The proliferation of sensors—smart meters, motion detectors, infrastructure monitors—and the enormous amount of data they produce have created big opportunities to reduce energy waste. One set of research projects in this area helps utilities better match businesses and households with energy-saving programs by using smart meter data to segment customers based on consumption patterns. Another project develops inexpensive wind sensors and software to better integrate wind power. A third advances wireless technology, including channel modeling, multi-user communications, signal processing and system design for use in smart grids, automated highways and intelligent home electronics. Other research topics include learning algorithms for electricity-network forecasting and scheduling, and decentralized message passing to continously optimize a large network of distributed electricity sources and sinks.