TY - JOUR AU - Santamaría, Diego AU - Almena, Alberto AU - Sánchez García, Antonio AU - Martín Martín, Mariano PY - 2026 UR - http://hdl.handle.net/10366/172110 AB - [EN]Energy storage is a critical component in the transition to a renewable based energy system. To face this challenge, Power-to-X technologies are gaining increased attention. This study investigates the conversion of surplus electricity from wind... LA - eng PB - Elsevier KW - Carbon capture KW - Hydrogen KW - Methane KW - Combined Cycle Power Plant KW - Power-to-Methane TI - Retrofitting existing combined cycle power plants to enable carbon circularity through Power-to-Methane energy storage DO - 10.1016/j.enconman.2026.121429 T2 - Energy Conversion and Management VL - 357 M2 - 121429 ER -