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Gail Tverberg

Gail Tverberg

Gail Tverberg is a writer and speaker about energy issues. She is especially known for her work with financial issues associated with peak oil. Prior…

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The Current Situation with Uranium Supplies

Will uranium supply be adequate for planned nuclear electricity? This question has seen sharply differing views. The purpose of this post is to give an update, showing where we are now.

The supply situation is recently looking better, partly because of an increase in uranium supply from Kazakhstan and partly because of cutbacks in plans for new reactors in response to the Fukushima accident. Reactors are very long-lived, however, and providing sufficient long-term uranium supply when oil supply is declining due to peak oil may be a challenge.

World uranium production and demand
Figure 1. World uranium production and demand (Graph by World Nuclear Association)

Figure 1 shows a history of uranium consumption and uranium mined. The reason that supply from mines can be less than current uses is because some of the supply is from previously mined uranium.

One major program called Megatons to Megawatts uses recycled Russian bomb material to make low enriched uranium, thus reducing the amount of currently mined uranium needed to support nuclear power plants. This program will end in 2013, but there may still be some recycled bomb material for sale outside of this program. The concern a few years ago was that uranium supply would not rise enough to offset this supply shortfall.  As of the 2010, uranium mining is now producing 78% of current use–a big improvement over the situation a few years ago.

Uranium Supply and Prices

World uranium production by country
Figure 2. World uranium production by country, based on data of the World Nuclear Association.

Recent uranium production is higher because of increased production from Kazakhstan. Apart from Kazakhstan, production is flat or slightly declining. Kazakhstan claims that it has the ability to eventually ramp up production to 30,000 metric tons per year, but indicates it is planning an output plateau of 20,000 to 25,000 metric tons a year. Its production was 17,803 metric tons in 2010, so it is not too far from its planned plateau.

If Kazakhstan were the only source of new supply, there would likely still be a gap between demand and current production, because even at 30,000 metric tons, Kazakhstan wouldn’t by itself make up the shortfall, although it would come close, if no new reactors are opened. Besides Kazakhstan, there seems to be other new supply planned. From Australia we read:

YELLOWCAKE export out of Port Adelaide is poised to increase almost sevenfold over coming years.

About 5000 tonnes of uranium oxide, or yellowcake, is now shipped out of Port Adelaide, but a combination of new SA mines, the Olympic Dam expansion and new West Australian mines will lift exports to about 37,000 tonnes a year in about 15 years.

So the uranium / nuclear plant balance doesn’t look as bleak as a few years ago. Uranium production is now rising because of supply from Kazakhstan, and more production elsewhere is planned. One thing that is helping supply is higher prices.

EIA's average price of uranium
Figure 3. EIA's average price of uranium purchased operators of US nuclear reactors.

Prices are clearly substantially higher since 2008, and these higher prices seem to be stimulating supply. (Spot prices are now $54.25, or a little higher than recent average contract prices.) It takes several years for new mines to ramp up, so some of the higher price effect is not yet being felt.

At its current price, the cost of uranium is only a small share of the price of nuclear electricity. According to the World Nuclear Association, as of March 2011, uranium costs amounted to the equivalent to 0.77 cents per kWh, which is less than one-tenth of the typical sales price of electricity.  Because of this, there would seem to be “room” for uranium prices to rise further, without being a major obstacle to electricity sales.

US Uranium Production
Figure 4. US Uranium Production (Figure by EIA)

In the United States, uranium production has varied (Figure 4). Even at the higher production levels since 2006, uranium production is still very low compared to the amount the United States uses (Figure 5).

Portion of US Uranium Use from US Sources
Figure 5. Portion of US Uranium Use from US Sources (EIA Graph)

Demand for Uranium

Clearly, the adequacy of uranium supply depends partly on demand–how many reactors are being built or being taken off-line.

Nuclear power generation by part of the world
Figure 6. Nuclear power generation by part of the world, based on BP Statistical Data.

Figure 6 shows that electricity from nuclear power plants grew rapidly in the 1970s and 1980s. The number of new plants tapered off after the Three Mile Island accident in Pennsylvania in 1979, although ones in the planning stages at the time of the accident were still built.  Since 2004, nuclear electricity production has been on a bumpy plateau. Because of the lack in growth in nuclear use,  there has not been much need for new uranium production, except to offset the longstanding shortfall in uranium mined compared to current use.

Now, following the Fukushima accident in Japan (March 11, 2011),  countries are again rethinking their commitment to nuclear power generation. Germany has taken the biggest steps to date, closing eight of its older nuclear reactors permanently, and making plans to close the other nine by 2022. A referendum in Italy has rejected a plan to generate 25% of the country’s electrical power from nuclear by 2030. Switzerland has said it will not replace its five nuclear power plants when they reach the ends of their useful lives.

In the absence of changes because of the Fukushima accident, the World Nuclear Association information shows that a large number of nuclear facilities are under construction, planned or proposed. If all of the nuclear power plants that have been proposed are actually built, nuclear generating capacity would more than double from the 2010 level. Just adding the reactors that are under construction or planned would increase world nuclear electricity capacity by 62%.

The countries that are building new capacity include many non-OECD countries. The country with the largest number of planned facilities is China, with 26 reactors under construction, 52 reactors planned, and 120 reactors proposed, for a total of 198 reactors. If all of these were to be built, China would have approximately double the nuclear capacity that the US has today.  (The United States is currently the world’s largest producer of nuclear electricity.)

The two countries behind China in adding new reactors are Russia and India. Russia currently has 10 nuclear power plants under construction, 14 planned, and another 30 proposed, making a theoretical total of 54. India has 5 under construction, 18 planned, and 40 proposed, for a theoretical total of 63 new reactors. The list of countries planning new reactors is very long, and includes many from the “Emerging Markets,” including Bangladesh, Pakistan, Turkey, and Vietnam.

What seems likely to happen is that some OECD countries will scale back their nuclear power plans, and even take some off-line, after the Fukushima accident. It is not as clear that the rest of the world will take similar actions. Electricity use has been rising much more rapidly outside the OECD than in the OECD. As a result, many of the countries outside the OECD see a pressing need for new sources of electricity, and few other good options. I would expect that many of these countries will go forward with their nuclear plans if they can figure out the financing to make these plants feasible. They may find ways to cut corners (like putting them next to the ocean, with once-through cooling with sea water) to keep costs down. If planning is not good enough, short-cuts can raise accident possibilities, though.

We will have to wait and see how this all works out, in terms of implications for needed nuclear fuel. The situation doesn’t look as bleak as it did a few years ago because of new uranium sources, but adequate supply is not entirely a “done deal” either. In their 2001 study, “Analysis of Uranium Supply to 2050,” the International Atomic Energy Agency (IAEA) showed the graph I show as Figure 7 as their forecast of future uranium production. (The IEAE is now saying Latest Data Shows Long-Term Security of Uranium Supply, so it has backed off from the 2001 assessment shown in Figure 7.)


IEAE Uranium Supply Forecast
Figure 7. IEAE Uranium Supply Forecast from "Analysis of Uranium Supply to 2050"

Figure 7 shows the shape of curve a person would expect uranium supply to have–rising to a peak, and then declining, since it is a finite resource, like oil, or like copper. New sources of uranium supply will be helpful, but eventually mines will begin to deplete, and we will be faced with finding new sources. Instead of talking about finding “new Saudi Arabias of oil,” we may someday talk about the need for “new Kazakhstans of uranium.”

Besides finding additional uranium supply, there may be other “work arounds.” With nuclear energy, there is at least the possibility of reprocessing spent fuel, but suitable reprocessing facilities need to be built in advance, if this is the plan. There is also the possibility of thorium being used in some of the yet-to-be-built reactors, if the details of making thorium work can be figured out.

One question those building nuclear plants should be thinking about is, “What impact will peak oil have on uranium availability?” Theoretically, uranium production can go on as before, if there is sufficient oil for essential services (extracting the uranium, maintaining the roads, raising the food that the workers need to eat, and transporting the uranium to where it is used, for example). Whether or not this whole process can go on for the 50 or 60 year lifetime of reactors now being built is an open question. Adequate oil supply will also be needed during the period of decommissioning, and for servicing spent fuel, after the reactors close.

Previous Estimates

Back in 2009, Michael Dittmar and Brian Wang made a bet regarding how world uranium production would progress and how nuclear power generation would progress, with Michael Dittmar betting on the low side, and Brian Wang betting on the high side.

For the year 2010, it looks as though Brian Wang won both bets. Brian Wang bet that uranium production would be above  52,500 metric tons. World uranium production was 53,663 tons, so Brian was the winner.

With respect to electricity generated from nuclear energy, the dividing line between the two bets was 2,630 billion kWe. Actual generation was 2767 according to BP’s Statistical Review of World Energy, so again Brian is the winner.

There is no actual money changing hands with respect to this bet. The only prize I remember hearing about was a possible bottle of wine for me.

By. Gail Tverberg

Gail Tverberg is a writer and speaker about energy issues. She is especially known for her work with financial issues associated with peak oil. Prior to getting involved with energy issues, Ms. Tverberg worked as an actuarial consultant. This work involved performing insurance-related analyses and forecasts. Her personal blog is ourfiniteworld.com. She is also an editor of The Oil Drum.

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  • Anonymous on July 07 2011 said:
    Supply of uranium, albeit perhaps at high cost, will be adequate for some time for this reason: There's a lot of uranium in low-grade ores which aren't being utilized now because of economics. Why spend more for uranium from low-grade ore when its cheaper to use high-grade ore? Shale deposits that are now being hydraulically fractured for natural gas, have above-average concentrations of uranium. So we could get U. from that source. Current light water reactors use ~1% of the energy potential of uranium. Even that is possible only because of plutonium generated and fissioned in situ. If worse comes to worse, breeder reactors are technically doable. Its a matter of political will more than anything.

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