In recent years several global blackouts have drawn a lot of attention to security problems in electric power transmission systems. Here we analyze the cascading failure in complex power networks based on the local preferential redistribution rule of the broken node’s load, where the weight of...

Two huge blackouts, occurred separately on 30 and 31 July 2012 in India, spread over half the country when three of its five regional grids collapsed, leaving hundreds of millions of people without government-supplied electricity and ringing once again alarm bells with security problems in...

Improving the aggregate energy efficiency is consequential for China's sustainable development and carbon dioxide reduction, but there lacks a systematic analysis of China's energy intensity long-term changes. China's energy intensity fell sharply by 74.7% with great heterogeneity across regions...