China’s nuclear power investment might not be such a good deal
China Nuclear IPO Risks Fading Afterglow By ABHEEK BHATTACHARYA, WSJ Nov. 24, 2014 China’s largest nuclear power company is coming to the table with a high minimum bet.
State-owned CGN Power plans to sell shares worth up to $3.16 billionin Hong Kong this week, making it one of the few pure-play listed nuclear companies in the world. ………
CGN Power’s multiple is substantially higher than U.S. nuclear operator Exelon ’s 6.7 times and French EDF’s 4.9 times. It is also more expensive than CGN Meiya, CGN Power’s smaller affiliate that went public in September and that fetches 11.2 times Ebitda.
High valuations for CGN Power are dicey because China regulates electricity prices more heavily than in the West. For instance, new nuclear-power plants can’t charge higher tariffs than neighboring coal-fired power, capping earnings potential.
Though Beijing’s plans to cut back on fossil fuels will help growth, the state-run grids prioritize wind and solar over nuclear power when buying and dispatching electricity, according to CGN’s prospectus. Given China’s ambitions to build out solar power, this means nuclear could occasionally lose out. It is also a reminder that nuclear energy may not always enjoy the government’s graces.
CGN Power’s novelty may attract some betting on China’s nuclear future. Yet like many Hong Kong IPOs that do well at first, this bet may lose its afterglow. http://online.wsj.com/articles/china-nuclear-ipo-risks-fading-afterglow-heard-on-the-street-1416819232
Abe government disregards public, and its (supposed) policy to reduce dependence on nuclear power
Editorial: Clarify vision for a society free of nuclear power. Mainichi, 26 Nov 14 “……Rather than phasing out atomic power, the 2-year-old government of Prime Minister Shinzo Abe has been once again trying to rely on nuclear power stations.
The Basic Energy Plan that the Abe Cabinet approved in April this year recognizes atomic power as an important base-load power source, while declaring that Japan will reduce its dependence on such power as much as possible. Moreover, the government has postponed a decision on an ideal ratio between power sources.
If the government is truly enthusiastic about pursuing a society that does not rely on atomic power, it is the role of politicians to clearly show a road map toward eliminating nuclear plants, set specific targets including the ratio between power sources and implement specific measures to achieve this goal. The government should also judge whether individual nuclear plants should be restarted within the framework of the policy toward phasing out nuclear power.
The Abe administration’s failure to do so suggests that the government intends to put as many nuclear power plants as possible into operation by carrying out a fait accompli.
In fact, the government is attempting to allow Kyushu Electric Power Co. to reactivate its Sendai nuclear plant in Kagoshima Prefecture based solely on the fact that its reactors meet the new regulatory standards set by the Nuclear Regulation Authority. The effectiveness of a plan to evacuate local residents in case of a serious disaster at the plant and efforts to convince residents of municipalities around the plant remain unaddressed. An opinion poll the Mainichi Shimbun conducted this past September shows that 60 percent of the public is opposed to restarting the power station. However, the government is showing no consideration of public opinion. Such an attitude could lead to a new safety myth, such as a massive amount of radiation would never be released in case of a meltdown since regulatory standards have been stiffened.
The government’s lack of enthusiasm about decreasing Japan’s dependence on nuclear power has led to power companies’ refusal to sign new contracts to purchase power generated with renewable energy. The promotion of renewable energy sources would help not only lessen the country’s dependence on atomic power but also create new industrial sectors and vitalize local economies. If Japan were to lose such chances because the government has failed to thoroughly implement measures to promote the introduction of renewable energy, it could be criticized as a serious policy misstep……Regardless, as long as a majority of the people of Japan, which experienced a serious nuclear disaster, are calling for a society without atomic power, it is the mission of politicians to make efforts to phase out nuclear power. http://mainichi.jp/english/english/perspectives/news/20141125p2a00m0na008000c.html
Tepco starts filling cable trench with cement as it pumps out radioactive water
Nov 26, 2014
IWAKI, FUKUSHIMA PREF. – Tokyo Electric Power Co. started work Tuesday to fill an underground trench at the disaster-stricken Fukushima No. 1 nuclear power plant with cement while pumping up radioactive water inside at the same time.
The power company reported the beginning of the cement-pouring work for the cable trench for reactor 2 at a meeting in Iwaki, Fukushima Prefecture, with government representatives on measures to deal with increasing radioactive water at the power station.
Tepco expects to finish the work by the end of next March. The company will begin next month pouring cement in reactor 3′s trench, hoping to complete the work also by the end of March.
The trenches for the two reactors are estimated to hold 11,000 tons of radioactive water in total. The water is believed to be causing the pollution of groundwater under the seaside section of the power plant.
On Tuesday, Tepco injected 80 cu. meters of cement in the reactor 2 trench in an operation that lasted two and a half hours from around 9:30 a.m. The trench holds radioactive water that has flowed from the reactor’s turbine building.
At first, Tepco planned to stop the flow by freezing water inside the joints between the turbine building and the trench so that it can entirely remove the radioactive water from there.
But Tepco could not fully freeze the water or block the flow. So, the firm switched to the current plan to inject cement in and remove the radioactive water from the trench simultaneously.
Source: Japan Times
Fukushima I NPP: Plan C Also Failed in Plugging Reactor 2 Trench… Now What?
November 24, 2014
Plan D of Course!
But first, recall that Plan A was to install freezing pipes at the head of the trench leading from Reactor 2 turbine building to create an ice plug so that the extremely contaminated water that had been sitting in the trench since the very beginning of the nuclear accident could be pumped out. TEPCO started the work in April this year.
That failed. The ice plug didn’t quite form.
Then recall that Plan B was to dump tons (literally) of ice and dry ice in the trench near the freezing pipes to lower the temperature of the water around the freezing pipes so that the ice plug would finally form. Workers dumped ice all day and all night, in the high ambient radiation right at the trench. That was in hot August. Try to freeze the trench with ice in hot August.
That also failed. Dry ice clogged the pipe, and the ice plug didn’t quite form, and TEPCO admitted there was water still coming into the trench from the turbine building. The water sitting in the turbine building comes from the reactor building after it cools the molten core somewhere in the building, and it is warm.
So TEPCO came up with Plan C.
What was Plan C? It was to fill the gap between the incomplete ice plug and the turbine building wall with fillers. TEPCO chose the combination of grout and concrete. A plug of ice, grout and concrete was formed. Sort of.
From TEPCO’s document uploaded at Nuclear Regulation Authority’s site on 11/21/2014, the plug – pink and light green in the diagram is grout (different types), dark green is concrete:
That failed, just as I predicted.
TEPCO finally admitted on November 17 that it was a failure after pumping out some 200 tonnes of this highly contaminated water on November 17 and seeing that the water level in the trench didn’t go down as much as they had calculated. The water was still coming in from the turbine building, and the groundwater was probably seeping in.
But not to worry. TEPCO has Plan D, and it has been already approved by Nuclear Regulation Authority.
So what is Plan D? To fill the trench with cement while pumping out the water that gets displaced (in theory) by the cement.
(Do you want to bet whether that is going to fail?)
From Mainichi English (11/18/2014), from the original Japanese article on 11/17/2014:
An effort to stop contaminated water from flowing into a trench at the crippled Fukushima No. 1 Nuclear Power Plant failed to completely halt the flow, announced Tokyo Electric Power Co. (TEPCO), the plant’s operator, on Nov. 17.
A TEPCO representative said, “We believe we have not completely stopped the water. Groundwater may also be entering the trench. We will closely analyze the changes in water level in the trench.”
TEPCO says that when around 200 tons of contaminated water was removed from the trench, the water level in the trench should have fallen by around 80 centimeters if the point of leakage between the plant’s No. 2 reactor turbine building and the trench had been fully sealed. However, the water level only fell by 21 centimeters, so TEPCO determined that the leak must be continuing.
…While the water remains in the trench, TEPCO cannot create a planned underground wall of frozen soil around the No. 1 through 4 reactor buildings to stop water leakages.
And this image from Tokyo Shinbun (11/21/2014):
and reference to Plan D:
トンネルから汚染水を少しずつ抜きながら、水中で薄く広がる特殊なセメントを流し込んでトンネルをふさぐ方法への切り替えを提案する
(TEPCO) will propose (to Nuclear Regulation Authority) a new method of plugging the trench by pouring in the special cement that spread thin and wide in the water while removing the contaminated water in the trench gradually.
Special cement?
TEPCO says in the document (page 9) they submitted to NRA that it will be a mixture of cement, fly ash and underwater-inseparable admixtures (セメント、フライアッシュおよび水中不分離混和剤などの配合調整). They will use the tremie concrete placement method.
(Do you want to bet whether that is going to fail?)
The NRA meeting on November 21, 2014 was funny without participants intending to be funny, from what I read in the tweets by people watching the meeting.
At one point, Commissioner Fuketa exasperatedly asked TEPCO representatives, “So what was the point of trying to freeze the water? Was freezing even necessary at all?”
The answer was no. TEPCO’s Shirai admitted (according to the tweet by @jaikoman on 11/21/2014) that there was a talk inside TEPCO that the ice plug was not necessary.
So why did they do it, and why did NRA approve it?
No one knows and no one is held accountable, while workers had to set up freezing pipes, then to pour ice, dry ice, grout, concrete, and to pump this highly contaminated water over the past 8 months in high radiation exposure. TEPCO hasn’t disclosed the radiation exposure for the workers.
Source: EXSKF
http://ex-skf.blogspot.nl/2014/11/fukushima-i-npp-plan-c-also-failed-in.html
Work starts to fill tainted underground tunnels
The effort is aimed at replacing the water with cement. The water is believed to be leaking into the nearby sea after mixing with groundwater.
Workers on Tuesday poured into the tunnels 80 cubic meters of cement that can solidify in water. The plant’s operator, Tokyo Electric Power Company, said the water did not overflow during the work.
The operator says it plans to check the effectiveness of the measure in about a month after suspending the work temporarily. It says if there are no problems, it will resume the work to finish it by March.
The firm initially planned to freeze water at the ends of the tunnels to stop inflow from reactor buildings, and remove the contaminated water. But the plan did not work. By last week, the utility had decided to adopt the new method.
Workers using the method are likely exposed to more radiation than under the original plan.
Powerful earthquake hits Japan
Powerful quake rocks Japan, 6- out of 7 on intensity scale — Officials warn of strong aftershocks, around 50 so far — Helicopters find “more extensive damage than earlier thought” — Major roads collapsed, buildings flattened — Witnesses: “Strongest ever felt… Shaking was enormous” (VIDEOS) http://enenews.com/powerful-quake-rocks-japan-6-7-intensity-scale-officials-warn-landslides-strong-aftershocks-50-helicopters-find-extensive-damage-earlier-thought-major-roads-collapsed-buildings-flattened?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+ENENews+%28Energy+News%29
Reuters: 6.8 [quake] jolted central Japan on Saturday evening… felt in the capital Tokyo 180 km away… an advanced party of Japan’s military had been sent… “the tremor was too strong to stand,” said… an NHK employee.
AP: Helicopter surveys on Sunday showed more extensive damage than earlier thought from an overnight earthquake… footage showed buildings in various states of collapse, some flattened and others leaning… and deep cracks in the roads… The quake was followed by more than 45 aftershocks… [Officials] urged residents to watch out for landslides.
Voice of America: A powerful 6.8-magnitude earthquake… halted high-speed train service, caused several major roads to collapse and shut down others because of landslides.
Xinhua: Nagano prefecture government has enforced the disaster relief law… [Officials] warned of possible strong aftershocks… the government has set up a disaster relief office.
AP: One of the strongest ever felt in recent years by residents… Ryo Nishino, a restaurant owner… “never experienced a quake that shook so hard… shaking was enormous.”… The earthquake was felt across much of northern Japan… the Meteorological Agency… warned of further aftershocks.
ABC Australia: 21 aftershocks in the 90 minutes following the quake [and] tremors continued… “an aftershock registering upper 5 could occur in the coming week,” an agency official said… The quake was felt in wide areas from [including] Tohoku in north-eastern Japan… train systems in… Tohoku, Yamagata, Akita, Joetsu and Nagano… temporarily stopped.
AFP: Footage showed flattened wooden houses… “It’s quite a strong earthquake for an inland one,” an official at the Japanese agency told a midnight press conference. “We are worried about the extent of damage to houses and buildings,” he said… police and municipal officials said they were still scrambling to collect information as they were operating in the dark… The meteorological agency warned strong aftershocks could still occur in the coming week.
NHK: Japanese officials warn of quake aftershocks — Officials at Japan’s Meteorological Agency are warning people to be on the alert for aftershocks in the days ahead after a magnitude 6.7 earthquake… The tremor registered intensities of 6-minus on the Japanese scale of 7.
Fox News: Fukushima is about 155 miles northeast of where Saturday’s earthquake occurred.
Video: NHK here | CBS here | Fox News here
After failures, TEPCO to use special cement to prevent contaminated water leaks
November 22, 2014
The operator of the crippled Fukushima nuclear plant plans to fill in trenches on the coastline in yet another attempt to prevent highly contaminated water from pouring into the sea.
Under the plan, approved by the Nuclear Regulation Authority on Nov. 21, Tokyo Electric Power Co. will inject a special cement mixture into the seaside trenches of the No. 2 and No. 3 reactors while pumping up radioactive water accumulating in them.
The special mixture does not absorb water so it can spread more easily along the bottom of the trenches, displacing the tainted water.
The new method will allow radioactive materials to remain in the surrounding soil, but TEPCO decided to employ the technique because it puts high priority on preventing massive amounts of highly contaminated water from leaking into the ocean.
This spring, TEPCO tried to stop the water influx at the trench for the No. 2 reactor by freezing the junction of the turbine building and the trench, but the operation was tough-going.
The company then attempted to stop the water inflow with a cement mixture, but was unable to do so completely.
Source: Asahi Shimbun
http://ajw.asahi.com/article/0311disaster/fukushima/AJ201411220029
TEPCO gives up on freezing tainted water
The tunnels have been inundated with water from the plant’s heavily contaminated reactor buildings.
Tokyo Electric Power Company, or TEPCO, this year began work to freeze water at the ends of the tunnels to block the inflow. The firm finished the work early this month.
But TEPCO officials found that water levels in the tunnels were still changing in sync with volumes in the reactor buildings.
The officials admitted to the Nuclear Regulation Authority on Friday that the tunnels hadn’t been plugged.
They said they’re giving up on the plan, and proposed pouring cement into the flooded tunnels while removing water from them. They said they want this done from late November.
The authority’s commissioners asked whether the new method can really halt the inflow. They also spoke of the risk of cracks forming in cement.
The authority approved TEPCO’s plan in the end, on condition that the procedure be halted in late December to see whether it’s working.
Commenting on the change, one commissioner asked what all the trouble over the past months was for.
Tepco fails to halt toxic water inflow at Fukushima No. 1 trenches
Nov 22, 2014
Tokyo Electric Power Co. admitted failure Friday in its bid to halt the flow of toxic water into underground tunnels alongside the ocean at the Fukushima No. 1 plant and said that it will try using a specially developed cement instead.
Some 11,000 tons of highly radioactive water have accumulated in the tunnels, trenches dug to house pipes and cables that are connected to the reactor 2 and 3 turbine buildings of the wrecked facility, according to Tepco.
There are fears that this toxic buildup, which is being caused by the jury-rigged cooling system and groundwater seepage in the reactor basements, could pour into the Pacific, which is already being polluted by other radioactive leaks. Groundwater is entering the complex at 400 tons a day.
Extracting the toxic water is a critical step in Tepco’s plan to build a huge underground ice wall around the four destroyed reactors to keep groundwater out.
Initially, Tepco sought to freeze the water in a section of tunnel connected to the No. 2 reactor building. This was intended to stop the inflow and allow the accumulated water to be pumped out. The utility said it took additional measures that also failed.
On Friday, Tepco proposed a new technique for the tunnels: injection of a cement filler especially developed for the task while pumping out as much of the accumulated water as possible.
Under the new method, however, it would be difficult to drain all of this water and some of it would be left behind, endangering plant workers, Tepco acknowledged.
Nevertheless, a Nuclear Regulation Authority panel of experts green-lighted the new strategy at a recent meeting. Some of the experts argued that Tepco should stick to the original plan and draw out all of the water. Others said giving up on it may hamper the construction of the ice wall.
Source: Japan Times
Japan’s very problematic law on removing nuclear waste for Fukushima Prefecture
Diet passes legislation to remove nuclear waste from Fukushima in 30 years http://ajw.asahi.com/article/0311disaster/fukushima/AJ201411200041 November 20, 2014 THE ASAHI SHIMBUN
The Diet passed a bill Nov. 19 mandating that radioactive soil and debris from the Fukushima decontamination work be moved outside the prefecture within 30 years, a step toward building interim storage facilities for the waste.
The law amendment was one of the five conditions set in September when the Fukushima prefectural government agreed to accept interim facilities to store contaminated waste collected during cleanup efforts around the crippled Fukushima No. 1 nuclear power plant.
Environment Minister Yoshio Mochizuki praised the legislation as a “major step forward.” However, hurdles remain high for the interim facilities–planned in Okuma and Futaba near the nuclear plant–to start accepting the waste in January as scheduled.
The bill amends a law regulating operations of the government-affiliated Japan Environmental Safety Corp. (JESCO), which is commissioned to dispose of used polychlorinated biphenyl (PCB).
The revised law stipulates the government will take necessary measures to remove waste from the prefecture for final disposal within 30 years after the interim facilities start operations. It also holds the government responsible for running the interim waste storage facilities and commissions JESCO to operate them.
Among the other conditions set by Fukushima Prefecture, the central government has agreed to earmark construction-related subsidies in its budget and take charge of the operation and maintenance of traffic routes for carrying in the waste.
One big problem for the government, however, is purchasing land for the facilities. The planned construction zone stretches 16 square kilometers, comprising 2,365 land plots belonging to individual owners.
As of the end of September, the government has located the whereabouts of only 1,269 landowners, partly because they live outside their properties as evacuees.
The government first plans to create temporary storage sites on individual land plots it purchases to start accepting radioactive waste there as early as possible. But it has not reached a purchase or lease agreement with a single landowner.
Taking into account this stumbling block, reconstruction minister Wataru Takeshita said Nov. 7 that the government’s plan to open the interim storage facilities in January will likely be pushed back.
(This article was written by Teru Okumura and Takuro Negishi.)
Radioactive slurry at Fukushima nuclear reactors would be a huge hazard, if it leaked out
Fukushima Daiichi Updates From IRID Part 3; Testing The Goo Simply Info, November 19th, 2014 (Good diagrams)
IRID has made some progress on their research to find ways to seal the containment structures at Fukushima Daiichi. The plan has been to flood the containment structures in order to provide shielding during the fuel removal procedures. Concern has been raised about the ability of these structures to hold the weight and pressure of that much water or how this would impact the structure during an earthquake. The structures are already severely damaged along with the many locations where they leak.
The current research effort is looking for ways to try to seal the leaks in each of the areas known to be a leak path for the containment structure. One aspect that has not been discussed is what would happen if these structures did have a failure and leak after flooding. It is known that the reactor containment structures contain some loose fragmented fuel and other highly radioactive debris. A major leak could let loose a considerable radioactive slurry that would need to be quickly contained and remediated………http://www.fukuleaks.org/web/?p=14136
Earthquake fault under Tsuruga nuclear reactor is active – say’s Japan’s Nuclear Regulator

Nuclear watchdog panel: Fault under Tsuruga reactor is active THE ASAHI SHIMBUN, 20 Nov 14
A fault line beneath the No. 2 reactor of the Tsuruga nuclear power plant is indeed active, an expert panel of the Nuclear Regulation Authority concluded Nov. 19, drawing criticism from the plant’s operator.
Japan Atomic Power Co. vowed to challenge the panel’s conclusion, which, if it stands, would force the company to decommission the reactor under new safety rules……..
The NRA’s assessment of the fault last year came when Kunihiko Shimazaki, a seismologist known for his tough attitude toward power companies, was a deputy chairman of the watchdog. Utilities and ruling coalition officials criticized Shimazaki over his “hurried conclusion” on the Tsuruga plant.
Although Shimazaki’s term ended in September and he was replaced, the NRA’s position on the fault was not overturned.
The fault line survey at the Tsuruga plant was originally started at the request of the now-dissolved Nuclear and Industrial Safety Agency.
Fault inspections are a separate process from the safety screenings required to restart reactors, so Japan Atomic Power can still submit an application to resume operations at the reactor.
However, NRA Chairman Shunichi Tanaka has said he would respect the expert panel’s conclusion when deciding whether to allow reactors to restart.
(This article was written by Chikako Kawahara and Daiki Koga.) http://ajw.asahi.com/article/0311disaster/fukushima/AJ201411200043
Yet another safety bungle in South Korea’s nuclear power
A fire occurred in the nuclear fuel storage facilities of the Kori Nuclear Power Plant located in Kijang County, Busan City, but none of the workers was aware of it for over an hour.
According to the Korea Hydro & Nuclear Power Corporation, the fire occurred at 4:26 p.m., Nov. 11, at Kori Power Plant Unit 4, burning up a waste dryer along with some gloves and towels. It is assumed that the dryer overheated and started the fire while drying wet gloves……….
Power Plant Attempts to Cover Up Reactor Shutdown
But this fire is only the latest incident at the Kori Nuclear Power Station this year.
This past summer was a busy time for Kori Nuclear Power Plant, as Unit 2 was shut off because of heavy rainfall. On Aug. 25, a localized torrential downpour of over 100 mm per hour in Busan City resulted in rainwater infiltrating one of its annexes, and the corporation had to close the facilities.
At that time, the corporation covered up the incident by saying, “We shut down the facilities just in case, and this has nothing to do with the safety of the power station.” However, the Nuclear Safety and Security Commission’s following report read, “The manual shutdown of the reactor was because of the malfunctioning of four of the circulation water pumps, attributable to the heavy rain.”
Radioactive water keeps entering Fukushima Daiichi tunnels while water is pumped out
Radioactive water to tunnels unlikely stopped http://www3.nhk.or.jp/nhkworld/english/news/20141118_03.html Nov. 17, 2014 The officials overseeing the decommissioning of the Fukushima Daiichi nuclear power plant say a barrier designed to prevent radioactive water from entering underground tunnels is likely not doing its job.
The decommissioning work includes a plan to remove highly-radioactive water from tunnels under the facility grounds and then fill them with concrete to prevent leaks to surrounding soil.
A barrier to hold out water during this process was under construction until November 6th.
On Monday, workers removed 200,000 liters of water, estimating that water levels in the tunnels would drop by 80 centimeters.
However, the levels went down by only 20 centimeters. This led officials to conclude that more water was likely entering the tunnels from the reactor building while water was being pumped out.
The officials considered the effects of radioactive water on ground water, and decided on a plan to fill tunnels in with cement before they are completely drained.
They say the operation will require carefully handling to prevent any overflow of contaminated water.
India being dudded by Westinghouse, GE and Areva on nuclear power program?
Globally, nuclear power is set to face increasing challenges due to its inability to compete with other energy sources in pricing. Another factor is how to manage the rising volumes of spent nuclear fuel in the absence of permanent disposal facilities. ……. nuclear power is in no position to lead the world out of the fossil fuel age.
False promise of nuclear power, THE HINDU, BRAHMA CHELLANEY 19
Nov 14
“…….Westinghouse, GE and Areva also wish to shift the primary liability for any accident to the Indian taxpayer so that they have no downside risk but only profits to reap. If a Fukushima-type catastrophe were to strike India, it would seriously damage the Indian economy. A recent Osaka City University study has put Japan’s Fukushima-disaster bill at a whopping $105 billion.
To Dr. Singh’s discomfiture, three factors put a break on his reactor-import plans — the exorbitant price of French- and U.S.-origin reactors, the accident-liability issue, and grass-roots opposition to the planned multi-reactor complexes. Continue reading
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