Lower Yellowstone Rural Electric Association signed an agreement to deploy Gridstream PLX, Landis+Gyr’s power line carrier system for advanced metering and grid management. L+G says Gridstream PLX provides greater data capacity than legacy PLC systems, for delivering 15-minute interval data continuously from each meter on the network. Sidney, Mt.-based Lower Yellowstone REA is a cooperative serving residents of northeastern Montana and parts of North Dakota. The deployment is scheduled to begin this spring.