Those conditions can also be caused by an unexpected power failure or a generating unit that breaks down on the local grid, she said.

The shells power all the Exchange's plant, and also provides a small surplus that is fed into the local grid.

Some of the excess electricity is fed back into the local grid.

Excess electricity can be sold to suppliers or put into the local grid.

The gas will drive turbines to generate electricity for the local grid.

The spinning machine was draining the local grid on which all machines fed, turning the energy into heat and noise.

This also allows residents to charge cell phones and other small appliances without having to depend on power from the local grid.

Until the mid-1990s, this apparatus was still generating electricity and feeding it into the local grid.

The electricity generated will be fed back into the local grid.

One third of the new capacity was allocated to the local grid through a power purchase agreement.