Sacramento Bee: In the summer heat, Rockney Compton’s spring-fed koi pond doubles as a swimming hole for his three kids, and in the spring it is a water bowl for his dogs. The pond is a centerpiece for an almost postcard-worthy vista of green, tree-lined hills near Round Mountain, a quiet stretch of Northern California’s Shasta County. What keeps this landscape shy of perfect are the high-voltage power lines that cut through Compton’s property, built in the 1960s to funnel electricity from …