Delhaize uses AlpEnergie, which is 100% certified renewable energy supplied by Electrabel. The electricity is generated in 19 hydropower stations owned by the Compagnie Nationale du Rhône in the French Alps. The independent agency TŰV guarantees (with certificates) to Delhaize that the power they buy is renewable.

The biggest user on the international list is still the Austrian Federal Railways, ÖBB, with an annual use of 1,536,000 MWh, followed by Swedish Railways with an annual use of 1,500,000 MWh. Third on the GreenPrices Top 25 list is British Telecom with an annual use of 1,000,000 MWh.

Click here to view the GreenPrices Top 25