Sociedad Eléctrica del Sur Oeste S.A. announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was PEN 145.644 million compared to PEN 141.413 million a year ago. Operating income was PEN 26.833 million compared to PEN 25.706 million a year ago. Net income was PEN 19.322 million compared to PEN 18.054 million a year ago.