Offshore wind turbines in the North Sea will power around 12,000 Vodafone cellular network towers across Germany under a new deal that the mobile provider struck with German energy firm RWE. Vodafone operates a total of about 26,000 towers in the country. The offshore wind farm, named Kaskasi, is to supply a total of 250 gigawatt hours per year beginning in 2026, the two companies announced in Dusseldorf on Friday. The electricity supply contract has a term of 10 years. In return, Vodafone has i