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CHEAP ELECTRICITY FROM NUCLEAR REACTORS?


 


 


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Vol. XXXI No. 42 October 21, 2007

The Myth Of Free Nuclear Energy

Prabir Purkayastha .....

..........Myth number 3, nuclear power is going to be cheaper than coal as it has very low operating costs: There are layers of lies built into this statement. Yes, the operating cost of a nuclear plant is lower than that of coal fired plants. However, the cost of electricity comes not only from the operating cost but also its capital cost. We have to pay for the capital cost of the plants also in the electricity charges we pay as consumers. And for the record, the operating costs of nuclear plants are not as low as the proponents of nuclear power are making them out to be.

CAPITAL COST

Let us accept the argument that nuclear energy has low operating costs. The question is how much is the capital cost of imported reactor-based nuclear plants? And when we convert these capital costs to the cost that the consumer has to pay per unit of electricity, what will be that cost? The calculations are quite simple. When we build a plant, we put in some money, called equity and borrow the rest. This is called the debt equity ratio. According to Central Electricity Regulatory Commission's (CERC) norms, the debt equity ratio for thermal plants is 70:30, we need to put in 30 per cent of the total capital cost as equity and are allowed to borrow the rest. As per CERC guidelines, the return on equity allowed which comes out of the tariff the consumer pays is 14 per cent. The loans carry interests, and the interest charges also come out of the tariff. Lastly, there is plant depreciation, which is computed at 3.6 per cent of the plant cost. All these have to be included in calculating the tariff. If we take only these components into account and the cost of the plant as Rs 9 crore per MW (around $2000 per KW) and the accumulated interests during construction, in which period obviously there is no sale of electricity, the total capital cost including this interest is Rs 11.2 crore per MW. The cost of electricity using just the capital cost of the plant alone for imported reactors would be Rs 3.65 per unit as against the cost per unit from coal including the fuel and all other operating costs of Rs 2.20-2.60, depending on their distance from the coal mines. If we take plants at pit heads, the cost committed by Reliance for the Sasan Ultra Mega Power Project is only Rs 1.19. Even after using high cost imported coal, the cost of power from the Mundra Ultra Mega Power project is Rs 2.26!

If we take indigenous reactors, the capital cost of nuclear plants would be about two thirds of imported reactor based plants. Nuclear power from Indian reactors would cost therefore quite a bit less than that from imported reactors. Even then, it will besomewhat more expensive than that of coal fired plants. However, taking into account the long-term scenario, we need to keep nuclear option alive and should invest some money in nuclear energy, particularly to develop Indian technology further in this area.

OPERATING COST

The operating cost per unit from imported reactors is not as low as the UPA spokespersons are making it out to be. In the case of Kaiga, the operating cost including fuel, heavy water and other operating cost was computed by Nuclear Power Corporation to be Rs 1.48. If we add that to the cost of capital, the cost of electricity becomes Rs 5.13! This is more than twice that from coal fired plants. Therefore, the argument of cheap power from imported nuclear plant is just sheer hogwash.

Recently, the NPC CMD, has claimed that Kudankulam would not be Rs 3.50-3.75 as they had indicated earlier, but will be much lower. However, unless the
NPC comes clean on the basis of these calculations, we would consider it to be a statement to justify import of nuclear reactors. Kudankulam was a special case, with Russia agreeing to give us two reactors on soft loans and other concessional terms.

If we take the commercial reactors being built abroad, say the Finnish reactor being built by Areva, the French company, its price has already gone to more than $2,500 per KW (Rs 10 crore per MW), well above the figure we have taken above. And we have yet to see the final price of Kudankulam, which we will know only after it finishes construction. All international studies have used $2000 per KW as the base cost of nuclear plants. At these costs, the cost of electricity will be higher than any other source of electricity such as gas, coal or hydro. .......

S kumar

 
 jadugoda.jharkhand.org.in
 
   


--- On Sun, 5/31/09, Ravinder Singh
No Problem With Nuclear Power-Only KANTERS and SENS Troubled (C)
 
While NYT makes money selling stories of disasters, destructions, frauds and famine I don't know what Sen or Shrivastava get in forwarding them with unqualified comments. So I researched yet again contribution of nuclear power to USA – essentially because very minute data in tons is easily accessible and to silence anti American propagandists. 
 
Simple question they need answer – Will any country operate Nuclear Power Reactors at over 90% load factor if it is unsafe and expensive power? Initial costs are high because only one reactor of a design may be built in a year or two. Nuclear reactors don't need huge coal mines, long transportation of coal, storage pulverizing and burning in huge boilers. Nuclear Reactors can be sited many thousand kilometers from coal mines like Punjab. Operational costs of Nuclear Plants are extremely low.
 
In the following links you can see over 30 reactors are already planned in USA that will increase generation by around 40% to 50%.
 
http://www.nrc. gov/reactors/ new-reactors/ col/new-reactor- map.html
http://www.insc. anl.gov/pwrmaps/ map/world_ map.pdf
 
In a above map you can see most affluent regions around New York, most of Europe, Japan have substantial Nuclear Power Generation. Why because fossil power would create very substantial amount of CO2/NOX/SO2 emissions.
 
http://www.eia. doe.gov/emeu/ mer/pdf/pages/ sec7.pdf
 
In the above document you can see on page 5 Nuclear Power Generation was 383 BU in 1985 just before Chernobyl that has increased to 806 BU in 2008 increase of 110% in 24 years while Coal fired generation went up from 1402 BU to 1994 BU growth of 42% respective figures for gross generation are 2473 BU and 4110 BU increase of 66%. 
 
Most importantly Jan-Feb2009 Nuclear Power replaced Natural Gas as second source of power generation in USA and when Coal and Natural Gas backed down 350BU to 315BU and 131.8BU to 127.3 BU Nuclear Generation increased 135.8 BU to 137.7 BU.
 
New Reactors
 
Communist agents don't complain if it takes 5 years to build NANO Car by TATA but are quick to complain of any delay in commission new reactors. Cost over runs in developing a new technology is nothing new.
 
But nuclear reactors are different. New Commercial Reactors are also research reactors and most systems are designed first time. Unlike design of cars in design centers – reactors are designed and developed and tested on site.
 
A 1600 MWe reactor will produce over 600 BU units of electricity. Even $5b cost is less than a cent per unit capital cost. Average cost of electricity is 10 cents thus nuclear reactors are highly profitable to operate.
 
Ravinder Singh
May31, 2009
 
In Finland Nuclear Renaissance Runs Into Trouble
By JAMES KANTER
NYT May 29, 2009
 
OLKILUOTO, Finland — As the Obama administration tries to steer America toward cleaner sources of energy, it would do well to consider the cautionary tale of this new-generation nuclear reactor site.
 
The massive power plant under construction on muddy terrain on this Finnish island was supposed to be the showpiece of a nuclear renaissance. The most powerful reactor ever built, its modular design was supposed to make it faster and cheaper to build. And it was supposed to be safer, too.
 
But things have not gone as planned.
 
After four years of construction and thousands of defects and deficiencies, the reactor's 3 billion euro price tag, about $4.2 billion, has climbed at least 50 percent. And while the reactor was originally meant to be completed this summer, Areva, the French company building it, and the utility that ordered it, are no longer willing to make certain predictions on when it will go online.
 
While the American nuclear industry has predicted clear sailing after its first plants are built, the problems in Europe suggest these obstacles may be hard to avoid.
 
A new fleet of reactors would be standardized down to "the carpeting and wallpaper," as Michael J. Wallace, the chairman of UniStar Nuclear Energy — a joint venture between EDF Group and Constellation Energy, the Maryland-based utility — has said repeatedly.
 
In the end, he says, that standardization will lead to significant savings.
But early experience suggests these new reactors will be no easier or cheaper to build than the ones of a generation ago, when cost overruns — and then accidents at Three Mile Island and Chernobyl — ended the last nuclear construction boom.
 
In Flamanville, France, a clone of the Finnish reactor now under construction is also behind schedule and over budget.
 
In the United States, Florida and Georgia have changed state laws to raise electricity rates so that consumers will foot some of the bill for new nuclear plants in advance, before construction even begins.
 
"A number of U.S. companies have looked with trepidation on the situation in Finland and at the magnitude of the investment there," said Paul L. Joskow, a professor of economics at the Massachusetts Institute of Technology, a co-author of an influential report on the future of nuclear power in 2003. "The rollout of new nuclear reactors will be a good deal slower than a lot of people were assuming."
 
For nuclear power to have a high impact on reducing greenhouse gases, an average of 12 reactors would have to be built worldwide each year until 2030, according to the Nuclear Energy Agency at the Organization for Economic Cooperation and Development. Right now, there are not even enough reactors under construction to replace those that are reaching the end of their lives.
 
And of the 45 reactors being built around the world, 22 have encountered construction delays, according to an analysis prepared this year for the German government by Mycle Schneider, an energy analyst and a critic of the nuclear industry. He added that nine do not have official start-up dates.
 
Most of the new construction is underway in countries like China and Russia, where strong central governments have made nuclear energy a national priority. India also has long seen nuclear as part of a national drive for self-sufficiency and now is seeking new nuclear technologies to reduce its reliance on imported uranium.
 
By comparison, "the state has been all over the place in the United States and Europe on nuclear power," Mr. Joskow said.
 
The United States generates about one-fifth of its electricity from a fleet of 104 reactors, most built in the 1960s and 1970s. Coal still provides about half the country's power.
 
To streamline construction, the Nuclear Regulatory Commission in Washington has worked with the industry to approve a handful of designs. Even so, the schedule to certify the most advanced model from Westinghouse, a unit of Toshiba, has slipped during an ongoing review of its ability to withstand the impact of an airliner.
 
The Nuclear Regulatory Commission has also not yet approved the so-called EPR design under construction in Finland for the American market.
 
This month, the United States Energy Department produced a short list of four reactor projects eligible for some loan guarantees. In the 2005 energy bill, Congress provided $18.5 billion, but the industry's hope of winning an additional $50 billion worth of loan guarantees evaporated when that money was stripped from President Obama's economic stimulus bill..
 
The industry has had more success in getting states to help raise money. This year, authorities permitted Florida Power & Light to start charging millions of customers several dollars a month to finance four new reactors. Customers of Georgia Power, a subsidiary of the Southern Co., will pay on average $1.30 a month more in 2011, rising to $9.10 by 2017, to help pay for two reactors expected to go online in 2016 or later.
 
But resistance is mounting. In April, Missouri legislators balked at a preconstruction rate increase, prompting the state's largest electric utility, Ameren UE, to suspend plans for a $6 billion copy of Areva's Finnish reactor.
Areva, a conglomerate largely owned by the French state, is heir to that nation's experience in building nuclear plants. France gets about 80 percent of its power from 58 reactors. But even France has not completed a new reactor since 1999.
After designing an updated plant originally called the European Pressurized Reactor with German participation during the 1990s, the French had trouble selling it at home because of a saturated energy market as well as opposition from Green Party members in the then-coalition government.
 
So Areva turned to Finland, where utilities and energy-hungry industries like pulp and paper had been lobbying for 15 years for more nuclear power. The project was initially budgeted at $4 billion and Teollisuuden Voima, the Finnish utility, pledged it would be ready in time to help the Finnish government meet its greenhouse gas targets under the Kyoto climate treaty, which runs through 2012.
Areva promised electricity from the reactor could be generated more cheaply than from natural gas plants. Areva also said its model would deliver 1,600 megawatts, or about 10 percent of Finnish power needs.
 
In 2001, the Finnish parliament narrowly approved construction of a reactor at Olkiluoto, an island on the Baltic Sea. Construction began four years later.
Serious problems first arose over the vast concrete base slab for the foundation of the reactor building, which the country's Radiation and Nuclear Safety Authority found too porous and prone to corrosion. Since then, the authority has blamed Areva for allowing inexperienced subcontractors to drill holes in the wrong places on a vast steel container that seals the reactor.
 
In December, the authority warned Anne Lauvergeon, the chief executive of Areva, that "the attitude or lack of professional knowledge of some persons" at Areva was holding up work on safety systems.
 
Today, the site still teems with 4,000 workmen on round-the-clock shifts. Banners from dozens of subcontractors around Europe flutter in the breeze above temporary offices and makeshift canteens. Some 10,000 people speaking at least eight different languages have worked at the site. About 30 percent of the workforce is Polish, and communication has posed significant challenges.
Areva has acknowledged that the cost of a new reactor today would be as much as 6 billion euros, or $8 billion, double the price offered to the Finns. But Areva said it was not cutting any corners in Finland. The two sides have agreed to arbitration, where they are both claiming more than 1 billion euros in compensation. (Areva blames the Finnish authorities for impeding construction and increasing costs for work it agreed to complete at a fixed price.)
Areva announced a steep drop in earnings last year, which it blamed mostly on mounting losses from the project.
 
In addition, nuclear safety inspectors in France have found cracks in the concrete base and steel reinforcements in the wrong places at the site in Flamanville.
 
They also have warned Électricité de France, the utility building the reactor, that welders working on the steel container were not properly qualified.
 
On top of such problems come the recession, weaker energy demand, tight credit and uncertainty over future policies, said Caren Byrd, an executive director of the global utility and power group at Morgan Stanley in New York.
 
"The warning lights now are flashing more brightly than just a year ago about the cost of new nuclear," she said.
 
And Jouni Silvennoinen, the project manager at Olkiluoto, said, "We have had it easy here." Olkiluoto is at least a geologically stable site. Earthquake risks in places like China and the United States or even the threat of storm surges mean building these reactors will be even trickier elsewhere.
 
Matthew L. Wald contributed reporting from Washington.
 

 


 


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