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Elemental Water Makers

Elemental Water Source

Elemental Water Source: plug & play solar off-grid desalination

OtherReverse osmosis desalination unit
EL
Fresh water production
4.3–100m3/d
Specific energy consumption
2.7–3kWh/m3
Rated power
4.5–81.8kW
Max feed water salinity (TDS)
40000ppm

Characteristics

4 of 4 fields · all sourced · retrieved 2026-10-23
Fresh water production
4.3–100m3/d
Specific energy consumption
2.7–3kWh/m3
Rated power
4.5–81.8kW
Max feed water salinity (TDS)
40000ppm

The Elemental Water Source is a plug & play, containerised reverse osmosis system that makes fresh water from seawater or brackish water using solar energy, for coastal sites without a grid connection. Its energy recovery technology reuses the saltier reject flow from the reverse osmosis process, which cuts electricity demand by up to 70% compared with traditional desalination, so the plant needs fewer solar panels. The treatment process runs without chemicals and with low brine salinity. Durable super duplex steel components, automation and remote monitoring keep maintenance to a minimum. Standard sizes cover 4,300 to 100,000 litres per day in 8 ft, 20 ft or 40 ft containers, and the manufacturer has supplied water in more than 35 countries since 2012.

Manufacturer datasheet (29)

Container size (4.300 liters/day)
8 ftft
Container size (10.000 liters/day)
8 ftft
Container size (20.000 liters/day)
20 ftft
Container size (50.000 liters/day)
40 ftft
Container size (100.000 liters/day)
40 ftft
Weight incl. container (4.300 liters/day)
2.600kg
Weight incl. container (10.000 liters/day)
4.300kg
Weight incl. container (20.000 liters/day)
6.500kg
Weight incl. container (50.000 liters/day)
13.700kg
Weight incl. container (100.000 liters/day)
27.500kg
Solar energy (4.300 liters/day)
4,5kW
Solar energy (10.000 liters/day)
10,3kW
Solar energy (20.000 liters/day)
17,8kW
Solar energy (50.000 liters/day)
40,3kW
Solar energy (100.000 liters/day)
81,8kW
Water generation rates (4.300 liters/day)
3-4€/m³
Water generation rates (10.000 liters/day)
1,5-2,0€/m³
Water generation rates (20.000 liters/day)
1,2-1,7€/m³
Water generation rates (50.000 liters/day)
1,0-1,5€/m³
Water generation rates (100.000 liters/day)
0,9-1,2€/m³
Water cost basis
investment, transportation, commissioning + training for maintenance, as well as the operational expenses for 15 years
Material
super duplex steel
Chemicals
does not require any chemicals to run
Energy saving vs traditional desalination
70% less energy%
Energy recovery
maintenance-free
Set-up time on arrival
in a matter of hours
Add-ons
Wi-Fi, Additional power, Smart Water Tap, Water Storage
Hybrid mode production (financial case)
11 m³/day in hybrid mode making use of grid or generator power during the nightm³/day
Average payback (financial case)
around 2.5 yearsyears

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