Abstract headline is about overall Saudi demand = the Average equation (obs58); residential is the sectoral variant || "It is found that electricity demand in Saudi Arabia is affected by income and is inelastic with respect to price and income in the short-run but is more elastic in the long run." (abstract p.82)
Al-Sahlawi, M. A. (1999): “Electricity Planning with Demand Estimation and Forecasting in Saudi Arabia.” Energy Studies Review 9(1), 82-88