Environmental Engineering Reference
In-Depth Information
Summertime load patterns with PHEV charging
7,500
Continuous
Continuous
Off-peak
Uncontrolled
Normal
7,000
Delayed
Uncontrolled
6,500
6,000
5,500
5,000
Delayed
4,500
Off-peak
4,000
3,500
3,000
0
12
24
36
48
60
72
Hour
Wintertime load patterns with PHEV charging
7,500
Continuous
Off-peak
Uncontrolled
Normal
7,000
Delayed
6,500
6,000
Continuous
5,500
Uncontrolled
5,000
4,500
Delayed
4,000
Off-peak
3,500
3,000
0
12
24
36
48
60
72
Hour
Figure 2.4
PHEV load forecasting for the Xcel Energy service territory in
Colorado, USA (Courtesy NREL) [116]
Overall, if managed adequately - most likely than not - PHEVs should bring a better
utilisation of network assets.
Further factors that influence the degree of impact PHEV technology can have
on the grid rely upon the charging capacity rates and battery system the vehicles
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