Oddly enough I watched a documentary about Nuclear plants a few days ago. It appears that nuclear plants can also be easily setup to conduct desalination— so in theory California could solve its power and water problems easily with a few nuclear plants.
Even if you didn’t want to have your water coming from a nuclear plant, the power from those plants could easily power desalination plants on the coast.
It's a hot commodity
Desalination
(Updated March 2020)
- Potable water is in short supply in many parts of the world. Lack of it is set to become a constraint on development in some areas.
- Nuclear energy is already being used for desalination, and has the potential for much greater use.
- Nuclear desalination is generally very cost-competitive with using fossil fuels. "Only nuclear reactors are capable of delivering the copious quantities of energy required for large-scale desalination projects" in the future (IAEA 2015).
- As well as desalination of brackish or sea water, treatment of urban waste water is increasingly undertaken.
It is estimated that one-fifth of the world's population does not have access to safe drinking water, and that this proportion will increase due to population growth relative to water resources. The worst-affected areas are the arid and semiarid regions of Asia and North Africa. A UNESCO report in 2002 said that the freshwater shortfall worldwide was then running at some 230 billion m3/yr and would rise to 2000 billion m3/yr by 2025. Wars over access to water, not simply energy and mineral resources, are conceivable.
Desalination
(Updated March 2020)
- Potable water is in short supply in many parts of the world. Lack of it is set to become a constraint on development in some areas.
- Nuclear energy is already being used for desalination, and has the potential for much greater use.
- Nuclear desalination is generally very cost-competitive with using fossil fuels. "Only nuclear reactors are capable of delivering the copious quantities of energy required for large-scale desalination projects" in the future (IAEA 2015).
- As well as desalination of brackish or sea water, treatment of urban waste water is increasingly undertaken.
It is estimated that one-fifth of the world's population does not have access to safe drinking water, and that this proportion will increase due to population growth relative to water resources. The worst-affected areas are the arid and semiarid regions of Asia and North Africa. A UNESCO report in 2002 said that the freshwater shortfall worldwide was then running at some 230 billion m3/yr and would rise to 2000 billion m3/yr by 2025. Wars over access to water, not simply energy and mineral resources, are conceivable.
A World Economic Forum report in January 2015 highlighted the problem and said that shortage of fresh water may be the main global threat in the next decade.
Fresh water is a major priority in sustainable development. Where it cannot be obtained from streams and aquifers, desalination of seawater, mineralised groundwater or urban waste water is required. A study in 2006 by the UN's International Atomic Energy Agency (IAEA) showed that 2.3 billion people lived in water-stressed areas, 1.7 billion of them having access to less than 1000 m3 of potable water per year. With population growth, these figures will increase substantially.
Water can be stored, while electricity at utility scale cannot. This suggests two synergies with base-load power generation for electrically-driven desalination: undertaking it mainly in off-peak times of the day and week, and load-shedding in unusually high peak times.
World Energy Outlook 2016 reported that in 2015, there were about 19,000 desalination plants worldwide, to provide water to both municipal and industrial users. Almost half of global installed desalination capacity was in the Middle East, followed by the European Union with 13%, the USA with 9%, and North Africa with 8%. Globally, seawater is the most common feedwater type, supplying about 60% of installed capacity, followed by brackish water at over 20%.
WEO 2016 also reported on energy consumption for desalination. The UAE used 556 TJ/yr, followed by Saudi Arabia 168 TJ/yr, Qatar 118 TJ/yr, and Kuwait 76 TJ/yr.
Cumulative investment in desalination plants reached about $21.4 billion in 2015 and is expected at least to double by 2020 according to a 2016 report by market analyst, Research and Markets. The report,
Seawater and Brackish Water Desalination, includes a prediction that investment by 2020 should top $48 billion showing a compound annual growth rate of 17.6%. The report assesses the market for large industrial or municipal facilities with a capacity greater than 1000 m³/day (m3/d). It highlights a growing gap between freshwater resources and demand from all sectors.
Nuclear desalination, the provision of clean water by desalination through the use of a nuclear reactor.
world-nuclear.org