When a teen turns 18, he/she is transferred to the main (adult) grid.

"That lightning bolt must have hit the main grid."

I think it's something about the main grid.

They say the plan is still too vague on how regional energy companies will be split off from the main grid.

The electricity generated in all the stages is delivered to the main electrical grid.

Now regrouped, the survivors head to the power plant to reset the main grid.

Turbines produce electricity for the main grid, during peak periods.

People aged 13-15 are allowed onto the main grid only via a school project or other related program.

Its functionality is similar to Second Life's main grid.

Occasionally, Newser will promote user stories to the main grid.