TY - RPRT TI - Hybrid Power Purchase Agreements for Flexible 24/7 Energy Delivery – A Comprehensive Review of Current Practices and Research Pathways AU - Zhao, Dongwei AU - Zhou, Zhi AU - Boff, Daniel AU - Fernandez, Alisha PY - 2026 DO - 10.1016/j.apenergy.2026.127509 UR - https://www.osti.gov/biblio/3705553 ID - 3705553 ER -