Letter: G

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Generator step-up unit (GSU)

A large power transformer that increases voltage output from power generators to higher levels for efficient, long-distance transmission across the power grid.

Grid

A vast, interconnected network for the delivery of electricity from producers to consumers.

Gigawatt (GW)

A unit of power for measuring the rate at which energy is used or generated. One gigawatt (GW) is equal to one billion watts.

Generator

A machine that converts a rotational mechanical energy into electrical energy.

Generation

The process of transforming various energy sources into electricity.