EXHIBIT 8.1

LIST OF SUBSIDIARIES, JOINT VENTURES AND ASSOCIATES OF PAMPA ENERGÍA S.A.

		12.31.2022
Subsidiaries	Country	Direct and indirect participation %
Autotrol Renovables S.A.	Argentina	100%
Comercializadora e Inversora S.A.  (former Pampa Comercializadora S.A)	Argentina	100%
Enecor S.A.	Argentina	70%
Energía e Inversiones S.A.	Uruguay	100%
Energía Operaciones ENOPSA S.A.	Ecuador	100%
Generación Argentina SAU	Argentina	100%
Greenwind S.A.	Argentina	100%
Hidroeléctrica Diamante S.A.	Argentina	61%
Hidroeléctrica Los Nihuiles S.A.	Argentina	52.04%
Pampa Bloque18 S.A.	Ecuador	100%
Pampa Ecuador Inc	Nevis	100%
Pampa Energía Bolivia S.A.	Bolivia	100%
Pampa Inversiones S.A.	Uruguay	100%
PE Energía Ecuador LTD	Grand Cayman	100%
Petrolera San Carlos S.A.	Venezuela	100%
Vientos de Arauco Renovables S.A.U.	Argentina	100%
Vientos Solutions S.A.U.	Argentina	100%
Vientos Solutions S.L.U.	España	100%
2) Joint Ventures
Citelec S.A.	Argentina	50%
Compañía de Inversiones de Energía S.A. (CIESA)	Argentina	50%
CT Barragán S.A. (former Parques Eólicos Argentinos S.A.)	Argentina	50%
Empresa de Transporte de Energía Eléctrica por Distribución Troncal de la Provincia de Buenos Aires S.A. (Transba) (2)	Argentina	26.33%
Compañía de Transporte de Energía Eléctrica en Alta Tensión S.A. (Transener) (2)	Argentina	26.33%
Transportadora Gas del Sur S.A. (TGS)(3)	Argentina	29.264%
(2) Through a 50% interest, the company joint controls Citelec, company that controlled Transener with 52.65% of the shares and votes. As a result, the Company has an indirect participation of 26.33% in Transener. (3) The Company holds a direct and indirect interest of 3.764% in TGS and 50% in CIESA, a company that holds a 51% interest in the share capital of TGS. Therefore, the Company holds a direct and indirect participation of 29.264% in TGS.
3) Associates
Oleoducto de Crudos Pesados S.A.	Ecuador	15.91%
Oleoductos del Valle S.A.	Argentina	2.10%