St1
| Company type | Private |
|---|---|
| Founded | Station 1 Finland Oy was founded in 1997 |
| Headquarters | , |
Key people |
|
| Owner | Mika Anttonen |
| Parent | St1 Nordic Oy |
| Website | www |
St1 Suomi Oy is a Finnish energy company and a part of St1 Nordic group that operates in Finland, Sweden, Norway and the United Kingdom. In Finland St1 Suomi Oy has a sister company called St1 Lähienergia Oy, focused on ground source heating solutions. In September 2025 St1 announced that St1 Suomi Oy will merge its subsidiary, Lämpöpuisto Oy.