IRENA国际可再生能源署：2026年24/7可再生能源：可靠太阳能和风能的经济学报告（英文版）

Solar and wind have become the cheapest sources of new electricity generation worldwide. As renewable penetration rises, however, the central challenge of the energy transition is increasingly one of adequacy and flexibility – ensuring that clean electricity is available when and where it is needed. This report addresses that challenge by introducing firm levelised cost of electricity (firm LCOE) – a transparent, project-level benchmark for assessing the cost of delivering continuous, reliabl