Iberdrola has been recognised for the sixteenth year in a row by the prestigious Dow Jones Sustainability Index, a global benchmark for measuring business contribution to sustainable development, and also by other international sustainability indexes. It becomes the only present utility in the index since its creation in 1999.

Many environmental recognitions have also been awarded to Iberdrola and its employees, and to other Group companies and their staff.

Ethical Boardroom Best European utility for its good corporate governance practices
Global 100 The only Spanish electricity company among the 100 most sustainable companies in the world
Sustainability Yearbook 2016 Classified as "Silver Class" in the electricity sector
Dow Jones Sustainability World Index 2016 World leader utilities industry group 91 points
Carbon Disclosure Leadership Index 100 points
Carbon Performance Leadership Index A
FTSE 4Good First utility with nuclear assets to meet standards for FTSE 4 Good
Global Roundtable on Climate Change Iberdrola one of the developers
Environmental Tracking First Spanish utility
Vigeo y Euronext Iberdrola selected
MERCO 2016 Leader among Spanish utilities: energy, gas, and water industry
Newsweek and Corporate Knights Iberdrola first Spanish utility and fourth in the world
2015 World's Most Ethical Compay Iberdrola selected. Only Spanish utility.
AEMEC Best initiative in favour of minority shareholders
InfluenceMap Iberdrola in Top 25 scoring companies