Property, plant and equipment and construction in progress

12 Months Ended

Dec. 31, 2021

Property, plant and equipment and construction in progress

Property, plant and equipment and construction in progress

7. Property, plant and equipment and construction in progress

	December 31,
	2021		2020
Land	$	3,316,537	$	3,566,537
Buildings		23,255,925		23,250,843
Plant and equipment		64,324,377		63,734,860
Distribution system		39,780,272		39,149,063
Office furniture, fixtures and equipment		3,051,814		3,083,811
Vehicles		2,079,874		1,999,463
Leasehold improvements		287,980		274,230
Lab equipment		12,456		12,456
		136,109,235		135,071,263
Less accumulated depreciation		83,162,696		77,383,279
Property, plant and equipment, net	$	52,946,539	$	57,687,984
Construction in progress	$	710,863	$	440,384

As of December 31, 2021, the Company had outstanding capital commitments of approximately $2.7 million. The Company maintains insurance for loss or damage to all fixed assets that it deems susceptible to loss. During the years ended December 31, 2021 and 2020, $644,224 and $1,653,501, respectively, of construction in progress was placed in service. Depreciation expense was $5,995,213 and $6,335,489 for the years ended December 31, 2021 and 2020, respectively.