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Eversource Energy is a diversified holding company with subsidiaries that provide rate-regulated electric, gas, and water distribution service to more than 4 million customers in the Northeast U.S. The company expanded its service territories with acquisitions of NStar (2012), Aquarion (2017), and Columbia Gas (2020). In 2024 Eversource exited its 50% partnership with European utility Orsted to develop 2 gigawatts of offshore wind projects in the Northeast U.S. The company exited most of its unregulated businesses in 2006.
Telefonica operates mobile and fixed networks in Spain (where it is the incumbent telephone operator), the UK, Germany, Brazil, and other Latin American countries like Colombia, Mexico, Argentina, and Chile. The company derives more than 30% of its revenue from Spain, close to 20% from Germany, and 20% from Brazil. Its UK operations are held through a joint venture with Virgin Media. For several years Telefonica has been simplifying its corporate structure by selling noncore assets.