The second benefit of building a new dam. The dam can produce electricity. The dam is alternate source of electricity. For example , Bhumibol Dam in Tak , Sirindhorn Dam in Ubonratchathani , Sirikit Dam in Uttaradit , Srinakharin Dam in Kanchanaburi , Wachirarongkorn Dam in Kanchanaburi and Ubolratana Dam in Khon Kaen. It can supply light and electricity when there is a shortage of energy , which increase people welfare.