Helen

helen.fi

Sähköyhtiö, josta saat sähköä kaikkialle Suomeen. Kaukolämpöä ja kaukojäähdytystä toimitamme Helsinkiin.

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Visit helen.fi → On Hacker News Dec 2009 – Nov 2023

Infrastructure & DevOps 2 Systems & Performance 1 Science & Space 1

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Gigantic heat caverns in Mustikkamaa have now been filled with water (2021)

2023174 points103 comments Science & Space details

The filling of underground heat caverns in Mustikkamaa with water has been completed this week, and the use of the heat caverns for heating homes in Helsinki is a step closer.

Helsinki server room heats 500 houses

200952 points10 comments Infrastructure & DevOps details