Authors' headline is the simple fixed-effects own-price elasticity of about -0.44 (Table 1 last column) and the weighted aggregate -0.479 (Table 4/abstract). Obs 469 (-0.442) is the coded cell carrying that headline FE estimate with its printed SE. || 'In the fixed effects model ... the elasticities with respect to electricity price are about -0.4' (p.605); 'We find average elasticities of electricity consumption at 0.597 with respect to value added and 0.479 with respect to electricity price' (p.613)
Bjorner, T. B., M. Togeby, and H. H. Jensen (2001): “Industrial Companies’ Demand for Electricity: Evidence from a Micropanel.” Energy Economics 23(5), 595-617