Author: Levan Kokaia
Introduction
The increasing integration of renewable energy (RE) sources into the European Union's (UN) energy grid necessitates robust energy storage solutions to manage intermittency and ensure grid stability. While regulatory frameworks have evolved to accommodate advancements in energy storage, challenges persist in harmonization, market incentives and compliance. Simultaneously, artificial intelligence (AI) is emerging as a pivotal tool in optimizing energy storage systems, forecasting demand and enhancing regulatory compliance.
Presented publication analyzes the legal landscape governing RE storage in several EU countries, identifies existing challenges and explores how AI-driven solutions can address regulatory gaps.
1. Legal Framework of Energy Storage in Selected EU Countries
The European Green Deal emphasizes decarbonization, with energy storage playing a critical role in achieving net-zero emissions by 2050. The Renewable Energy Directive (RED II) set foundational rules for integrating energy storage within the EU energy market. However, discrepancies in national implementations create regulatory fragmentation. While the EU sets overarching directives, national policies on energy storage vary significantly among member states. Energy storage systems operate at the intersection of generation, transmission and consumption.
The following chapter provides an overview of regulatory approaches in Germany, France, Czechia, Italy, Spain, Portugal, Austria, Belgium, Poland and Greece.
Germany
Germany has a well-developed regulatory framework for energy storage, particularly supporting battery storage and hydrogen storage projects. The country provides financial incentives through the private banks and has integrated storage into its grid-balancing services. However, challenges remain in market access for independent storage providers due to grid ownership regulations.
France
The government promotes energy storage through subsidies and tax incentives, particularly for grid-scale batteries and pumped hydro storage. The French Energy Regulatory Commission oversees compliance, but the market still faces barriers due to complex licensing procedures.
Czechia
Czechia has recently started implementing energy storage regulations, with a focus on integrating batteries into the grid. Regulatory uncertainty remains, particularly concerning ownership models and tariff structures. The government is working on aligning national policies with EU directives to encourage investment.
Italy
Italy has a progressive stance on energy storage, with policies supporting battery deployment and pumped hydro expansion. The Italian Energy Authority has introduced capacity market mechanisms to incentivize storage participation in grid services. However, administrative barriers and high connection costs still pose challenges.
Spain
Spain has seen significant regulatory advancements in energy storage, including the introduction of capacity remuneration mechanisms. The country promotes self-consumption storage through tax incentives and grants. However, grid access limitations and lengthy permitting procedures hinder rapid deployment.
Portugal
Portugal has embraced energy storage as part of its renewable energy transition strategy. The government has introduced specific support schemes for storage projects, particularly in hybrid solar-plus-storage installations. Yet, regulatory gaps remain in defining storage as a standalone market participant.
Austria
Austria’s regulatory framework focuses on pumped hydro storage, which plays a crucial role in its energy mix. The government supports battery storage development, but regulatory complexity regarding grid fees and market participation presents barriers for new entrants.
Belgium
Belgium has introduced policies to promote battery storage, especially in the residential sector. Capacity markets and dynamic tariffs are being explored to enhance storage profitability. However, regulatory fragmentation among different regions creates inconsistencies in implementation.
Poland
Poland is in the early stages of developing a comprehensive energy storage regulatory framework. Recent amendments to the Energy Law have aimed to clarify the role of storage in the electricity market, but further legislative efforts are required to attract investment and ensure grid stability.
Greece
Greece has recently intensified its focus on energy storage to support its RE ambitions. In October 2024, Greece unveiled an updated energy and climate plan aiming for 82% renewable electricity generation by 2030, up from a previous target of 66%. To facilitate this transition, a draft bill was submitted for public consultation proposing incentives for installing batteries in existing solar farms and standalone battery units in decommissioned conventional power plants. The goal is to add 1.5 GW to 2 GW in battery capacity, with an additional 500 MW planned through a support program for businesses, aiming for a total battery capacity of around 3.5 GW before 2030.
2. Key Challenges in Regulating Renewable Energy Storage
Irrespective of that the EU’s regulatory framework promotes energy storage deployment, it lacks clear definitions on ownership rights, market participation and tariff structures. Also, absence of harmonized policies on licensing, taxation and grid access discourages large-scale storage deployment. Energy storage projects often struggle to secure financing due to unclear revenue models and regulatory ambiguity. The shortage of well-defined compensation mechanisms for energy storage services, such as frequency regulation and demand response limits profitability. The integration of AI and digital technologies in energy storage raises significant data privacy and cybersecurity challenges. Compliance with the data protection regulation and ensuring secure energy transactions remain pressing concerns.
3. AI-Driven Solutions for Enhancing Regulatory Compliance and Market Efficiency
In parallel with the several described legal uncertainties AI algorithms can enhance energy storage efficiency by predicting demand fluctuations, optimizing charging and discharging cycles and minimizing energy losses. Machine learning models improve grid stability by forecasting supply-demand imbalances. Maybe for the first period not all legal gaps will be resolved, but due to the AI, regulatory compliance in energy storage will be able to monitor market activities, emissions targets and grid integration requirements. AI-driven compliance tools can automate regulatory reporting, detect non-compliance risks and provide real-time updates on policy changes. AI-driven analytics can enhance investment decision-making by providing real-time assessments of policy risks, economic incentives and profitability projections. This can support investors in navigating complex regulatory landscapes and identifying viable business models. AI-powered security systems can detect and prevent cyber threats targeting energy storage infrastructure. Machine learning techniques improve anomaly detection, ensuring compliance with cybersecurity regulations and protecting critical energy assets.
Conclusion
As the EU transitions towards a renewable energy-dominated grid, energy storage regulation must evolve to address emerging challenges. AI presents transformative opportunities to optimize storage efficiency, enhance regulatory compliance and improve investment certainty. However, for AI-driven solutions to be effective, policymakers must harmonize regulations, support innovation and implement robust cybersecurity frameworks. A balanced approach integrating legal, technical and economic perspectives will be essential in shaping the future of RE storages.
By Levan Kokaia – Lawyer at Georgian Renewable Energy Development Association (GREDA).
