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iance wind
o fossil fuel
ctricity gas
ent climate
nhouse gases
WORKSHEET #8:
net energy
PAGE 1/2
Sample
energy
team
data
t appliance
hydro fossil
Calculate: Activity 6, Activity 9
ctricity gas
ent climate
Time of year: Winter
nhouse gases
Two adults live with two children, a grandparent and a
net energy
dog in a three-bedroom house.
t appliance
They use electricity for cooking, hot water and heating.
hydro fossil
ctricity gas
Both adults work full time during the day while the
grandparent stays at home.
ent climate
nhouse gases
The two children are school age. The oldest is in Year 8,
net energy
the youngest in Year 6. They spend most of their time
after school in the house or outside playing.
t appliance
hydro fossil
As an energy team, they discussed their combined
energy use for different appliances in their home and
ctricity gas
came up with the following data.
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Complete the following table using the data provided in
nhouse gases
net energy
• Support material #6: Typical power ratings of gas and electric appliances
t appliance
• Support material #10: Energy calculations.
hydro fossil
ctricity gas
Greenhouse
How many
ent climate
gases
produced
hours would
nhouse gases
(kg
CO2-e)
the appliance
Typical
net energy
be on for a
Total yearly
(See page 2 for
Room
Appliance
Use
power rating
year?
energy use
t appliance
state
based CO2
(W or MJ)
conversion
data)
hydro fossil
365 days/year
52
weeks/year
(Please note:
ctricity gas
60 minutes/hour
1000 MJ = 1 GJ)
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My bedroom
nhouse gases
Home computer 3 hrs/day 190 W
1095 hours/
208,050 Wh = QLD:
net energy
(PC and monitor)
year
208.05 kWh
216.37 kg CO2-e
t appliance
Alarm clock
168 hrs/
hydro fossil
(on for 24 hours)
week
ctricity gas
Portable
3 hrs/day
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Television (small)
nhouse gases
Portable stereo 2 hrs/day
net energy
(small)
t appliance
Electric blanket 7 hr/week
hydro fossil
(single bed)
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Other small
2 hrs/day
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appliances
nhouse gases
Lighting
5 hrs/day
(2 x 60 W globes)
net energy
Bedroom weekly total
t appliance
hydro fossil
ctricity gas
ent climate
nhouse gases
net energy
Energy Savers
t appliance
www.originenergy.com.au/savers
hydro fossil
ctricity gas
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iance wind
o fossil fuel
ctricity gas WORKSHEET #8: Sample energy team data continued...
ent climate
nhouse gases
net energy
My bathroom and laundry
t appliance
Iron
3 hrs/
hydro fossil
(auto appliance)
week
ctricity gas
Shower (electric 50 min/
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hot water system) day
nhouse gases
Lighting
2 hrs/day
net energy
(3 x 100 W globes)
t appliance
Bathroom and laundry weekly total
hydro fossil
My kitchen
ctricity gas
Small appliances 28 hrs/
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week
nhouse gases
Electric oven
14 hrs/
net energy
(fan- assisted)
week
t appliance
Dishwasher
4 hrs/
hydro fossil
week
ctricity gas
Electric stove
8 hrs/
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top cooking
week
(small hotplate)
nhouse gases
Microwave
2 hrs/
net energy
week
t appliance
Lighting
5 hrs/day
hydro fossil
(3 x 100 W globes)
ctricity gas
Kitchen weekly total
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My living room
nhouse gases
Electric strip
2 hrs/day
net energy
heater
t appliance
Electric central
4 hrs/day
hydro fossil
heating
ctricity gas
Television
42 hrs/
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(plasma)
week
nhouse gases
Stereo
10 hrs/
net energy
week
t appliance
VCR
3 hrs/
hydro fossil
week
ctricity gas
Lighting
7 hrs/day
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(5 x 100 W globes)
nhouse gases
Vacuum cleaner 3 hrs/
net energy
week
t appliance
Living room weekly total
hydro fossil
State based CO2 conversion data
ctricity gas
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State
Natural gas (Kg CO2-e/GJ)
nhouse gases
NSW
66.1
net energy
QLD
57.3
t appliance
SA
70.7
hydro fossil
VIC
57.3
ctricity gas
ent climate
nhouse gases
net energy
Energy Savers
t appliance
www.originenergy.com.au/savers
hydro fossil
ctricity gas
ent climate
PAGE 2/2
Electricity (Kg CO2-e/Kwh)
1.06
1.04
0.98
1.31