Single own-price elasticity is the paper's headline result, stated in abstract, results, and summary || 'The estimated price elasticity is -0.20 (0.05) with a p-value of 0.0002' (p.111, Estimation Results); 'a price elasticity of -0.20' (Abstract, p.111)
Branch, R. (1993): “Short Run Income Elasticity of Demand for Residential Electricity Using Consumer Expenditure Survey Data,” The Energy Journal 14(4), 111-121