Headline own-price elasticity is the FIML estimate at mean weather (C=H=0) reported in abstract and Section 4 || "The estimated price elasticity at mean annual temperature values (C = H = 0) is a_p = -.0576. This elasticity is small, but statistically quite significant." (p.79)
Lillard, L. A., and J. P. Acton (1981): “Seasonal Electricity Demand and Pricing Analysis with A Variable Response Model.” The Bell Journal of Economics 12(1), 71-92