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PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2021

PROPERTY, PLANT AND EQUIPMENT [Abstract]

12.	PROPERTY, PLANT AND EQUIPMENT

	2021
	Cost												Depreciation and Impairment
											End of the		Accumulated at the beginning									Accumulated at the end		Net
	Beginning										End of the		Accumulated at the beginning									Accumulated at the end		Net
Account	of the year		Additions		Retirements			Transfers			year		of the year		Retirements			For the year		rate %		of the year		book value
Pipelines		135,305,436		-		(301	)		770,793			136,075,928		71,064,099		(175	)		3,299,818		2.2		74,363,742		61,712,186

Compressor plants		57,752,059		-		(38	)		2,229,730			59,981,751		38,893,212		(36	)		2,511,041	3.3 to 25			41,404,217		18,577,534

Other plants		54,432		-		-			-			54,432		21,934		-			1,739		3.3		23,673		30,759

Stations of regulation and/or measurement of pressure		4,585,900		-		-			292,390			4,878,290		3,717,174		-			127,448		4.0		3,844,622		1,033,668

Other technical installations		873,486		-		-			134,992			1,008,478		769,608		-			22,163		6.7		791,771		216,707

Subtotal assets related to natural gas transportation service		198,571,313		-		(339	)		3,427,905			201,998,879		114,466,027		(211	)		5,962,209				120,428,025		81,570,854

Non-regulated segment Pipelines		22,271,495		-		-			70,240			22,341,735		997,033		-			740,111		2.2		1,737,144		20,604,591

Non-regulated segment Compressor plants		4,292,535		-		-			31,029			4,323,564		2,101,299		-			450,069	3.3 to 25			2,551,368		1,772,196

Non-regulated segment Other plants		38,907,989		-		-			922,104			39,830,093		22,083,555		-			1,008,965		3.3		23,092,520		16,737,573

Non-regulated segment Stations of regulation and/or measurement of pressure		1,343,196		1,357		-			107,833			1,452,386		141,297		-			56,098		4.0		197,395		1,254,991

Non-regulated segment Other technical installations		521,985		-		-			12,372			534,357		249,184		-			47,452		6.7		296,636		237,721

Subtotal assets related to Other Services and Production and Commercialization of Liquids		67,337,200		1,357		-			1,143,578			68,482,135		25,572,368		-			2,302,695				27,875,063		40,607,072

Lands		727,730		-		-			-			727,730		-		-			-		-		-		727,730

Buildings and constructions		7,698,249		-		(6	)		312,599			8,010,842		3,895,659		(5	)		153,476		2.0		4,049,130		3,961,712

Facilities and features in building		542,083		-		(20	)		51,920			593,983		254,613		(19	)		15,782		4.0		270,376		323,607

Machinery, equipment and tools		2,406,493		218,633		-			123,162			2,748,288		1,539,619		-			237,147	6.7 to 10			1,776,766		971,522

UT Machinery, equipment and tools		1,869		-		-			-			1,869		1,869		-			-	6.7 to 10			1,869		-

Computers and Telecommunication systems		10,873,164		-		-			867,601			11,740,765		8,179,237		-			845,701	6.7 to 20			9,024,938		2,715,827

Vehicles		1,062,731		78,872		(1,235	)		-			1,140,368		794,417		(1,027	)		90,550		20		883,940		256,428

Furniture		471,427		19,022		-			40			490,489		459,845		-			3,223		10		463,068		27,421

Materials		7,156,742		3,325,953		(64,262	)		(2,311,862	)		8,106,571		-		-			-		-		-		8,106,571

Line pack		1,095,009		-		-			-			1,095,009		56,810		-			-		-		56,810		1,038,199

Works in progress		6,517,616		6,967,429		-			(3,614,943	)		9,870,102		-		-			-		-		-		9,870,102

Total		304,461,626		10,611,266		(65,862	)		-			315,007,030		155,220,464		(1,262	)		9,610,783				164,829,985		150,177,045

	2020
	Cost												Depreciation and Impairment
											End of the		Accumulated at the beginning									Accumulated at the end				Net
	Beginning										End of the		Accumulated at the beginning									Accumulated at the end				Net
Account	of the year		Additions		Retirements			Transfers			year		of the year		Retirements			For the year		rate %		of the year		Impairment		book value
Pipelines		130,158,535		-		(52,982	)		5,199,883			135,305,436		64,201,733		(29,053	)		3,319,258		2.2		67,491,938		3,572,161		64,241,337

Compressor plants		52,858,457		10,865		-			4,882,737			57,752,059		35,386,123		-			2,434,145	3.3 to 25			37,820,268		1,072,944		18,858,847

Other plants		54,432		-		-			-			54,432		18,369		-			1,846		3.3		20,215		1,719		32,498

Stations of regulation and/or measurement of pressure		4,456,518		-		(1,469	)		130,851			4,585,900		3,546,910		(1,286	)		123,685		4.0		3,669,309		47,865		868,726

Other technical installations		865,450		-		-			8,036			873,486		744,503		-			19,387		6.7		763,890		5,718		103,878

Subtotal assets related to natural gas transportation service		188,393,392		10,865		(54,451	)		10,221,507			198,571,313		103,897,638		(30,339	)		5,898,321				109,765,620		4,700,407		84,105,286

Non-regulated segment Pipelines		21,031,829		361		-			1,239,305			22,271,495		259,618		-			737,415		2.2		997,033		-		21,274,462

Non-regulated segment Compressor plants		4,225,618		-		-			66,917			4,292,535		1,644,204		-			457,095	3.3 to 25			2,101,299		-		2,191,236

Non-regulated segment Other plants		37,097,195		-		(1,016	)		1,811,810			38,907,989		21,143,111		(8	)		940,452		3.3		22,083,555		-		16,824,434

Non-regulated segment Stations of regulation and/or measurement of pressure		1,294,185		1,757		(1,645	)		48,899			1,343,196		89,941		-			51,356		4.0		141,297		-		1,201,899

Non-regulated segment Other technical installations		521,985		-		-			-			521,985		202,193		-			46,991		6.7		249,184		-		272,801

Subtotal assets related to Other Services and Production and Commercialization of Liquids		64,170,812		2,118		(2,661	)		3,166,931			67,337,200		23,339,067		(8	)		2,233,309				25,572,368		-		41,764,832

Lands		727,730		-		-			-			727,730		-		-			-		-		-		-		727,730

Buildings and constructions		7,288,951		-		-			409,298			7,698,249		3,741,320		-			154,339		2.0		3,895,659		-		3,802,590

Facilities and features in building		542,083		-		-			-			542,083		239,004		-			15,609		4.0		254,613		-		287,470

Machinery, equipment and tools		2,270,116		103,386		-			32,991			2,406,493		1,336,618		-			203,001		6.7 a 10		1,539,619		-		866,874

UT Machinery, equipment and tools		1,869		-		-			-			1,869		1,869		-			-		6.7 a 10		1,869		-		-

Computers and Telecommunication systems		9,953,315		-		-			919,849			10,873,164		7,485,476		-			693,761		6.7 a 20		8,179,237		-		2,693,927

Vehicles		1,051,576		13,709		(2,554	)		-			1,062,731		696,688		(1,266	)		98,995		20.0		794,417		-		268,314

Furniture		469,632		302		-			1,493			471,427		457,315		-			2,530		10.0		459,845		-		11,582

Materials		6,457,244		3,806,177		(24,611	)		(3,082,068	)		7,156,742		-		-			-		-		-		-		7,156,742

Line pack		1,016,267		-		-			78,742			1,095,009		56,810		-			-		-		56,810		-		1,038,199

Works in progress		12,109,325		6,157,034		-			(11,748,743	)		6,517,616		-		-			-		-		-		-		6,517,616

Total		294,452,312		10,093,591		(84,277	)		-			304,461,626		141,251,805		(31,613	)		9,299,865				150,520,057		4,700,407		149,241,162

The following is the composition of the resulting net value of Property, plant and equipment as of December 31, 2021 and 2020:

	2021			2020
Cost		315,007,030			304,461,626
Accumulated depreciation and impairment		(164,829,985	)		(155,220,464	)
Total		150,177,045			149,241,162

As of December 31, 2021 and 2020, the assets related to the Other Services and Production and Commercialization of Liquids segments contains the following assets for right of use:

	2021		2020
Other plants		644,866		783,052
Compressor plants		1,601,029		1,944,107
Other technical installations		182,050		221,060
Total		2,427,945		2,948,219

The book value variation of the rights-of use accounted during the years ended on December 31, 2021 and 2020 corresponds to its depreciation:

	2021			2020			2019
Other plants		(138,186	)		(138,186	)		(138,186	)
Compressor plants		(343,078	)		(343,078	)		(343,078	)
Other technical installations		(39,010	)		(39,009	)		(39,009	)
Total		(520,274	)		(520,273	)		(520,273	)

The right to use these assets expires in September 2026, at which time the purchase options provided for in the contracts may be exercised.