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The Boston Globe

Business

NStar’s merger with Northeast Utilities now finalized

The merger finalized Tuesday between Boston’s NStar and Connecticut’s Northeast Utilities has created one of the nation’s largest energy delivery companies, with more money to invest in system improvements, more crews to fix power outages, and better bargaining power to negotiate lower rates for customers, chief executive Thomas J. May said.

NStar is now a subsidiary of the combined utility, which will be the region’s largest, serving nearly 3.5 million electric and gas customers in Massachusetts, Connecticut, and New Hampshire. The company will retain the Northeast Utilities name, but be run by May, NStar’s longtime chief executive. It has dual headquarters in Boston and Hartford and 9,000 employees.

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