Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26485
Title: Residential winter kWh responsiveness under optional time-varying pricing in British Columbia
Authors: Woo, CK
Li, R
Shiu, A 
Horowitz, I
Keywords: British Columbia
Optional time-varying pricing
Residential price responsiveness
Winter peak kWh reduction
Issue Date: 2013
Publisher: Pergamon Press
Source: Applied energy, 2013, v. 108, p. 288-297 How to cite?
Journal: Applied energy 
Abstract: A large sample of daily electricity consumption and pricing data are available from a pilot study conducted by BC Hydro in British Columbia (Canada) of its residential customers under optional time-varying pricing and remotely-activated load-control devices for the four winter months of November 2007-February 2008. We use those data to estimate the elasticity of substitution σ, defined as the negative of the percentage change in the peak-to-off-peak kW. h ratio due to a 1% change in the peak-to-off-peak price ratio. Our estimates of σ characterize residential price responsiveness with and without load control during cold-weather months. While the estimates of σ sans load control are highly statistically significant (α=0.01), they are less than 0.07. With load control in place, however, these σ estimates more than triple. Finally, we show that time-varying pricing sans load control causes a peak kW. h reduction of 2.6% at the 2:1 peak-to-off-peak price ratio to 9.2% at the 12:1 peak-to-off-peak price ratio. Load control raises these reduction estimates to 9.2% and 30.7%.
URI: http://hdl.handle.net/10397/26485
ISSN: 0306-2619
EISSN: 1872-9118
DOI: 10.1016/j.apenergy.2013.03.042
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