Unitil/Fitchburg Gas & Electric Light Co. UTILITIES Unitil/Fitchburg Gas & Electric Light Co. Visit Website Request Info 357 Electric Avenue Lunenburg, MA 01462 (888) 301-7700 (978) 353-3334 (fax) Rep Info Map Whom to Contact Caroline Chellis What's Nearby? Distance: 5 10 15 20 25 50 mi.