Demand Response At Southern Company

1
Demand Response At Southern Company

• Leonard Haynes
• July 15, 2007

2
Southern Company Demand Response Activities

• Hourly Pricing Programs (RTP)
• Traditional Interruptible Programs
• Scheduled Curtailment Programs
• Stand-By Generator Programs
• Direct Load Control Programs
• Critical Peak Pricing Programs

3
Real Time Pricing Programs

Demand (MW)
20
Actual Load
15
RTP
Prices
CBL
10
5
Standard Bill
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Off-Peak
On-Peak
Off-Peak
4
How do they work?
Scheduled Curtailment Programs
5
Critical Peak Pricing
Hourly Energy Used
Critical Peak Period
Actual Usage
On-Peak Period
Time of Day
6
Demand Response Score Card for Southern Company
Existing Programs MW
Hourly Pricing Programs (RTP) 560 MW
Traditional Interruptible Programs 1,300 MW
Scheduled Curtailment Programs 250 MW
Stand-By Generator Programs 70 MW
Traditional Direct Load Control Programs 100 MW
Critical Peak Pricing Programs 15 MW
Totals 2,295 MW
Supplemental Reserves (10 Min) -- 210 MW
Note The numbers above are peak load
reductions. They have not been converted
to Incremental Capacity Equivalents.
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Leonard HaynesSouthern Company 404-506-0206
ljhaynes_at_southernco.com