121108 md smart grid and renewable energy integration 1

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

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 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

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

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

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

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

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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100

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

Questions?

Want to know more?smartgrid@westernpower.com.au