July 5th, 2024

Desalinating Water Is Becoming "Absurdly Cheap"

Desalination costs decrease globally, with Israel leading at 25% desalinated water. UAE relies solely on desalination, driving Dubai's growth. Costs dropped from $0.75 to 1.56 minutes of labor in 2022.

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Desalinating Water Is Becoming "Absurdly Cheap"

Desalination of water is becoming increasingly cost-effective, as highlighted by Elon Musk during an interview with Bill Maher. Globally, only 1% of drinking water is desalinated, but in Israel, this figure is around 25%. Israel's Sorek B plant can desalinate water for $0.41 per cubic meter, translating to about a penny per 6.4 gallons. The United Arab Emirates relies entirely on desalinated water for its municipal supply, with Dubai flourishing due to desalination technology. The cost of desalination has significantly decreased over the years, from $0.75 per cubic meter in 2012 to a mere 1.56 minutes of unskilled labor wage in 2022. The efficiency of desalination technology has been rapidly increasing, with water abundance doubling every seven years. This progress showcases how innovation and knowledge are transforming water scarcity into abundance, emphasizing humanity's ability to adapt and thrive through technological advancements.

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By @gcanyon - 3 months
Some quick googling says that the average person in the U.S. uses about 100 gallons per day directly, and about 1,000 gallons per day total (including all usage). That means the U.S. could replace all water usage for less than $1 billion per day.

In particular, that means the U.S. could solve the Colorado river allocation issue for about $10 billion per year.

By @Sol- - 3 months
Where does all the brine go currently? The countries most dependent on desalination currently at least seem to have plenty of desert space available to dump it, but I do wonder if it might reach volumes that are difficult to manage once desalination becomes more widespread.

Though perhaps dumping it back into the ocean is the correct thing to do, because the extracted fresh water will eventually also stream back into the ocean via the normal water cycle.

By @dsq - 3 months
Desalination is a blessing but it also increases the dependence of the population on technical infra for daily survival. If something were to happen to the desalination plants, that's no water, immediately (in the UAE case, for example).
By @kkfx - 3 months
Well... The issue is that produced water is not much healthy to drink, not "salty" but "near salty". The "full desalination" it's much more expensive and limited in output, also involving washed clean sand to produce good mineral water...
By @dmazin - 3 months
“HumanProgress.org is a project of the Cato Institute“
By @carlosjobim - 3 months
There is no lack of natural drinkable water and never will be. But it's an important agenda to convince people that there is. Why? I don't know, probably for power over other people.

I'm from a pace where there's an absurd amount of naturally occurring clean water and even there they are pushing this false agenda.

If people decide to live where there is no water, that's not a global problem, that's a people problem.