This construction, together with an expansion of the existing PP 9 facility, made Riyadh the largest crude oil-fired power plant in the world. Arabian Bemco Contracting Company was awarded the project by SEC. Works Started in 1995, and is fully online since August 2008. Installed 56 GTG and 4 STG units in blocks A, B, C, D, E & F totalling 4,500 MW.