Sunday 18 November 2012

News from Nova Scotia

Factor of 10 energy saving by the OilDrum's efficiency expert, HereinHalifax:

I'd like to provide an example of the energy saving potential within the commercial sector, if I may: a local bicycle shop recently moved into their new location and hired an interior designer to give the store a more up-scale look. Here's what she selected for their showroom lighting:

  1. Wall displays: 32 x 50-watt GU10 halogens = 1,600-watts
  2. Recessed cans: 11 x 50-watt MR16 halogens = 550-watts
  3. Display pendants: 3 x 100-watt A19 incandescents = 300-watts
  4. Decorative pendants: 33 x 100-watt A19 incandescents = 3,300-watts
Total connected load: 5,750 watts.

And here's what we did for this client:

  1. Wall displays: 32 x Philips 5.5-watt AmbientLED GU10s = 176-watts
  2. Recessed cans: 11 x Philips 10-watt EnduraLED MR16s = 110-watts
  3. Display pendants: 3 x Philips 12-watt EnduraLED Short Neck PAR30 = 36-watts
  4. Decorative pendants: 33 x Philips 9.7-watt L-Prize A19s = 320-watts
Total connected load: 642 watts -- a near 90 per cent reduction.

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Impressive. It also shows how BAU (business as usual) thinking is so far off track...

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