0000950137-05-008095 11-K 1 20041231 20050629 20050629 BAY STATE GAS CO /NEW/ 0000010488 4924 042548120 MA 0930 11-K 34 002-35994 05922828 300 FRIBERG PKWY WESTBOROUGH MA 01581-5039 5088367000 300 FRIBERG PARKWAY WESTBOROUGH MA 01581-5039 SPRINGFIELD GAS LIGHT CO 19790108 11-K 1 c96208e11vk.htm ANNUAL REPORT