Until then it could have been fired up at any point to supply power for the national grid.
The station closed in 1932 with the introduction of the national grid.
The excess power generated is sold to the national grid.
If we all generated small amounts of power it would take a significant pressure off the national grid.
Many are in areas so remote that they have no chance of being connected to their country's national grid for years to come.
There is a lighthouse that gets power from the national grid.
He receives electricity from the national grid just seven or eight hours a day.
In some cases, the excess power from these company plants can be sold to the national grid.
The situation came to a head on 24 January 2008 when the national grid was brought to near collapse.
Any surplus energy is sold to the national grid for public supply.
