The companies trialled using wind energy as well as solar to power a site in Germany.
The EU Digital Decade initiative outlines how green developments in technologies such as 5G can help contribute towards fighting climate change. They can also help with achieving the aims of the European Green Deal.
The French regulator Arcep says that introducing 5G in the 3.6 GHz band will lead to reduced energy consumption when compared to a 4G-only network.
This was one of the key takeaways from the third 5G Observatory workshop, which also highlighted green issues and the need to reconsider geographic coverage.
Vodafone has announced that it has completed a trial of a new 5G radio which saw energy consumption decrease by a daily average of 43%, and as much as 55% at off-peak times.