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Legislative Assembly for the ACT: 2010 Week 14 Hansard (Thursday, 9 December 2010) . . Page.. 6183 ..


(1)

With respect to traffic lights:

There are three types of traffic signal lanterns used in the ACT:

• Light Emitting Diodes (LEDs) - the most energy efficient and used at 29% of installations;

• Quartz-Halogen lanterns - less energy efficient and used at 43% of installations; and

• Tungsten Filament (Incandescent) lanterns - the least energy efficient and used at 28% of installations.

With respect to street lights:

As at 30 June 2010 there were 72,210 public street lights installed in the ACT. The table below represents the percentage of street light by category:

Lamp Type

Percentage

Mercury Vapour

25%

High Pressure Sodium

57%

Metal Hallide

9%

Other

9%

To date LED’s have not been introduced into the street light network. The manufacturers’ claimed life ratings (50-100,000 hours) for LED operation cannot be substantiated due to lack of installed data.

(2)

With respect to traffic lights:

The current arrangement is that when existing traffic signal lanterns come to the end of their design life they are replaced with LEDs.

With respect to street lights:

The ACT Government has committed $513,000 towards capital upgrades of energy efficient lighting in 2010-11.

In the past three years, 7,157 mercury vapour fittings have been removed from the street light network and replaced with energy efficient street light globes and fittings.

(3)

With respect to traffic lights:

Since October 2004 the policy has been that all new traffic signal installations and all major signal upgrades shall use LED lanterns.

With respect to street lights:

For street light maintenance, where lights are replaced, new energy efficient

light fittings are used.


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