Carnegie Mellon University
© Dr. Rahul Tongia
20
Draft – Subject to Change
Own-Price Elasticities
California SPP vs. Nationwide Historical Results
1980
1985
1990
1995
2000
2005
-0.5
 0.0
-0.1
-0.2
-0.3
-0.4
-0.6
-0.7
-0.8
-0.9
California 2003 SPP CPP-F Critical Peak Days
Nationwide Historical Results
Average = -0.30
US Industry Experience
Source:  Predicting California Demand Response, Chris King and Sanjoy Chatterjee, Public Utilities Fortnightly, July 1, 2003.