Shuaibah Two Water Development Project Co. (STPC) is a reverse osmosis desalination plant. It was developed and owned 100% by ACWA Power as the first major infrastructure project owned by private sector in Saudi Arabia. STPC has capacity of 250,000 m3 per day of desalinated water for the sake of our off-taker Saudi Water Partnership Company to supply water to meet the needs of more than one million residents in Jeddah, Mecca, Taif and Baha.