The grid was created with 4,000 miles of cables-mostly overhead cables, linking the 122 most efficient power stations, and was completed in September 1933, ahead of schedule and on budget.
The grid was created with 4,000 miles of cables-mostly overhead cables, linking the 122 most efficient power stations. The first "grid tower" was erected near Edinburgh on 14 July 1928, and work was completed in September 1933, ahead of schedule and on budget.