Regulatory Approaches to the Challenges Posed by the Energy and Digital Transitions: Global Lessons from 20 Leading Electricity Distribution System Operators (DSOs)

Michael G. Pollitt, Daniel Duma, Andrei Covatariu and Paul Nillesen

Cambridge Working Papers in Economics from Faculty of Economics, University of Cambridge

Abstract: This paper examines how electricity distribution system operators (DSOs) and their regulators are responding to the operational challenges posed by the energy and digital transitions. Focusing on a sample of 20 advanced DSOs in Europe, North America, and Asia-Pacific, we identify four challenges (the "4Cs"): distributed energy resources, electric vehicles, electrified heating and cooling, and data centres. Using a review of DSO and regulator reports, we create a typology and map of regulatory responses designed to incentivize DSOs to address these challenges. Despite differences in system conditions and institutional settings, a convergence in regulatory approaches is observed especially in moving from a reinforcement -led model toward active system management based on flexibility mechanisms, revised connection regimes, adaptive planning and more cost-reflective tariff structures. Interpreting these developments through the lens of the "learning regulator" we show that regulatory responses display dynamic, adaptive, and responsive features, as regulatory authorities experiment with new tools to cope with the uncertainty of the energy transition. The findings suggest that common patterns are emerging that can inform jurisdictions at earlier stages of the transition.

Keywords: Distribution System Operators; Energy Transition; Regulation (search for similar items in EconPapers)
JEL-codes: L94 (search for similar items in EconPapers)
Date: 2026-06-08
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