Vajiralongkorn Dam Was originally called Khao Laem Dam It is the first stone filling dam in Thailand that is coated with reinforced concrete. Located on the Kwai Noi River Is a multi-purpose dam with the main objective of generating electricity Built to block the Kwai Noi River in Tha Khanun Subdistrict Thong Pha Phum District Karnchanaburi The reservoir is located in Thong Pha Phum district and Sangkhla Buri district, Kanchanaburi. Construction started in March 1979 The dam has a capacity of 8,860 million cubic meters. The average amount of water flowing into the basin is 5,369 million cubic meters per year. Install 3 generators in the discharge area. The capacity of 100,000 kilowatts, total production capacity of 300,000 kilowatts, gives an average of 760 million kilowatt hours of electricity per year.