This study aims to identify technology spillover between electricity sector´s firms. Using World Input-Output Database, with 40 countries, from 1995 to 2011, it is estimated the effect of electrical machines international trade on electric industry and electricity services value added. The results indicate that, at electricity sector, countries absorb technology differently and the spillover occurrence is more relevant at developed countries. It was observed that the value added at electricity sector would be more associated to systemic factors than to electrical machines and equipment international trade.