This is Otter Tail Power Company’s tenth sustainability report. We've prepared the report considering Global Reporting Initiative (GRI) Standards Core Option, Sustainability Accounting Standards Board (SASB), and Taskforce for Climate-Related Financial Disclosure (TCFD) frameworks. We are reporting on 2022 year-end data, unless otherwise indicated.

EEI Electric Company Carbon Emissions and Electricity Mix Reporting Database
(Can be used by customers to calculate Scope 2 carbon emissions.)