Research & Papers

Designing Active Operation in Low-Voltage Distribution Grids: Requirements, Interfaces and Roadmap

New paper outlines how AI and market-based controls can manage solar, EVs, and storage on local grids.

Deep Dive

A team of European researchers has published a significant roadmap for transforming passive local electricity grids into intelligent, actively managed networks. The paper, titled 'Designing Active Operation in Low-Voltage Distribution Grids: Requirements, Interfaces and Roadmap,' was authored by Eric Tönges, Andrea Schoen, and colleagues and is accepted for the CIRED 2026 Brussels Workshop. It addresses the critical challenge facing distribution system operators (DSOs): how to manage the influx of decentralized assets like rooftop solar panels, electric vehicle chargers, and home batteries without causing grid instability. The authors argue that current passive grid operation is insufficient, and a shift to active control is necessary, enabled by new European regulations that allow for grid-oriented interventions and market-based procurement of flexibility.

The core of the proposal is a structured system built on three pillars. First is measurement placement and observability—installing sensors to see what's happening on the grid in real time. Second is establishing secure, interoperable communication architectures so that grid controllers, market platforms, and millions of assets can talk to each other securely. The third and most complex pillar is integrating market-based optimization (where devices bid to provide services) with grid-oriented optimization (where the DSO ensures technical stability).

To guide implementation, the researchers present a detailed four-phase roadmap. This spans from initial requirements and use-case definition, through method development and simulation, to laboratory and field validation, and finally a full roll-out with system-level feedback. This phased approach is designed to provide clear guidance for both utility engineers and academic researchers, moving from theoretical models to real-world deployment. The work highlights that successfully managing the energy transition requires not just new hardware, but sophisticated software architectures, market designs, and control algorithms that can coordinate a vast, distributed network of energy resources.

Key Points
  • Proposes a 3-pillar framework for active grid control: measurement/observability, secure communication interfaces, and integrated market/grid optimization.
  • Outlines a 4-phase implementation roadmap spanning use-case definition, simulation, field validation, and full roll-out for utilities.
  • Directly addresses the challenge of managing decentralized solar, EV chargers, and storage on local low-voltage networks.

Why It Matters

Provides a critical blueprint for utilities to integrate renewables and EVs without overloading the grid, enabling a faster clean energy transition.