4Slow, lumpy capacity overshoots demand in three ways 85 40Area- and time-specific costs are important but not constant 6Vanishing economies of scale 136 12Minimizing regret as the uncertain future unfolds 83 37Distribution assets stand idle more than generation assets 9The forced-outage trap 156 20Solar and fossil-fuel technologies have opposite cost structures 28 19U.S. non-utility generating capacity commissioned 1920–1997 22 12Electricity prices have retreated 90 42The brittle grid 112 6