Companhia Energética do Rio Grande do Norte - COSERN reported earnings results for the fourth quarter ended December 31, 2021. For the fourth quarter, the company reported sales was BRL 952 million compared to BRL 847 million a year ago. Revenue was BRL 894 million compared to BRL 792 million a year ago.

Net income was BRL 146 million compared to BRL 99 million a year ago.