121108 md smart grid and renewable energy integration 1
TRANSCRIPT
Smart Grid and Renewable Energy Integration
Speaker: Mike Davidson
Society of Sustainability and Environmental Engineering
SWIS duration curve
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Percentage of Time
Perc
enta
ge o
f Pea
k Lo
ad 90.00%
91.00%
92.00%
93.00%
94.00%
95.00%
96.00%
97.00%
98.00%
99.00%
100.00%
0.00% 0.20% 0.40% 0.60% 0.80%
The top 15% of capacity is used 2% of the time
Residential duration curve
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10%
20%
30%
40%
50%
60%
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80%
90%
100%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Percentage of Time
Perc
enta
ge o
f Pea
k C
urre
nt
90%
91%
92%
93%
94%
95%
96%
97%
98%
99%
100%
0.00% 0.10% 0.20% 0.30% 0.40%
The top 10% of capacity is used 0.35% of the time
Effect of air conditioners
Solar PV and commercial peak
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0.9
1
0:00 3:00 6:00 9:00 12:00 15:00 18:00 21:00 0:00
Demand
Summer PV
Demand - 10% PV
Demand - 20% PV
Demand - 30% PV
Solar PV and the residential peak
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0.1
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1
0:00 3:00 6:00 9:00 12:00 15:00 18:00 21:00 0:00
Demand
Summer PV
Demand - 10% PV
Demand - 20% PV
Demand - 30% PV
Forecast PV inverter capacityResidential Inverter Embedded Generation Capacity forecast
210194
0
100
200
300
400
500
600
700
800
900
1,000
Dec
-07
Jun-
08
Dec
-08
Jun-
09
Dec
-09
Jun-
10
Dec
-10
Jun-
11
Dec
-11
Jun-
12
Dec
-12
Jun-
13
Dec
-13
Jun-
14
Dec
-14
Jun-
15
Dec
-15
Jun-
16
Dec
-16
Jun-
17
Dec
-17
Jun-
18
Dec
-18
Jun-
19
Dec
-19
Jun-
20
Pow
er (M
W)
0.00
0.50
1.00
1.50
2.00
2.50
Ave
rage
Sys
tem
Siz
e (M
W)
Approved capacity (Estimated MW) Forecast (Mid) Forecast (High)Forecast (Low) Average System Size
889
493
181
Note: Increased rate of applications from March 2011 due to announcements of changes to Government incentive schemes. These application rates are not expected to continue.
Solar penetration in Perth
The Western Power network
Smart grid
PV Saturation Trial
Customers Connection Phase
No. of Customer
No. of PV Customer
PV Capacity Installed (kW)
PV Penetration by No. of Customers
PV Penetration by TX Capacity
3 Phase 26 14
Red 14 4 20.2 16% 10.1%
White 17 4 15.0 10% 7.5%
Blue 20 12 23.4 18% 11.7%
Total 77 34 58.6 44% 29.3%
Transformer Load Profiles
Transformer Average Daily Load Profile and PV Generation Profile (Spring)
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0:00 3:00 6:00 9:00 12:00 15:00 18:00 21:00 0:00
Load
(kW
)
Red Phase White Phase Blue Phase Total LoadPV Red Phase PV White Phase PV Blue Phase PV Total
Customer voltage compliance
Customer Voltage Compliance
Mitigating strategies
Other smart grid programs
