The company received attention after the Merrimack Valley gas explosions in September 2018.
[1] Columbia Gas was also ordered to pay a $53 million fine for violating the Pipeline Safety Act.
[2] The acquisition by Eversource was completed in October 2020, effectively ending Columbia Gas operations in Massachusetts.
On September 14, Governor of Massachusetts Charlie Baker declared a state of emergency, and issued a decree appointing Eversource to evaluate and oversee the management of the gas distribution system in the affected area.
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