Property, plant, and equipment (Tables)

12 Months Ended

Dec. 31, 2025

Schedule of plant and equipment and depreciation and impairment


		Plant		Pipelines,		Construction
		and		networks,		in
		equipment		and lines		progress		Buildings		Lands		Other		Total
Cost
Balance as of December 31, 2024		63,183		63,501		18,304		19,528		5,137		3,290		172,943
Additions/capitalizations (1)		3,145		3,347		1,723		1,203		12		343		9,773
Acquisition of wind and solar energy companies (2)		—		—		74		556		—		—		630
Abandonment cost update (Note 23)		370		203		—		—		—		—		573
Capitalized financial interests (3)		189		194		(12)		74		1		23		469
Exchange differences capitalized		1		1		—		1		—		—		3
Disposals		(505)		(183)		(18)		(28)		(34)		(79)		(847)
Foreign currency translation		(5,008)		(3,020)		(227)		(1,221)		(324)		(171)		(9,971)
Reclassifications/transfers		781		1,821		(2,281)		(190)		51		38		220
Balance as of December 31, 2025		62,156		65,864		17,563		19,923		4,843		3,444		173,793

Accumulated depreciation and impairment losses
Balance as of December 31, 2024		(28,174)		(26,049)		(1,659)		(8,139)		(167)		(1,300)		(65,488)
Depreciation expense		(3,288)		(2,701)		—		(903)		—		(130)		(7,022)
Recovery (loss) impairment (Note 18)		3		138		49		59		10		(5)		254
Disposals		475		164		—		24		21		41		725
Foreign currency translation		1,967		1,260		—		463		13		108		3,811
Reclassifications/transfers		(124)		(142)		188		(22)		6		125		31
Balance as of December 31, 2025		(29,141)		(27,330)		(1,422)		(8,518)		(117)		(1,161)		(67,689)

Net balance as of December 31, 2024		35,009		37,452		16,645		11,389		4,970		1,990		107,455
Net balance as of December 31, 2025		33,015		38,534		16,141		11,405		4,726		2,283		106,104

(1)

It mainly includes: i) Ecopetrol S.A. ongoing projects associated with the Caño Sur, Rubiales, Akacias, Castilla, and Chichimene fields and the Barrancabermeja Refinery; ii) Interconexión Eléctrica S.A. E.S.P. ongoing projects: UPME 04-2019 La Loma - Sogamoso 500 kV Transmission Line, connection of the Alpha and Beta wind farms to the Nueva Cuestecitas substation, connection of the Windpeshi wind project to the Cuestecitas 200 kV substation, asset optimization plan, and the San Mateo and Betania substation renovation projects.

(2)	The assets in this acquisition consist of the Windpeshi wind project in La Guajira ($65) and a portfolio of solar project companies in Colombia ($565) (See Note 12).

(3)	Financial interest is capitalized based on the weighted average rate of borrowing costs.


		Plant		Pipelines,		Construction
		and		networks,		in
		equipment		and lines		progress		Buildings		Lands		Other		Total
Cost
Balance as of December 31, 2023		54,897		58,585		15,520		16,668		4,833		3,338		153,841
Additions/capitalizations (1)		2,999		2,427		3,121		892		12		70		9,521
CPO-09 assets in business combination (2)		716		—		275		248		—		—		1,239
Fair value adjustment in business combination (2)		1,011		—		75		350		—		—		1,436
Abandonment cost update (Note 23)		(11)		2		—		—		—		—		(9)
Capitalized financial interests (3)		253		96		37		41		1		—		428
Exchange differences capitalized		1		1		—		—		—		—		2
Disposals		(918)		(276)		(12)		(71)		(2)		(105)		(1,384)
Field reversal		5		6		—		4		—		—		15
Foreign currency translation		4,509		2,639		184		1,100		292		143		8,867
Reclassifications/transfers (4)		(279)		21		(896)		296		1		(156)		(1,013)
Balance as of December 31, 2024		63,183		63,501		18,304		19,528		5,137		3,290		172,943

Accumulated depreciation and impairment losses
Balance as of December 31, 2023		(24,981)		(23,488)		(1,688)		(7,146)		(168)		(1,197)		(58,668)
Depreciation expense		(2,821)		(2,354)		—		(734)		—		(159)		(6,068)
Recovery (loss) impairment (Note 18)		807		299		(138)		275		15		3		1,261
Disposals		834		224		—		51		3		85		1,197
Foreign currency translation		(1,722)		(1,046)		—		(411)		(15)		(83)		(3,277)
Reclassifications/transfers		(291)		316		167		(174)		(2)		51		67
Balance as of December 31, 2024		(28,174)		(26,049)		(1,659)		(8,139)		(167)		(1,300)		(65,488)

Net balance as of December 31, 2023		29,916		35,097		13,832		9,522		4,665		2,141		95,173
Net balance as of December 31, 2024		35,009		37,452		16,645		11,389		4,970		1,990		107,455

(1)

Mainly includes: i) Ecopetrol S.A. projects in progress associated with the Akacías, Caño Sur, Rubiales, Castilla, Chichimene, Cupiagua fields and the Barrancabermeja Refinery ii) Interconexión eléctricas S.A. E.S.P projects in progress: UPME 09-2016 Copey–Cuestecitas, 500 kV and Copey–Fundación, 220 kV, UPME 04-2019 La Loma - Sogamoso 500 kV Transmission Line, Connection of the Alpha and Beta wind farms to the Nueva Cuestecitas substation, Copey - Cuestecitas 500kV Second Circuit Project, Connection of the Windpeshi wind farm to the Cuestecitas 200kV substation and asset optimization plan.

(2)

Ecopetrol signed a binding sale and purchase agreement (SPA) with Repsol Colombia Oil & Gas Limited (“Repsol”) to acquire a 45% interest in Block CPO-09 for USD $452 million, making it the owner of 100% of the participating interest in said block. As established in the agreement, December 31, 2024, was defined as the economic and control date of operations, on which Ecopetrol S.A. assumed the rights, responsibilities and obligations, including any income, costs and expenses of the asset. This transaction was recognized as a business combination (step acquisition).

(3)	Financial interest is capitalized based on the weighted average rate of borrowing costs.

(4)	It corresponds mainly to i) recognition of McDermott’s shares in Refinería de Cartagena S.A.S. (see Note 23.4) and ii) additions and transfers in transmission lines of Interconexión eléctricas S.A. E.S.P due to the entry into operation of the projects.