http://apps.fortum.fi/investors/Fortum_Financials_http://apps.fortum.fi/investors/Fortum_Financials_2016.pdf http://apps.fortum.fi/investors/Fortum_Tax_Footprint_2016.pdf Environmental responsibility Social responsibility Reporting principles and assurance Sustainability management Appendices Economic responsibility 21 Economic impacts Supply chain management Customer satisfaction and reputation For Fortum, customer satisfaction and reputation are a top priority in implementing the company’s strategy and in growing the business .