A utility sends phone alerts when wind power is cheap. A builder sells “zero bill” houses. They’re among several experiments to redefine how people value electricity. A utility sends phone alerts when wind power is cheap. A builder sells “zero bill” houses. They’re among several experiments to redefine how people value electricity. Global Warming, Greenhouse Gas Emissions, Alternative and Renewable Energy, Wind Power, Solar Energy, Energy and Power, Politics and Government, Regulation and Deregulation of Industry, Sustainable Living, Labour Party (Great Britain), Great Britain NYT > Science