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% |
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(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.
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| 3) Associates | ||
| Oleoducto de Crudos Pesados S.A. | Ecuador | 15.91% |
| Oleoductos del Valle S.A. | Argentina | 2.10% |