BANGKOK: Thai power producer Gulf Energy Development on Thursday (Nov 25) said its consortium had signed a deal worth 30.9 billion baht (US$927 million) with the country's port authority for construction and operation of container terminals. The firm, among the country's largest private power producers, is owned by Thai billionaire Sarath Ratanavadi and has been investing billions of dollars to expand its infrastructure business. "Gulf will use accumulated experience in developing and managing large-scale infrastructure projects in Thailand and overseas to develop the port," said Gulf Energy senior executive, Ratthaphol Cheunsomchi.