Seaside Shielding Wall at Fukushima Daiichi, Greatly Reducing Risk of Contaminated Water Leakage
- 18 May, 2015 Fukushima Daiichi Frozen Wall Tests Succeed in Lowering Underground Temperatures to 15 Degrees below Zero
- 7 May, 2015 TEPCO to Begin Tests of Frozen-soil Shielding Walls at Fukushima Daiichi
