Nunavut
DC
Alternating current: changes
direction 50 times per second
Direct current always flows in the same
direction between two terminals.
n
Do
AC
1
’t
pl
ay
wit
h ele
ctricity!
N.W.T
Yukon
P.E.I.
Manitoba
Alberta
B.C.
Newfoundland
& Labrador
Québec
Saskatchewan
Ontario
Generator
N.B.
12
N.S.
Turbine
CROSS-COUNTRY ELECTRICITY SNAPSHOT (2010)
Approximate (Thermal includes coal, oil, and/or natural gas; Other includes wind and/or biomass)
SOURCE STATISTICS: Centre for Energy (Electricity Installed Capacity)
LEGEND
Hydro
Thermal
Nuclear
WIND POWER
Other
5
13
Heat Waste
Water Vapour
Waste Gases
15,000-VOLT
POWER PLANT
22
5a
FUEL SOURCE PRODUCTION
2
FUELS
Natural
Gas
Wood
Biomass
2c
FURNACE
Water
LIGHT INDUSTRIAL
11,000 V
SMALL SHOPS/FARMS
413 V
RESIDENTIAL
220 V
FUEL
Biomass
Boiler
TURBINE
GENERATOR
AIR
2e
33,000 V
Steam
Oil
Forestry 2b
HEAVY INDUSTRIAL
Water
Coal
2a Uranium Mining
WIND POWER
POWER USE
Cooling
Tower
Hot
Measured in hundreds
of kilowatts
(thousands of watts)
24 V
9V
12 V
3V
Neutral
Ground
Core
Overburden
Crude
Oil
ENERGY USE
Hot
Coal Seam
Contact
OFF
15
2f
Coal Mining
Natural
Gas
Bedrock
Wood or other organic material
Compressor
5b
2d
Gas
ON
POWER
TO ‘B’
Steam
Generator
Distillation
Heat
Waste Heat and Water Vapour
C
NUCLEAR
POWER
BIOMASS
Air
RADIOACTIVE
WASTE
Cooling Towers
Feedwater
Generator
Turbine
Water Pond
Uranium Fuel Rods
Upswitch
5d
Generates power in megawatts
(millions of watts)
LIGHT METER
Power
PLASTIC
COATING
5c
Cooling Pond
19
D
Turbines
VINYL OUTER
COATING
TYPICAL HOME
ELECTRICAL
WIRE
Transmission
up to 765,000 V
NUCLEAR POWER
Water
Pump
Reactor
TO ‘D’
Light Bulb
Switch
COPPER
NEUTRAL WIRE
(returns current to
complete circuit)
4
BIOMASS POWER
CONSERVE
ENERGY
Neutral
COPPER
HOT WIRE
(supplies current)
RECLAMATION
Steam
ON
OFF
LIGHT METER
Step-up transformer from approx.
15,000 V to as much as 220,000
to 765,000 V
Spoils
Methanol
17
Contact
Gas
High
temperature
chemical
reaction
16
Amount of energy used for
flourescent 18-watt bulb
Ground
B
3
Amount of energy used for
incandescent 60-watt bulb
Typical Lightbulb
PAPER
INSULATION
COPPER
GROUND WIRE
Pumphouse
Generators
14
GEOTHERMAL
POWER
Hot Water
Steam
FEED FROM
UTILITY POLE
Cold Water
DANGER
HIGH-VOLTAGE
POWER LINES
5e
Substation step-down reduces voltage
to approx. 4,000 to 12,000 V
Local transformers step-down current
to 120 V for delivery to residences
E
Step-down
transformer
to 120 V
Residential
Service
F1
F2
5f2
Heat
Heat
5f1
Heated
Water
Hot
AVOID LANDFILL
G
Power
DEPOSIT
USED
BATTERIES
HERE!
5g
Protein Exchange
Membrane
UNDERGROUND
FEED
7
240 V FEEDER
Stator
GENERATOR
Water In Flow
Main Breaker
Hot
240 V
240 V
Ground
Hot
120 V
120 V
SUN
PHOTOVOLTAIC
(PV) CELLS
18
Ground
Double- and
Single-Pole
Breakers
Generator
Hot
Neutral
Neutral
Unused Fuel
Recirculates
Exhaust
Water
Vapour
Hot Bus Bars
120 V each
6
Ground/Neutral Bus Bar
Power
11
Oxygen
From Air
Ground
Hydrogen
Fuel
Metal Water Pipe
Turbine
Contact
Platinum
Catalyst
Generator
20
Tidal
IN FLOW
Water
In Flow
Out Flow
Water Out Flow
10
9
Core
HYDROELECTRIC
POWER
BATTERY
POWER
TURBINE
8
OUT FLOW
Water
ELEC
TRIC
POWER
ELECTRIC
ENG.
ELECTRIC
ANALYST
USED COMPUTER
& ELECTRONICS
PICK UP SERVICE
IRO
ENV SULT
CON
COMPRESSOR
STATION
Contact
21
Contact
Contact
Circuit
TIDAL
POWER
Turbine
Hot