Seawater desalination technologies in micro grids: an incorporated planning approach

September 1, 2012

Islands like Kingdom of Bahrain often accept the idea of how important fossil fuels for power generation which eventually contribute to produce from one way or another to produce desalinated water. Due to the combined effect of high oil prices and other costs, energy supply systems based on renewable energies are already able to compete successfully with fossil fuel systems. Depending on local and regional conditions, not only energy supply is a challenge, but also making of a reliable supply of water. A promising alternative to freshwater shipments is seawater desalination. Desalination processes can act whenever excess electricity generated by renewable sources is present.  Considering renewable energy sources like wind and solar radiation, energy storage technologies, and desalination processes, various options are introduced and experimented and literatures are full of such ideas and scenarios.   The chances for economics of water production may be introduced and researchers from now and so on have to bear in mind the importance of economics when switching the resources to produce water using desalination technology. So the extension of the current energy supply system with renewable energy technologies reduces power generation costs by approximately 45%. The excess energy generated by renewables can supply a momentous share of a desalination plant’s energy require. The levelized costs of electricity and water in many articles and literatures show that the integration of desalination as a deferrable load is advantageous to the considered micro grid.  Accordingly the implementation of renewable energy generation and desalination technologies as deferrable load is advocateable. Possible refinancing strategies depending on the combination of different electricity and water tariffs could be derived and functional to similar big business cases in remote regions.

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