Be an energy producer

through conservation

The Scope Each unit (kWh) of electricity conserved is

equivalent to production of 1.25 units considering the transmission and distribution (T & D) losses.

This would mean that each time you save 1kWh of electricity , you are in effect helping your utility to generate an extra 0.25 kWh.

“Conservation is the quickest, cheapest and most practical source of energy”

Jimmy Carter: Energy Policy Speech, April 1977

Environmental effects Generation of 1 MW of electricity using oil

or coal produces about 7,000 MT of CO2 annually together with the other greenhouse gases like carbon monoxide and Nitrous oxide.

Each unit of electricity conserved will reduce your carbon footprint by nearly 1kg and help mitigate the global warming.

Win, Win and WinBy cutting down your consumption

•You reduce your utility bill

•You save the environment

•You help generate power

How can you do it?

Replace that incandescent bulb!•An incandescent bulb converts only 2-10% of the electricity it consumes into useful light; other 98-90% is wasted as heat.

•A 100 W incandescent bulb has an average lifetime of only 750 hours.

What are your options ?

Cagle Cartoons

• Compact Fluorescent Lamps (CFL)

•Triphosphor Efficient Fluorescent Tubes ( T8 , T5 ) with electronic ballasts

•White Light emitting Diodes (WLED)

This presentation deals only with the CFLs

0

20

40

60

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Lu

men

s/w

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Candle 100Wtungsten

34W T12 24 WCFL

32W T8 28WT5 LEDwhite*

Luminous efficacy

Luminous Efficacy: Total luminous flux emitted divided by the wattage of the source (power consumed). Units lumens /watt (lm/w) *Prototype

Incandescent bulb vs. CFL Light Output Comparison

Source: USDOE

Incandescent bulbs

Light output Compact Fluorescence Lamp

Watts Lumens Watts

40 450 9-13

60 800 13-15

75 1,100 18-25

100 1,600 23-30

150 2,600 30-52

Life span A CFL bulb typically lasts about 7000-8000

hours compared to 800-1000 hours of the incandescent bulb.

Check the numbers! A 13 W CFL produces the same light output as a

60W incandescent bulb. If used 6 hours/ day , you save 282 Wh /day or

0.282 units of electricity/day/bulb Replacing 4 bulbs in a house saves

1.128units/day or 412 units/year This in effect would mean you helped generate 515

kWh/year (considering 25% T&D loss) A thousand households can ‘produce’ 515 MWh

/year by simply replacing their bulbs with CFLs. This is roughly equivalent to the electricity

produced by 25 diesel generators (18 kVA) in rural Fiji.

Check the numbers (contd.)

Each 18kVA generator runs for 3.6 hours/day and consumes 8.2 L of diesel per day.

By switching to CFL (25 x8.2=) 205 L of diesel can be saved.

This would result in GHG reduction of 500 kg of CO2 annually.

And cut the fuel import bill.

Check the numbers (contd.)

  5 Regular Bulbs One Energy Saver Bulb

 Watts 40 60 75 100 9 11 15 21

Purchase Cost (Capital) $5 $5 $5 $5 $10 $10 $10 $10

Operation Cost to run 5000 hours

$41.18

$61.77

$77.21

$102.95

$9.27

$11.32

$15.44

$21.62

                 

Total Cash Outlay $46 $67 $82 $108 $19 $21 $25 $32

                 

Savings         $27 $45 $57 $76

% Savings         59% 69% 70% 71%

Cost- benefit analysis -Fiji electricity Authority (FEA)

(All costs in Fiji$)

CFL promotion in Fiji

CFL ads

Ratatouille and Department of Energy TV Spot

Don't be an a..-Greenpeace ad

Havells India ad

Some issues with CFL

Environmental: CFLs contain a small amount of mercury (similar to ordinary tubes ~5mg). Broken CFLs should be disposed off properly.

Flicker: Some CFLS have a pronounced flicker which is uncomfortable to some people. Newer CFLs use high frequency electronic ballasts which reduce the flicker to a large extent.

Be Energy Smart