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Substation

National Grid substation in Leominster.

Noisy Transformer Forces Leominster Family Out Of Their Home

The transformer began making a constant humming sound after the October snowstorm. It became so severe a doctor told said it was affecting a child’s health.

03/05/2012

2 National Grid workers hurt in Mass.

Two utility workers performing routine maintenance work at a National Grid substation have been injured in an “incident” that also knocked out power to about 4,000 customers in Everett and Malden.

09/28/2010