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Page 1 of 33
District Council of Coober Pedy
ANNUAL COMPLIANCE REPORT
ELECTRICITY OPERATIONS
1st July 2016 to 30th June 2017
Page 2 of 33
ANNUAL REPORT OF ELECTRICITY OPERATIONS
FROM 1st JULY 2016 - to - 30th JUNE 2017
INDEX LISTING
Page 2 Index
Page 3 Licence Information:
Name of the Officer of the Licensee Name of Licensee GENERATION OPERATIONS
Page 4 Description of Generating Plant including Installed Capacity (MW) Wind Turbine Information Diesel Litres Usage Page 5 Outages planned and unplanned
Page 6 Energy Produced Plant Availability
DISTRIBUTION OPERATIONS Page 7 Length of Network Lines & Cables by voltage category
Distribution Assets: Page 8 Street lighting Page 8 - 9 Transformers SWER & Town
Page 9 - 10 Outages - Planned and Unplanned Power Quality Complaints Page 11 - 14 Work Completed by Power Line Personnel and Electricians Customers disconnected for non-payment of accounts Page 15 Quotations for New Supplies and Alterations
Non-compliant installations
Page 16 Removal and Installation of Electricity Meters
RETAIL OPERATIONS
Page 17 Number of customers by customer category Electricity Sales: Consumer Category, kWhs and Sales Revenue Page 18 Employees and Qualifications
Page 19 - 30 Graphs showing Station Daily Loads for each month.
Page 31 Additional Information Page 32 - 33 Statement regarding Licence Obligations
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LICENCE - Information regarding the electricity operations in Coober Pedy Electricity Retail and Distribution Licence was issued on 10th August 2016. Officer: Ms Fiona Hogan, Chief Executive Officer District Council of Coober Pedy Licensee: This has been issued to the District Council of Coober Pedy
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GENERATION OPERATIONS
GENSETS Generating Plant OWNED BY ENERGY DEVELOPMENTS
EIGHT (8) in total:
DEUTZ DIESEL GENSETS TBD 616 V12 514 KW (site rating) Each in a separate container
Control Room in a separate container adjacent to the gensets
INSTALLED CAPACITY: 4.112 MW (Mega watts)
WIND TURBINE OWNED BY COUNCIL AND LEASED BY ENERGY DEVELOPMENTS
MAKER
RATING kW H.P.
R.P.M.
ANNUAL PRODUCTION kW hours
NORDEX WIND TURBINE
150
27 / 35
30,000
DIESEL LITRES USED
YEAR
LITRES
From: 1st July 2016 to 30th June 2017
3,142,106
The District Council of Coober Pedy has a contractual relationship with Energy Developments with the details of that relationship documented in a Power Purchase Agreement.
To date the District Council of Coober Pedy has been most satisfied with the performance of Energy Developments with all generation obligations being met.
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GENERATION PLANNED OUTAGES
1st July 2016 to 30th June 2017
No planned outages during this financial year.
GENERATION OUTAGES
1st July 2016 - 30th June 2017
Generation Outages
Type of Outage
Amount of
Outages
Minutes
Seconds Customers Per
Outage
Total Customers Affected
UNPLANNED High Voltage 5
261
148
Hospital Feeder 750 750
Town Feeder 750 750
PLANNED High Voltage
Nil Low Voltage
TOTALS 5 261 148 1500 1500
GENERATION UNPLANNED OUTAGES
1st July 2016 - 30th June 2017
Date Reason Hospital Feeder
Customers Per Outage
Town Feeder
Customers Per
Outage Total
Duration Min Sec Min Sec Mins Secs
28 Nov 2016 MPU fault on Gen # 6
15 2 750 15 2
2 Feb 2017 Gen # 4 tripped on fire fault
42 13 1500 42 13
12 Apr 2017
Fault on Gen # 6 causing an overload condition on UFLS on both feeders
134 38 750 137 52 750 137 52
12 Apr 2017
Loss of 24V supply to both feeder protection relays
53 15 750 58 30 750 58 30
30 June 2017
Feeder Q1205 opened on UFLS following Gen # 1 and # 5 both tripping off-line on faults
9 51 750 9 51
TOTALS 196 104 3000 237 237 3000 261 148
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ENERGY PRODUCED - KwHS
From: 1st July 2016 to 30th June 2017
MONTH GENERATION
PRODUCED AUXILIARIES
NET PRODUCED
WIND TURBINE
TOWN CONSUMPTION
JULY 2016 1,045,756 1164 1,044,592 30,000 1,074,592
AUG 1,013,568 1374 1,012,194 1,012,194
SEPT 923,656 1669 921,987 921,987
OCT 880,384 3099 877,285 877,285
NOV 942,976 6009 936,967 936,967
DEC 1,079,296 7224 1,072,072 1,072,072
JAN 2017 1,202,160 0 1,202,160 1,202,160
FEB 1,068,121 0 1,068,121 1,068,121
MAR 1,121,479
0 1,121,479 1,121,479
APR 864,576
0 864,576 864,576
MAY 900,644 0 900,644 900,644
JUNE 2017 1,016,937 0 1,016,937 1,016,937
TOTALS
12,059,553 20,539 12,039,014 30,000 12,069,014
Note: 1. All hours are kilowatt hours
2. Units as indicated from Energy Developments 3. Total produced = 12.08 MWhs
Please Note: These were the only figures supplied at time of compiling this report.
PLANT AVAILABILITY: With eight gensets available to come on-line to suit load requirements, each individual genset is taken off-line for a minimal amount of time when scheduled servicing is due and when the electrical checks and maintenance have to be carried out. The Wind Turbine has been disconnected from the distribution network and two, 2 Mega Watt Turbines will be commissioned during the next financial year along with one Mega Watt of solar panels.
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DISTRIBUTION OPERATIONS
LENGTH OF NETWORK LINES & CABLES
OVERHEAD LINES
VOLTAGE
BETWEEN PHASES
LENGTH (KM) TOWN & DISTRICT SUPPLIED
19 kV SWER
38
COOBER PEDY - LOCAL AREA
L.V.
59
COOBER PEDY - TOWNSHIP
6.6 kV
18.5
COOBER PEDY - TOWNSHIP
UNDERGROUND CABLES
VOLTAGE
BETWEEN PHASES
LENGTH (KM) TOWN & DISTRICT SUPPLIED
6.6 KV Includes PLEC Scheme
4
TOWN AREA
415 V Includes PLEC Scheme
8.6
TOWN AREA
Note: Undergrounding of cables is carried out on a needs basis. Cables crossing major roadways are gradually being placed underground
to allow passage for the over-height mining machinery prevalent in the township.
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STREET LIGHTING
SIZE DESCRIPTION TOTAL
22W SOLAR 15
28W LED 5
55W LED 5
80W MERCURY 324
90W SODIUM 1
100W SODIUM 120
250W SODIUM 3
400W MERCURY 17
1000W METAL HALIDE 12
2000W METAL HALIDE 42
TOTAL 544
Note: All streetlights are assets of the District Council of Coober Pedy; with repairs and maintenance being completed as soon as possible.
TRANSFORMERS
SWER
Potch Gully 5kVA = 1
10kVA = 55
20kVA = 16
25kVA = 8
50kVA = 2
Hopeful Hills 5kVA = 2
10kVA = 43
20kVA = 10
25kVA = 3
50kVA = 2
TOTAL 142
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TOWN 3
DESCRIPTION AMOUNT
25 kVA 1
50 kVA 3
100 kVA 3
150 kVA 3
200 kVA 29
150 kVA Pad Mount 1
300 kVA Pad Mount 1
315 kVA 4
450 kVA 1
500 kVA 3
TOTAL 49
DISTRIBUTION NETWORK OUTAGES
1st July 2016 - 30th June 2017
Distribution Outages
Type of Outage
Amount of Outages
Days
Minutes
Seconds Total
Customers Affected
UNPLANNED High Voltage 6
1027 2652
Low Voltage 24
8 3951 38 2345
PLANNED High Voltage 67
2509 354
Low Voltage 9
953 22
TOTALS 106
8 8440 38 5373
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Unplanned power outages - below outlines some of the causes:
High Voltage Replaced Fuse at Transformer # 76 Due to incorrect protection setting selected Fault on CP03 recloser damaged by Eagle Network overcurrent fault Birds caused fuse to blow Replaced fuse due to bird strike
Low Voltage Property disconnected due to damaged meter box Bird damage to service Blown service fuses Re-terminated damaged cable in service box Neutral fault Installation of new O/U service Network over current fault Circuit breaker tripped in customers switch board
Planned power outages below outlines some of the causes:
High Voltage 49 were for testing SWER earth system on transformers Repairs to several SWER earthing transformers Removed transformer from Hutchison Street Isolate transformer # 59 for repairs to consumer mains Removed transformer # 42 out of service Removed redundant conductors Replaced damaged insulator Corrected phase rotation Installation of HV arm Low Voltage Meter change Isolate transformer for tap change Upgraded LV services Meter test required Removed one span of open wire Relocated services Replaced faulty 3 phase meter Carried-out work on consumer mains switchboard Meter relocation
Note: All customers were notified with a hand delivered notice a f