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Climate Change & Energy: Renewable energy

Definitions

Below is a directory of terms used in discussions about solar power. Most of the terms have been reproduced from the International Energy Agency, the UN Environment Programme or the US Department of Energy.

G

Grid-connected solar system

A solar system that is connected to the central electrical grid. This system does not require batteries and is mainly used to offset the energy supplied by the mains electricity grid, or to supply power to the grid. Also called on-grid system or grid-interactive system.

Grid parity

Occurs when the cost of electricity from a renewable energy source is equal to the cost of grid electricity at the point of connection.