The first of these, the European Synchrotron Radiation Facility, was completed in 1992. Funded by various nations in the European Union, it is located in France and has ring operating energy of 6 GeV. The following year the second third-generation accelerator, the Advanced Light Source at the Lawrence Berkeley Laboratory, was completed. Funded by the US government, it has ring operating energy of 1.9 GeV.
第一座第三代同步輻射加速器於一九九二年完工啟用，它是由歐洲各國合資興建的，位於法國，能量為六十億電子伏特；次年完成的第二座，則是由美國政府出資，在加州柏克萊建造的「先進光源」，能量為十九億電子伏特。