Marta González DíazBlanca Díaz DíazMiguel de Castro (prof.)

Power usage:

Can you reduce it?

Objectives:

Responsible power usage

Measuring power usage

Power saving campaign

Reducing power usage at school

Reducing power usage at home

Studying water consumption in power plants

Work

Turn Me Off!

Power usage

Awareness-raising at home about power usage

How can we reduce it?

How much water is needed to produce power?

Power usage

Study of our family's power bills

Wattmeter

Measuring with wattmeters

Power usage in Euros

Wattmeter

Home installation

Fluorescent ceiling lights

Wattmeter

Wattmeter

Power usage of two fluorescent ceiling lights working during 8 hours/day for 1 month: €0.50

Wattmeter

Measurement of the power usage of appliances on STAND BY

STAND BY:

Power usage is up to 10% of the appliance´s usage

Power consumed by a PC: 90 W

Power consumed by a PC on STAND BY: 9 W

Wattmeter

Turn Me Off!

Our power saving campaign

What can we do?

Power saving campaign

Reduce power usageat home

Reduce power usageat school

Turn Me Off!

Posters in classroomsand corridors

Stickers onswitches

Awareness-raising

Turn Me Off!

Calendar

October November December

Turn Me Off!

Metering the power counter daily for three months

Campaign at home

Work in school

Study of power installations in houses

Work in school

Weekly checks of the power counter for three months

Turn Me Off!

Environmental impact...water...

Study of power production

Power production in Spain:• Combustion thermal power plant• Nuclear power plant• Water power plant• Renewable energy:

• Solar energy• Wind energy• Biomass energy

National energetic study

Study of power production

Combustion thermal power plants

Nuclear power plants

Study of power production

Water power plants

Study of power production

Water consumption in power plants

As Pontes Thermal Power Plant:

Power produced: 1400 MW

Water consumed: 2161470 m3/year

Origin of water: river-bed.

Water consumption in power plants

Calculations made:

kwhhkwE

ht

tPEt

EP

1010·2264,1 8760·1400000

8760h 24 · days 365year ain h

year ain producedenergy thecalculate sLet'

·

Water consumption in power plants

Calculations made:

water of m1.7625·10 needskwh 1

year ain consumed water of m 4701612Q

year ain produced 10·2264.1

waterofn consumptio

and productionrelation in put now We

34-

3

10

kwhE

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Results

Results

101,5 101,5106,6

95,899,8 100,6

90

103,9

128

136

145,5

0

20

40

60

80

100

120

140

160

Weekly consumption measured

Kwh

Water consumption in power plants

1 kwh1,7625·10-4 m3

Resultados

0,0179 0,01790,0188

0,01690,0176 0,0177

0,0158

0,0183

0,0224

0,0240

0,0256

0,0000

0,0050

0,0100

0,0150

0,0200

0,0250

0,0300

Estimated water consumption in thermal power plant (m3)

Results

0,0179 0,01790,0188

0,01690,0176 0,0177

0,0158

0,0183

0,0224

0,0240

0,0256

0:00

1:12

2:24

3:36

4:48

6:00

7:12

8:24

9:36

10:48

12:00

0,0000

0,0050

0,0100

0,0150

0,0200

0,0250

0,0300

Water consumption in TPP vs hours of sunlight

m3 de agua

Horas de sol

Results

0,0179 0,01790,0188

0,01690,0176 0,0177

0,0158

0,0183

0,0224

0,0240

0,0256

0,00

5,00

10,00

15,00

20,00

25,00

0,0000

0,0050

0,0100

0,0150

0,0200

0,0250

0,0300

Water consumption in TPP vs outdoors temperature

m3 de agua

Temperatura

Results

Power usage during the Turn Me Off! campaign

Date Power used in kwh

09/10/2009 Beginning of measurements

16/10/2009 406

23/10/2009 533

30/10/2009 479

06/11/2009 499

13/11/2009 503

20/11/2009 450

27/11/2009 519

04/12/2009 381

11/12/2009 680

18/12/2009 582

TOTAL5032 kwh

Results

Water consumption in thermal power plant during the Turn Me Off! campaign

Date Water consumption m3

09/10/2009 Beginning of measurements

16/10/2009 0,0716

23/10/2009 0,0939

30/10/2009 0,0844

06/11/2009 0,0879

13/11/2009 0,0887

20/11/2009 0,0792

27/11/2009 0,0916

04/12/2009 0,0672

11/12/2009 0,1199

18/12/2009 0,1026

TOTAL0.887 m3

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Conclusions:

Conclusions

The results obtained do not indicate significative savings

There are many reasons why the study does not reflect significative savings but...

We know this is the right way of life and we should keep up the work.

Thank you