As part of a wider reform of its energy market, Mexico is privatizing its energy regulator and will begin allowing private companies to sell energy to, and add capacity to, its electricity grid. The country’s president, Enrique Peña Nieto, enacted the laws (English summaries) on Monday, August 11th (Spanish pdf). Petroleum and electricity have been state monopolies in law since the 1917 constitution and in practice since the late 1930s, when Mexico succeeded in expropriating foreign energy firms’ holdings.