In NSW, the state government has already made moves to eliminate power hungry lighting in residential buildings and a number of builders and installers have been forced to shift to new power-saving technologies such as LEDs.
LED or a light-emitting diode is a semiconductor diode that emits incoherent narrow-spectrum light in the form of electroluminescence.

The color of the emitted light depends on the composition and condition of the semiconducting material used, and can be infrared, visible, or ultraviolet.

LEDs can also be used as a regular household light source and also in application such as retail displays and signs.
According to one LED distributor, Spectrum Lighting, recent technical advances have dramatically improved the reliability and the performance of LEDs since they were invented in the 1960s.

The lifetime for the new generation of LEDs is about 100,000 hours of use, or 30 to 40 years of normal operation. As they are a semiconductor device, they are also very rugged and are not subject to fail when dropped or vibrated as are incandescent or fluorescent lights.

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