Luz del Sur S.A.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced total revenue was PEN 821.629 million compared to PEN 854.799 million a year ago. Operating income was PEN 184.531 million compared to PEN 230.546 million a year ago. Net income was PEN 111.226 million compared to PEN 145.264 million a year ago.