Sustainability indexes
Sustainability and corporate reputation
Corporate social responsibility
At Iberdrola, our economic, environmental and social performance is subject to scrutiny by a wide range of specialised agencies. The analysis of our performance is very often reflected in the publication of specific indexes and reports that assess our commitment to sustainability and long-term value creation.
Valuation of Iberdrola in the main sustainability indexes
| Indexes/Organization | Rating/Situation | |
|---|---|---|
| Dow Jones Best-in-Class Indices | Dow Jones Best-in-Class World & Europe (S&P) | Leader in the Electric Utilities sector. Only European Electric utility included in the 25 editions, considered one of the most sustainable electric companies in the world. |
 |
Sustainability Yearbook 2026 | Top 10% S&P Global CSA Score |
 |
MSCI Global Sustainability Index Series | AAA rating in the MSCI ESG Ratings assessment |
|
|
CDP Climate Change 2025 [PDF] Enlace externo, se abre en ventana nueva. | A |
 |
CDP Supplier Engagement Leader | A |
 |
Sustainalytics | Iberdrola among the highest rated utilities |
 |
ISS ESG | Iberdrola classified as Prime |
 |
FTSE 4Good | Selected in the index since 2009 |
 |
Equileap | Top 100 Globally for gender equality in 2025 |
 |
Euronext indices: Eurozone 100 ESG | Iberdrola selected |
 |
EcoVadis | Iberdrola as one of the companies with the best performance |
 |
2025 World's Most Ethical Companies ranking prepared by the Ethisphere Institute | Only Spanish company present in the ranking. Consecutively selected since 2014 as one of the world's most ethical companies. |
| CLEAN200 2026 | You Sow & Corporate Knights | First utility in the ranking for its commitment to clean energy |
 |
ECPI Sense in sustainability | Iberdrola included in the most important indices. |
| STOXX Global ESG Leaders Indices | STOXX | Iberdrola included in the STOXX Global ESG Leaders and in the most important indices. |
 |
InfluenceMap | Iberdrola among the companies with the best performance |
| WBA Electric Utilities Benchmark | World Benchmarking Alliance | Iberdrola among the most influential utilities in the world |
 |
SE European Utilities Index | Iberdrola included in the index |
 |
Energy Intelligence | Iberdrola in the top 10 of the EI Green Utilities Report 2024 ranking |
| Forbes 2025 GLOBAL 2000: WORLD´S LARGEST PUBLIC COMPANIES | Forbes | Iberdrola selected in Forbes 2025 GLOBAL 2000: WORLD´S LARGEST PUBLIC COMPANIES |
 |
Brand Finance | Iberdrola among the 500 most valuable brands globally |
 |
WDi (Workforce Disclosure Initiative) | Iberdrola among the 10 % of companies with the best score |
