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ENMAX Power CorporationFor more than 100 years, ENMAX and its predecessors have provided Albertans with safe and reliable electricity to power the success of our province.
ENMAX Power Corporation (ENMAX Power) owns, operates and maintains the City of Calgary’s electricity distribution infrastructure. Our transmission and distribution system covers 1,089 square kilometres, comprising 300 km of transmission wires and 7,800 km of underground distribution lines.
For more information about ENMAX Power, visit enmaxpower.com.
Electricity 101
GENERATION
Where it all starts
Electricity sometimes travels long distances from generation plants to your homes, schools, hospitals and businesses. Canada’s entire electricity grid is crisscrossed with power lines that move the electricity to you.
When electricity comes out of the generation plant it usually has a voltage of about 20,000 volts. A volt is the measurement of how much electric force is pushing electrons around a circuit.
At the generation plant, the electricity is boosted up to 245,000 volts by a transformer. This higher voltage helps the electricity travel more efficiently long distances.
TRANSMISSION
Cross-country journey
The electricity then goes into long thick cables called transmission lines. The wires are made of copper and aluminum because these metals let electricity flow through them easily. You can tell you are looking at transmission lines when you see high towers – often made of steel - with many wires attached to them going across the countryside.
When the electricity on the transmission lines gets close to where it will be used it goes into a substation. The substation contains electrical equipment such as transformers. The transformers lower the voltage of the electricity to match where it will be used. Factories, mass transit systems, streetlights, businesses and homes all need the electricity to be at a different voltage
DISTRIBUTION
Moving from the substation to your community
Electricity leaves the substation on smaller wires called distribution lines to take it to homes and businesses. In some communities, distribution lines are overhead and you can see them. Newer neighborhoods have the distribution lines underground so you may not even know they are there.
YOUR NEIGHBORHOOD
It arrives
When the distribution wires reach your neighborhood, another small transformer, mounted on a pole or in a utility box, lowers the voltage of the electricity even more so it can be used in your house. The voltage is eventually reduced to 220 volts for larger appliances, like stoves and clothes dryers, and 120 volts for lights, televisions and other smaller appliances.
When electricity enters your home, it must pass through a meter. A member of the ENMAX Power Corporation team reads the meter so we’ll know how much electricity you used and can provide you with an accurate bill.
After being metered, the electricity goes through a fuse box into your home. The fuse box protects the house in case of problems. When a fuse or a circuit breaker ‘blows’ or ‘trips’, something went wrong with an appliance or something short-circuited.
STONEY TR SE
PREFERRED ROUTE
ALTERNATE ROUTE
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W R
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88 ST SE
MAP LEGENDENMAX SubstationsPreferred RouteAlternate Route
Transportation Utility CorridorExisting Transmission Lines To Be Re-used
DEE
RFO
OT
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DEERFO
OT TR SE
MACLEO
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SHER
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KIN
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T S
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162 AV SW
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52 S
T SE
6 ST SW
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MCIVOR BV SE
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BV S
E
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SPRU
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BV
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6 ST
SW
LEGACY
CRANSTON
MAHOGANY
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CHAPARRAL
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AUBURN BAY
SHAWNESSY
WALDEN
SETON
COPPERFIELD
MCKENZIE LAKE
SOMERSET
MIDNAPORE
MCKENZIE TOWNE
MILLRISE
DEER RUN
NEW BRIGHTONPARKLAND
MCKENZIE LAKE
LAKE CHAPARRAL
LAKE SUNDANCE
LAKE MIDNAPORE
SIKOME LAKE
MCKENZIE TOWNE LAKE
54
41
65
26
Foothills Area Transmission Development South Calgary - Project Overview
The demand for power is increasing as Calgary continues to grow. The Alberta Electric System Operator (AESO) has determined the existing transmission system in south Calgary will become overloaded as the demand for power rises. The reliability of your power supply is reduced as transmission lines become overloaded and the likelihood of power outages increases.
The AESO has identified the need to add a new 138 kV transmission line between ENMAX No. 65 Substation and ENMAX No. 41 Substation via ENMAX No.54 Substation in order to prevent transmission line overloads in the South Calgary area.
To meet this need, ENMAX Power Corporation has identified two viable transmission routes – a preferred and an alternate. The total length of the proposed transmission line to be constructed is approximately 14 – 22 kilometres depending upon the approved route. New equipment will be added at ENMAX Substations No. 65 and No. 41 to accommodate the new transmission line
20172014 2015 2016
Proposed Project Schedule
June 2015 Permit and Licence from AUC granted to ENMAX Power
Ongoing stakeholder engagement January 2014 - October 2016
October 2016 In-service date
June 2015 Construction begins
June 2014 ENMAX Power submits FA to the AUC
Initial stakeholder engagement January - June 2014
Project Schedule
ENMAX Power plans to file the FA with the AUC in late June 2014. Subject to approvals being granted, ENMAX Power expects construction to begin in June 2015 with a proposed in-service date of October 2016.
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E
CRANBROOK VW SE
300 COPPERFIELD GD SE
CRANBROOK PL S
E
SILVERADO RANGE CL SW
ELGIN ME SE
200 MID
LAN
D P
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CHAPARRAL PT SE
MC
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MC
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100 COPPERFIELD GD SE
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AUBURN BAY CM SE
MAHOGANY GV SE
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200 ELG
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CRANBERRY SQ SE
AUTUMN GV SE
MC
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100
MT
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100 COPPERFIELD GR SE
SOM
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SUNWOOD PL SE
100 MAHOGANY BA SE
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CH
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AUBU
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100 M
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500
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200 CHAPALINA PL SE
SUNCASTLE BA SE
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300 ELGIN
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AUBU
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SILVERADO RANGE VW SW
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200 WALDEN ME SE
MCKENZIE TOWNE VI SE
MT GIBRALTAR HT SE
CRANFORD BA SE
200 MT ASSINIBOINE PL SE
CRANWELL PL SE
MC
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A PL SE
SILVERADO PLAINS PA SW
SOMERVALE PA SW
200
MC
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LL P
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MT COPPER GR SE
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CHAPALINA PARK CR SE
CHAPALA GA SE
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300 ELG
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MT
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100 ELG
IN PT S
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SUN
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T RI S
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ELGIN HE SE
100
ELG
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100 COPPERFIELD MR SE
MCKENZIE LAKE CR SE
300
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100 MC
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E
CHAPARRAL VALLEY GD SE
CHAPARRAL VALLEY CR SE
100
CR
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H P
L S
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SUN HARBOUR PL SE
SUN HARBOUR GR SE
200 ELG
IN PT S
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100 MIDLAND PL SE
SOMERCREST MR SW
200 CRANLEIGH VW SE
MCKENNA MR SE
SUNLAKE C
L SE
200
SU
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BA
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SUNBANK CO SE
SUNCASTLE GA SE
100
CH
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200 CR
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COPPERFIELD GV SE
CRANARCH CO SE
MT BELCHER PL SE
ELG
IN M
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CRANARCH VW SE
200 SHANNON
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SUN CANYON CR SE
CHAPARRAL VALLEY SQ SE
100
SIL
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400
MT
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200 MCKERRELL GD SE
100 SUNMILLS PL SE
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100 SHANNON
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WA
LDE
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MT NORQUAY GA SE
100 MT N
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SHAWMEADOWS PL SW
SHAW
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LD P
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SILVE
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DO
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CR
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200 MAHOGANY BA SE
AUBURN MEADOWS CO SE
SHAWGLEN CO SW
SOMERSET CO SW
MCKERNAN PL SE
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SILVERADO PLAINS LI SW
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200 CHAPALA PT SE
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MASTER CR SE
100 CRANFIELD GD SE
300 MID
BE
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SUNMOUNT CO SE
100 SUNHAVEN BA SE
CH
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AL M
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AUTUMN CO SE
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CHAPMAN PL SE
200
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200 MARQUIS PT SE
400 WALDEN ME SE
100
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100 CH
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100
MAR
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S LD
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MAHOGANY DR SE
AUBURN BAY CI SE
24 S
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MARKET ST SE
210 AV SE
INVE
RNES
S PA
SE
210 AV SE
LEG
AC
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E S
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45 ST SE
6 S
T S
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194 AV SE
SIK
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E C
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LEGACY C
M SE
LEGACY CI SE
MA
HO
GA
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41
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26
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12J
12I
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LEGACY
CRANSTON
14U
MAHOGANY
CHAPARRALSILVERADO
SUNDANCE
AUBURN BAY
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WALDEN
SETON
SHAWNESSY
MCKENZIE LAKE
SOMERSET
COPPERFIELD
MCKENZIE TOWNE
MIDNAPORE
DEER RUN
PARKLAND
8
9
2 3
7
8
9
2
3
4
5
6
7
6
5
41
70
71
69
68
7574
73
72
16
17
18
19
20
2122 23 24 25 26 27 28 29 30 31
15
56
13
12
11
10
54
53
52
51
50
49
48
46
45
44
43
42
41
40
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
22
21
20
19
18
17
16
15
55
47
39
23
6162
63
64
65
66
59
58
57
56
55
54
53
52
51
3940
4142
43 44
4546
48
3637
33
34
35
10
12
14
13
9998
9796
9594
83
82
81
80
79
78
77
14
575859606162636465666768697071727374757677787980818283848586878889909192939495969798
99
93
92
91
9089
88
87
86
85
84
76
67
60
50
49
38
32
11
150153 152
197
198
194
193
195
119118117
115
114
116
112111
120
113
107106
105104
103
144
100
101102
103
104
105
106
107
108
109
110
111
112113
114115
116117
118
119
120
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136137138139140141142143145146147148149151
154155
156
157
158
159
160
161
162163164165
166167
168169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
196
121
110109
108
102
101
100
1213
0 1 2 30.5Kilometers
Legend
Transmission Pole
Preferred Route
Alternate Route
Calgary Community Districts
Transportation Utility Corridor
Tentative Ownership Land Parcels
Registered Ownership Land Parcels
Parks
F o o t h i l l s A r e aT r a n s m i s s i o n D e v e l o p m e n t
S o u t h C a l g a r y
F o o t h i l l s A r e aT r a n s m i s s i o n D e v e l o p m e n t
S o u t h C a l g a r y
F o o t h i l l s A r e a T r a n s m i s s i o n D e v e l o p m e n t S o u t h C a l g a r yF o o t h i l l s A r e a T r a n s m i s s i o n D e v e l o p m e n t S o u t h C a l g a r y
* Pole locations are preliminary and subject to final designFOOTHILLS AREA TRANSMISSION DEVELOPMENT SOUTH CALGARY
All Pole locations and all distances shown are approximate and may change based on final structure design, landowner input, environmental assessment and engineering.
Transmission StructuresThe proposed single circuit transmission structures for both the preferred and alternate routes would be self-supporting steel monopoles and will have a:
• Height of 18 to 24 metres ( 58 to 78 feet)• Distance between structures of 100 to 125 metres (325 to 410 feet)• Pole diameter in the preferred 1.1 to 2.23 metres (3.6 to 7.3 feet)• Pole diameter in alternate 0.7 to 1.6 metres (2.3 to 5.3 feet)• Poles within the TUC will be expandable to accommodate future transmission development if required.
Rendering of proposed transmission pole within TUC Proposed transmission pole for outside the TUC
Regulatory Process - Foothills Area Transmission Development South Calgary
Alberta Electric System Operator (AESO) identifies a need to upgrade transmission system
AESO directs Transmission Facility Owner (TFO), in this instance ENMAX Power, to prepare a
Facility Application in accordance with the Electric Utilities Act.
NEED
DIRECTION
STUDIES
ENGAGEMENT
APPLICATION
AUC REVIEW AND APPROVAL
TFO conducts necessary studies to ensure transmission routing is the safest, most economical,
with the least impact on landowners and the environment
TFO conducts a public engagement program as identified in Alberta Utilities Commission (AUC) Rule 007 to all potentially affected landowners, occupants and residents adjacent to the project.
TFO consolidates information from engagement and studies, and prepares final Facility Application and
submits to the AUC.
AUC reviews application and issues a notice in local newspapers. Interested parties are offered an opportunity to participate in the application process.
Refer to the AUC booklet for information on the regulatory process following submission of the Facilities Application.
Environment
• Working with regulatory agencies including the City of Calgary, Alberta Environment and Sustainable Resource Development, Alberta Parks, Fisheries and Oceans Canada, and Environment Canada to ensure all required approval and permits are obtained before starting any project.
• Complying with relevant environmental legislation, regulations, guidelines, policies and operating approvals.
• Developing a site specific Environmental Management Plan for each project to address and mitigate potential impacts to the environment. The plan is reviewed onsite with ENMAX employees and contractors.
• Conducting frequent on-site inspections to ensure workers are adhering to the Environmental Management Plan, and that all mitigation measures are effective.
• Conducting follow-up site visits to ensure impacted areas are remediated.
• Maintaining and continually improving upon our Environmental Management System, which is based on the International Standard ISO 14001 and supports our Corporate Environment Policy.
At ENMAX, we strive to reduce impacts to air, water, land and wildlife during all our operations. We do this by:
Understanding Electric and Magnetic Fields
• Electric and magnetic fields (EMFs) are found everywhere electricity is used from household wiring to power lines. ENMAX understands public concerns with EMF and in order to provide current information to the public and our employees, we continue to monitor the issue through our work with the Canadian Electricity Association’s EMF task group.
• While there are no EMF limits related to long term health effects, some countries and organizations (such as the World Health Organization) have adopted the 2010 ICNIRP guideline of 2000 mG (milligauss) for acute effects.
• Based on our modelling for the TUC route, ENMAX expects that the magnetic field at the nearest property line will be less than 1.0 mG.
Commitment to the CommunityENMAX Power is committed to being a responsible corporate neighbour in the community. This commitment includes providing timely and meaningful engagement with stakeholders about this project.
We have developed a comprehensive public involvement program to provide opportunities for area residents, occupants and landowners to be informed about this proposal and to engage with ENMAX Power in dialogue from the planning phase through to construction.
We hope we’ve answered your questions and have your comments.
Please take a couple of minutes to fill out a comment card.Your input will be included in our consultation report which will be incorporated into our application to the AUC.
ENMAX Power CorporationPhone: (403) 514-1471E-mail: [email protected]: enmax.com/transmissionprojects
Thank you for attending our open house.
