CHELCO earns this award based on data modeled by the ACSI^® in 2023 and 2024. Award criteria are determined by the ACSI based on customers rating their satisfaction with CHELCO in a survey independent of the syndicated ACSI Energy Utility Study. For more about the ACSI, visit www.theacsi.org/badges. ACSI and its logo are registered trademarks of the American Customer Satisfaction Index LLC.