Recognition for ESG performance
Wärtsilä's sustainability performance is assessed by various ESG rating agencies. Please see below how our work and actions towards sustainable societies have been recognised:
| Rating | Scale (from lowest to highest) | Wärtsilä score | Sector average | Year |
| CDP | D- to A | Climate B- Water C | Climate C Water C | 2023 |
| Dow Jones* | 0 to 100 | 63** | 21 | 2023 |
| FTSE Russell | 1 to 5 | 3.5 | 2.2 | 2023 |
| MSCI | CCC to AAA | AAA | AA | 2023 |
| Sustainalytics | 100 to 0 | 24*** | 29 | 2024 |
* Wärtsilä is listed in DJSI Europe
** Percentile ranking in the sector: among the best 3%
*** ESG risk rating is scored on 0-100 range with 0 being the highest and 100 the lowest score
Wärtsilä is included in the following ESG indices:
ECPI ESG Indices
Wärtsilä is a constituent of the following ECPI indices: ECPI Global Clean Energy, ECPI World ESG Equity, ECPI Global Developed ESG Best in Class, and ECPI Euro ESG Equity.
FTSE4Good Index
FTSE4Good Index Series is designed to measure the performance of companies demonstrating strong Environmental, Social and Governance (ESG) practices against globally recognised standards. Wärtsilä has been included in the index since 2009.
ISS ESG Rating
ISS ESG Corporate Rating evaluates companies’ ESG-related risks, opportunities, and impact along the corporate value chain. ISS ESG awards companies with an ESG performance above the sector-specific Prime threshold, which means that they fulfil ambitious absolute performance requirements. In 2024, Wärtsilä's rating was C+ Prime (on a scale of D- to A+).
MSCI ESG Leaders Index
The MSCI ACWI ESG Leaders Index is a free float-adjusted market capitalization-weighted index designed to represent the performance of companies that are selected from the MSCI AWCI Index (“Parent Index”) based on Environmental, Social and Governance (ESG) criteria. Wärtsilä has been included in the index since 2015.
Nasdaq ESG Transparency Partner
Wärtsilä is certified as a Nasdaq ESG Transparency Partner. This certification signals engagement in market transparency and in raising environmental standards.
OMX Sustainability Finland Index
The OMX Finland Sustainability Indexes comprise the leading companies in terms of sustainability and are selected based on how well they meet the criteria for environmental, social and governance (ESG) issues. The criteria is based upon international guidelines for ESG issues and supports investor considerations to the UN Principles for Responsible Investments. Wärtsilä has been included in the index since 2010.
Solactive Indices
Wärtsilä is included in the Solactive Europe Corporate Social Responsibility Index. The criteria focus on human rights, human capital, environmental and social impact, market ethics, and corporate governance. The index relies on the Forum Ethibel methodology.
S&P Global Sustainability Yearbook
S&P Global is a provider of credit ratings, benchmarks and analytics in the global capital and commodity markets, offering data and insights on critical business factors including ESG. The Sustainability Yearbook ranks companies in the S&P Global Corporate Sustainability Assessments (CSA), which is the basis for the S&P Global ESG Score. S&P Global ESG Scores also form the key factor for selecting companies for the Dow Jones Sustainability Indices (DJSI). Wärtsilä has been included in the Yearbook since 2014.
STOXX Global ESG Leaders index
The STOXX Global ESG Leaders index offers a representation of the leading global companies in terms of environmental, social and governance criteria. Wärtsilä has been included in the index since 2016.