Olavi Raunio will join Gren as Head of Nordics

Gren ESG report 2023 has been published

Jussi Terho joins Gren as a Head of Procurement

Gren has finalized the acquisition process of a sustainable energy producer in Riga

Gren in Estonia invests over EUR 20 million in upgrading heating networks

Gren has participated in Eleport’s funding round and decided to strengthen its commitment to the company

Gren klientu portāls
Gren is commencing the annual Customer Satisfaction Survey

Plywood chips for heat, steam, and electricity at Pärnu Metsä Wood mill

Welcome to our new website!  

Gren and Tartu Veevärk to commence studies for producing heat from wastewater