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New contract for winddriven desalination in Bonaire

SolteQ Energy received a contract from Mi Sapatu on Bonaire for the supply of a FreshWaterMill windmill driven desalination plant. This is used to provide an area only served with water trucks with safe water for a chicken farm and the development of agriculture on site.


Bonaire is a very dry island with periods of 8 months without rain, but the soil is very fertile and can be used for agriculture if there is enough water throughout the year.

Parts of the island are not connected to a water supply and the water trucks that drive around are expensive and not always reliable.

The DutchFreshWaterMill installation makes use of the trade wind by converting the wind energy very efficiently to power the desalination installation and to help with the self-sufficiency of Bonaire in which Mi Sapatu wants to play a leading role. The water produced will initially amount to an average of 70 m3 / day, which is a giant step forward (54x) compared to the current 9 m3 / week that is supplied via the water trucks. The desalination installations supplied are from Lenntech and Hatenboer-Water.


For SolteQ Energy, this is a great project to have a working model in the Caribbean, where there is a need for affordable water everywhere.


For SolteQ Energy this means a welcome step out of the Corona dip.

On the photo: Managing Director Nadine Emerenciana on the location where the windmill and the reserve osmosis are coming

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Contract  in Cape Verde

XS2Solar based in The Hague and Solteq Energy bv based in Leeuwarden have jointly received a contract for a windmill and water desalination project in Cape Verde, Sao Vincente for a shrimp farm Fazenda de Camarao. It concerns a revised Lagerweij windmill (80 kW) and a reverse osmosis system from Hatenboer-Water (24 m3 / day water).

The shrimp farm would like to function more sustainably and be less dependent on the local energy company.

XS2Solar / SolteQ have also received a subsidy from Unido (United Nations International Development Organization) together with the GEF (Global Environment Facility) for sustainable projects in Cape Verde, of which this is the first and probably more projects will follow.

The entire installation will be commissioned in early 2021.

Participation in new start-up Fryslânwind

A promising new technology of a very efficient small vertical windmill has been established in Jutrijp, called Fryslânwind bv.

These mills (2,5 kW) have been in operation satisfactorily for more than a year in the past and they proofed to be one of the few small wind mills to have a good return. However after a year there were some technical flaws that did not affect the basic design, but that had to be resolved. That’s done now, so, there are the parts available for 4 to 8 systems and in Jutrijp is one system running.  And the blueprints for the development for a 15 kW systems are ready.

These systems are perfect for a number of applications: storage of water to higher levels (so called water battery), sustainable water pumping stations, lowering the CO2 footprint for buildings and mobile generators, etc.

The mills blend into the landscape, are quiet, have very low vibrations and can meet local requirements of a maximum height of 15 meters.

SolteQ Energy bv focusing on wind driven water solutions is participating in this start-up for 10%. The original developer of the system Dick Sidler is participating in the start-up as well.

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