(6) Utility Plant

Major classes of utility plant as of December 31 are as follows:



Electric plant in service:	2016		2015
Steam production plant	$	101,116,277	$	100,938,247
Hydroelectric production plant		33,659,129		20,591,678
Other production plant		287,404,484		284,035,865
Transmission plant		282,040,969		277,490,606
Distribution plant		294,641,485		290,680,919
General plant		54,982,432		51,841,582
Unclassified electric plant in service1		83,457,981		95,611,615
Intangible plant1		5,455,371		5,455,371
Beluga River Natural Gas Field (BRU Asset & ARO)		47,927,331		0
Other1		1,828,409		1,828,409
Total electric plant in service		1,192,513,869		1,128,474,292
Construction work in progress		18,455,940		15,601,374
Total electric plant in service and construction work in progress	$	1,210,969,809	$	1,144,075,666

1Unclassified electric plant in service consists of complete unclassified general plant, generation plant, transmission plant and distribution plant. Depreciation of unclassified electric plant in service has been included in functional plant depreciation accounts in accordance with the anticipated eventual classification of the plant investment. Intangible plant represents Chugach's share of a Bradley Lake transmission line financed internally. Other represents Electric Plant Held for Future Use.