Publications

2025-08-14

ARVAL Report on EVs and the Future of Charging: Smart charging, V2G, V2X, and Transforming Vehicles into Energy Assets

With smart charging, electric vehicles (EVs), charging stations, and the grid exchange data to optimize the time and speed of charging, based on electricity prices, grid demand, and user needs. This enables users to adjust their charging patterns and favor times of low demand or high renewable energy availability. Read more about smart charging efficiency in the report.
2025-08-14

ACER’s First Recommendation on Inter-Temporal Cost Allocation Mechanisms for Financing Hydrogen Infrastructure

ACER’s Recommendation identifies key investment risks in hydrogen infrastructure and suggests ways to address them. It offers high-level guidance on designing fair and effective inter-temporal cost allocation mechanisms to support the development of the hydrogen market.
2025-08-14

Energy Innovation & RETA Report on Regulating Hydrogen: A Primer For Energy Regulators

This paper pulls together insights from a collaborative process involving two global workshops and hundreds of comments from energy regulators from around the world. The roadmap identifies the key issue areas that fall within energy regulators’ purview.
2025-07-08

ERRA Regulatory Story of the Quarter: Price Zero, Or Less, For 17 Hours In A Row: “Happy Hours” For Electricity in France

On June 5th, 2025 France experienced a special event of the power system. Despite being a normal working day, the day-ahead market recorded electricity prices in France equal to zero or slightly negative for a full row of 17 consecutive hours, marking an unprecedented record for the duration of this phenomenon, which signals a production surplus.
2025-06-06

Case Study from ANRE Romania on Injection Charge for Producers Connected to Distribution Networks – Featured in ERRA Spring Newsletter 2025

In Romania distribution networks are organized into eight geographical zones. Until 2021 there were eight major DSOs, each owning the distribution network in one of these zones and holding the distribution service concession for their respective zones. Currently, there are four DSOs: two smaller operators managing one distribution zone each and two larger operators managing three distribution zones each, following mergers of previous companies.
2025-05-29

ERRA GF COM Report on Gas Networks: Risks of Stranded Costs & Potential Benefits of Repurposing – Hydrogen & Biomethane Blending

ERRA Gaseous Fuels Markets and Economic Regulation Committee presents its latest report on Gas Networks: Risks of Stranded Costs & Potential Benefits of Repurposing - Hydrogen & Biomethane Blending. The report summarizes the findings of a survey conducted by the GF COM across 12 member countries. It examines the regulatory, technical, and economic readiness for repurposing natural gas infrastructure for hydrogen and biomethane integration.
2025-05-29

ERRA Report: Grid Investments – Regulatory Evaluation and Incentives

This ERRA report examines how energy regulators evaluate grid investment plans and implement incentives to ensure efficient and timely introduction of critical electricity infrastructures. Building on previous ERRA EMER Committee work, and on a deep survey of 13 ERRA regulators, it provides a comprehensive analysis of regulatory approaches across multiple jurisdictions, both EU and non-EU, offering insights into current practices and emerging trends. Five in-depth case studies are examined in chapter 5.

ERRA Online Training Course: Introduction to Balancing Markets (September 10-21, 2025)