Lunenburg

Unitil Corp., the New Hampshire utility that provides electricity to homes and businesses in Fitchburg, Ashby, Lunenburg...

Unitil Corp., the New Hampshire-based utility that provides power to customers in Fitchburg, Ashby, Lunenburg and Townsend, reported increased earnings over fiscal 2012 in the third quarter ended Sept. 30, thanks to a jump in natural gas sales.

Unitil Corp., the utility that serves Fitchburg, Lunenberg and Townsend, reported a loss of $100,000 for its most recent fiscal quarter, a 75-percent drop from the loss it declared in the second quarter of 2012.

Unitil Corp. is asking the state to approve a rate increase that would account for $6.7 million in revenue for the company — an 11.5-percent increase — but have a minimal impact on customers due to other charges ending.

These Central Massachusetts businesses filed incorporation papers with the Massachusetts Secretary of State's Office from May 1-15,...