Author's headline for the fuel disaggregation is the group-average own-price electricity elasticity in Table 4; the paper's stated finding is that price elasticities are higher in poorer countries and that electricity is price-inelastic in middle-income and rich groups (Sec VI). No single electricity cell is singled out as THE preferred estimate; the three group averages are co-equal. Marking the Rich-country electricity average as representative of the paper's headline sample. || 'the simple (unweighted) average of the estimates of the price elasticities suggest that electricity, gas and oils are price inelastic in middle income countries' (p.857)
Brenton, P. (1997): “Estimates of the Demand for Energy Using Cross-Country Consumption Data.” Applied Economics 29(7), 851-859