# Wartsila

the 31DF gas engine's new version cuts methane emissions by an average 41% versus the previous market best, and the 25DF with NextDF holds methane slip below 1.1% of fuel use.

Source: https://en.bioecon.ru/companies/wartsila/
Updated: 2026-06-30

- Country: Finland
- Ticker: HEL: WRT1V

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | EUR 6.0 billion (2023 net sales) | https://bunkermarket.com/nextdf-technology-wartsila-cuts-methane-emissions-in-25df-engines/, https://www.wartsila.com/docs/default-source/investors/financial-materials/corporate-presentations/w%C3%A4rtsil%C3%A4s-year-2023.pdf |
| Capacity | 35% expansion at Sustainable Technology Hub in Vaasa, Finland, to be commissioned in 2028 | https://www.wartsila.com/docs/default-source/investors/agm/agm-presentations/w%C3%A4rtsil%C3%A4-agm-ceo-review-2026.pdf?sfvrsn=f1961142_1, https://www.wartsila.com/docs/default-source/investors/financial-materials/interim-reports/q4-2025-result-presentation.pdf?sfvrsn=b2910a42_1, https://www.wartsila.com/docs/default-source/investors/financial-materials/interim-reports/w%C3%A4rtsil%C3%A4-financial-statements-bulletin-2025.pdf, https://www.wartsila.com/investors/blog/post/key-messages-and-q-a-on-financial-statements-bulletin-january-december-2025 |
| Production site | Sustainable Technology Hub (STH) in Vaasa, Finland; spare parts distribution centre in Kampen, the Netherlands | https://wartsi.ly/AR2025, https://www.wartsila.com/media/news/01-11-2023-new-version-of-the-wartsila-31df-engine-reduces-methane-emissions-by-an-additional-41-on-average-when-compared-to-previous-market-best-3351225, https://www.wartsila.com/static/financial-statements-2025.xhtml |
| Headcount | 17,879 employees at the end of 2025 | https://www.wartsila.com/static/financial-statements-2025.xhtml |
| Revenue | Not explicitly reported in selected snippets for 2025 fiscal year, though 2023 net sales were EUR 6.0 billion. | https://wartsi.ly/AR2025, https://www.wartsila.com/static/financial-statements-2025.xhtml |

Independent sources: bunkermarket.com

## Technologies

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