Smarter Grid Network

1
Smarter Grid Network Reaching to the Premises

• Smart Appliance
• Energy Management
• Smart Charger (PHEV)
• Storage

Aggregator

• Ancillary Services Signals
• Price Signals
• Generation Mix
• Reliability Control
• Load Curtailment

Grid Signal
2
PJM Load and Wind Resources August 26, 2009
3
Wind Generation in PJM - Operational and Proposed
In planning queue - August 2009
4
Vehicle Charging Impact/Value
Load (MW x 1000)
120

110
100


Charging Energy 180,000 PEV Vehicles 33 miles
// 4 miles/ kWh 1500 MWh 500 additional
MW over 3 valley hours
90
80
60


40
20
7
9
11
13
15
17
19
21
23
1
3
5
Hour of Day
5
Grid Benefits Frequency Regulation
Load in GW
120

110
100


90
80
Regulation
60


40
20
1
3
5
7
9
11
13
15
17
19
21
23
Hour of Day

6
Fast Regulation Speed Matters
A fossil power plant following a regulation
command signal
Energy Storage Output Regulation Signal
Batteries accurately following a regulation
command signal
7
Grid Benefits Frequency Regulation
Time on the Road
Load in GW
120

110
100


90
80
Regulation
60


12 hrs 28/MWh .015 MW 5 /day
40
20 hrs 35/MWh .015 MW 10 /day
20
1
3
5
7
9
11
13
15
17
19
21
23
Hour of Day