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Climate Change & 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.

Climate change is the greatest challenge facing the world today. Long-term development planning must now include measures to deal with it.

I

Insolation

A measure of the amount of solar radiation falling on a particular surface at a specific time.

Inverter

A device that converts direct current (DC) electricity to alternating current (AC).

Investment tax credit

A policy mechanism that allows investments in renewable energy to be fully or partially deducted from tax obligations or taxable income.