1The network of high-voltage power lines between major power stations.
More example sentences
- Right now Lewis is connected to the national grid by a one-way powerline that enters the water at Ardmore bay on Skye.
- When Fawley power station is on-line it supplies 500 megawatts to the national grid - that's more or less enough power to keep Southampton alight.
- National Grid revealed today that the power line was now carrying electricity to supply the national grid.