Sistema Interconectado del Norte Grande


The Sistema Interconectado del Norte Grande or SING is an alternating current power grid serving the Norte Grande zone of Chile, it produces 19% of the national power generation. The SING covers the three northernmost regions of Chile including Arica y Parinacota, Tarapacá and Antofagasta Region.
As of December, 2011, it has a total installed capacity of 4,550 MW