The Table 5 fuel elasticities come from the authors' 'preferred' model (homotheticity + utility-maximization restrictions only, additivity/stationarity/separability rejected). No single country's electricity figure is singled out; USA marked as the representative reference case. || 'OUR preferred model therefore has no restriction other than homotheticity and those implied by utility maximization.' (p.10) and 'ranging from -0.34 [Canada] to -1.2 [U.S.]' comparison anchored on the U.S. (p.18)
Pindyck, R. S. (1980): “International Comparisons of the Residential Demand for Energy.” European Economic Review 13(1), 1-24