Shuaiba desalination plants of Saline Water Conversion Corporation have received the largest desalination unit in the world working with Multi-effect distillation (MED) technology in order to exploit the excess steam and add 91,000 cubic meters per day of desalinated water to serve pilgrims this year 1439H. This comes in recognition of the importance of the fight against the waste of steam, which is no less important than water, making maximum use of the excess steam from the boilers of the Shuaiba plants , and using it to produce more desalinated water with high quality and efficiency.