NEWS

As electricity systems transition rapidly toward decarbonisation, increasing reliance on variable renewable energy sources, growing electrification, and climate-related disruptions demand a fresh perspective on power system planning. This theoretical handbook presents a comprehensive and integrated framework for understanding and assessing resource adequacy—the ability of a power system to reliably meet demand under all foreseeable circumstances.

The Integrated Resource Adequacy Assessment (I-RAA) Framework offers a structured, multi-dimensional approach that moves beyond traditional, generation-focused adequacy assessments. It brings together elements across the electricity supply chain, including generation, fuel supply, transmission and distribution networks, demand-side resources, and electricity markets, while embedding standards of reliability and resilience throughout.

Key features of the report include:

• A historical and global overview of resource adequacy evolution and metrics
• Detailed taxonomy of the I-RAA framework components and their interdependencies
• Introduction of metrics for fuel, network, and operational adequacy
• Insights into resilience evaluation techniques and climate impact modelling
• Comparative discussion on electricity market designs and their role in ensuring adequacy
• A roadmap for countries to adapt and apply the framework to their power system planning

This publication sets the stage for further national applications, including follow-up reports tailored to the Indian context and the development of modelling tools to support decision-making.

Ideal for regulators, utilities, system planners, researchers, and energy policy professionals, the handbook serves as a reference point for evolving global discourse on reliable and resilient electricity systems in a net-zero future.

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