We produce sustainable energy solutions, from district heating to industrial energy services.
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Latest news and stories
17.04.24
Olavi Raunio will join Gren as Head of Nordics
11.04.24
Gren ESG report 2023 has been published
02.04.24
Jussi Terho joins Gren as a Head of Procurement
28.03.24
Gren has finalized the acquisition process of a sustainable energy producer in Riga
26.03.24
Gren in Estonia invests over EUR 20 million in upgrading heating networks
25.03.24
Gren has participated in Eleport’s funding round and decided to strengthen its commitment to the company
25.03.24
Gren is commencing the annual Customer Satisfaction Survey
20.02.24
Plywood chips for heat, steam, and electricity at Pärnu Metsä Wood mill
08.02.24
Welcome to our new website!
24.01.24
Gren and Tartu Veevärk to commence studies for producing heat from wastewater
10.01.24