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Karen Herter, Ph.D. Associate Director Heschong Mahone Group November 19, 2008

SMUD’s Small Business Summer Solutions Pilot: Behavioral response of small commercial customers to DR programs (with PCTs). Karen Herter, Ph.D. Associate Director Heschong Mahone Group November 19, 2008. Project Overview. Acknowledgements Demand Response Research Center (DRRC)

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Karen Herter, Ph.D. Associate Director Heschong Mahone Group November 19, 2008

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  1. SMUD’s Small Business Summer Solutions Pilot:Behavioral response of small commercial customers to DR programs (with PCTs) Karen Herter, Ph.D. Associate Director Heschong Mahone Group November 19, 2008

  2. Project Overview Acknowledgements Demand Response Research Center (DRRC) Sacramento Municipal Utility District (SMUD) Schedule

  3. Research Overview Target: SMUD Small businesses <20 kW Goal: Quantify perception, behavior & load impact differences between… 2 DR program types A. Critical Peak Pricing (CPP) B. Temperature Offset of 2 or 4 degrees 3 small business customer types Offices Retail Restaurants

  4. A. Critical Peak Pricing Option Discounted TOU rate + 12 CPP events Overall: Revenue Neutral for the summer PCTs offered for free, but not required PCTs can pre-cool and/or float during events (or not) Settings can be changed by customer at any time Bills showed change in bill relative to standard rate

  5. Critical Peak Pricing Rate

  6. B. Temperature Offset Option Payment ≈ CPP savings for similar AC actions $5 per month for 2-degree AC offset $10 per month for 4-degree AC offset PCTs required Can pre-cool Overrides not allowed (but technically feasible) No $$ incentive to reduce lighting, etc.

  7. Participant Breakdown

  8. Event Procedure Notifying participants Day before event Via email, text message and/or thermostat display Notifying thermostats Morning of event Event parameters to thermostat (via RDS) to schedule automated control strategy Internet RDS Signal FM Tower

  9. Twelve Event Days

  10. Satisfaction by Program Choice Did the Summer Solutions program meet your expectations? 20% 80%

  11. Satisfaction by Business Type Did the Summer Solutions program meet your expectations? 20% 80%

  12. Cooling offsets by Program Choice

  13. Cooling offsets by Business Type

  14. CPP Bills Only four participants paid more on the CPP rate Avg. % Savings = 5% Max % Savings = 10% Max % Increase = 14%

  15. Data Yet to be Analyzed Hourly load data

  16. For more information Contact Karen Herter at: Karen.Herter@h-m-g.com (916) 962-7001 x32 -OR- Read the PIER report due December 2008

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