Dusting off the Atom Nuclear Energy Futures Steven
- Slides: 31
Dusting off the Atom: Nuclear Energy Futures Steven Biegalski, Ph. D. , P. E. Director, Nuclear Engineering Teaching Laboratory Associate Professor, Mechanical Engineering
Outline �Energy Policy Act of 2005 �What has changed in the last 25 years? �Common questions about nuclear power �Future plans for nuclear �Nuclear Power Plant Basics �Conclusions
Energy Policy Act of 2005 �The Energy Policy Act of 2005 had specific provisions to encourage the development of nuclear power in the United States �Some specific examples: �Liability limits �Cost-overrun support �Tax credits �Research and development �Steps up Do. E work to address high-level waste problem.
What has changed in the last 25 years? � Growth – Energy Demands �In US Total electricity sales increase by 29 percent in the AEO 2008 reference case, from 3, 659 billion kilowatthours in 2006 to 4, 705 billion in 2030, at an average rate of 1. 1 percent per year. (Energy Information Association) �Worldwide increase by 50 percent from 2005 to 2030. � Nuclear industry capacity factor up to 90% � Increased Environmental Awareness (e. g. , Global warming) � World politics � Reduction in dependence on foreign countries for energy � Cost – “Days of cheap energy sources are behind us. ” � No new accidents � Increased operational efficiency of nuclear power
Growth
U. S. Nuclear Plant Capacity Factor Source: Energy Information Administration Updated: 5/10
Increased Environmental Awareness Per capita CO 2 emissions. http: //en. wikipedia. org/wiki/Image: GHG_per_capita_2000. svg
Carbon Footprints
Reduction in dependence on foreign countries for energy
Cost Data from U. S. Do. E
OECD electricity generating cost projections for year 2010 Nuclear Coal Finland 2. 76 3. 64 France 2. 54 3. 33 Germany 2. 86 3. 52 Switzerla 2. 88 nd Netherlan 3. 58 ds Czech 2. 30 2. 94 Rep Slovakia 3. 13 4. 78 Romania 3. 06 4. 55 Japan 4. 80 4. 95 Source: OECD/IEA NEA 2005. Korea 2. 34 2. 16 Gas 3. 92 4. 90 4. 36 6. 04 4. 97 5. 59 5. 21 4. 65
Common questions about nuclear power �What is the nuclear waste problem? �What is the nuclear proliferation risk? �How much uranium is left? �How much radiation comes from a nuclear power plant? �How much water does a commercial nuclear reactor consume?
Nuclear Waste � Nuclear reactors produce nuclear waste. � Waste is produced throughout the entire fuel cycle. � The high-level waste (spent nuclear fuel) is the primary concern. � Disposal is being paid for by a combination of a tax on each kilowatt hour of nuclear power.
Yucca Mountain �On June 3, 2008 DOE submitted a license application to the NRC for Yucca mountain. �The NRC now has a statute time limit of 3 to 4 years to complete its safety analysis and public hearings. �In 2010 DOE withdrew its application for Yucca Mountain licensing.
Reprocessing
Nuclear Non-Proliferation � Nuclear proliferation is a term now used to describe the spread of nuclear weapons, fissile material, and weaponsapplicable nuclear technology and information, to nations which are not recognized as "nuclear weapon States" by the Treaty on the Nonproliferation of Nuclear Weapons, also known as the Nuclear Nonproliferation Treaty or NPT.
Nuclear Non-Proliferation? �Things to be done: �Control of world-wide nuclear fuel cycle. �Monitoring of nuclear activities. �Proliferation resistant fuels and fuel cycles.
Uranium Resources �The Organization for Economic Cooperation and Development (OECD) and the International Atomic Energy Agency (IAEA) in 2005 jointly produced a report on uranium resources. The report states that uranium resources are adequate to meet the needs of both existing and projected reactors.
Uranium Resources
Radiation
Water Resources �Nuclear power plants consume water through water vapor emissions. �This water is from a condenser loop that does not run through the reactor core. �Electricity generation accounts for 3. 3 % of water consumption in U. S. . � 6. 7 % for residential use
Future Plans for Nuclear �Nuclear power capacity worldwide is increasing steadily but not dramatically, with about 35 reactors under construction in 12 countries. �Most reactors on order or planned are in the Asian region, though plans are firming for new units in Europe, the USA and Russia. �Significant further capacity is being created by plant upgrading.
Location of Projected New US Nuclear Power Reactors http: //www. nrc. gov/reactors/new-reactors/col/new-reactor-map. html
World Growth for Nuclear Power Data from U. S. Do. E
Nuclear Power Plant Basics �The basic premises for the majority of power plants is to: � 1) Create heat � 2) Boil Water � 3) Use steam to turn a turbine � 4) Use turbine to turn generator � 5) Produce Electricity �Some other power producing technologies work differently (e. g. , solar, wind, hydroelectric, …)
Nuclear Power Plants use the Rankine Cycle
Heat From Fission
Fission Chain Reaction
PWR
BWR
Conclusions �World-wide demand for electricity continues to grow. �Environmental concerns play a part in selecting electricity sources to meet the demand. �Nuclear energy will play a vital role in the production of electricity for the foreseeable future.
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