SmartestEnergy (SEL), the energy firm owned by Japanese investment firm Marubeni Corporation, has entered the Iberian and Latin American markets through the acquisition of an 85% stake in Factor Energia (FE) for €204m.
Founded in 1999 as Spain’s first independent power retailer following market liberalisation, Factor Energia operates a power and gas wholesale and retail business serving commercial and residential customers across Iberia and Latin America.
SmartestEnergy was established in the UK in 2000 and expanded into the North American and Australian markets in 2020. In 2025, the firm launched Marubeni Power Trading Corporation in Japan, in partnership with Marubeni Power Retail Corporation, to conduct power trading activities in the Japanese market.
The acquisition of Factor Energia will support SmartestEnergy’s target of enhancing product offerings and customer services while further expanding its power and gas retail business across Europe and the Americas, the company said.
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