Sociedad Eléctrica del Sur Oeste S.A. Announced earnings results for the full year ended December 31, 2020. For the full year, the company announced sales was PEN 556.772 million compared to PEN 560.359 million a year ago. Operating income was PEN 92.161 million compared to PEN 99.570 million a year ago. Net income was PEN 62.807 million compared to PEN 70.699 million a year ago.