System-wide annual own-price (kwh) elasticity is the headline the paper foregrounds; conclusions stress the two annual system elasticities are the strongest results || 'four of the six total system short run price elasticities are significant, including the two annual system elasticities, which are six and four times their standard errors, respectively' (p.597)
Murray, M. P., R. Spann, L. Pulley, and E. Beauvais (1978): “The Demand for Electricity in Virginia.” Review of Economics and Statistics 60(4), 585-600