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enero 20, 2025

Italy transforms its electricity market with TIDE: keys to renewable integration

TIDE, driven by ARERA, aims to revolutionise the Italian electricity market. Its main goals include adopting a more efficient competitive framework, integrating renewables, and reorganising ancillary services, aligning with European regulations.
By Lucia Colaluce

By Lucia Colaluce

enero 20, 2025
electricity

The TIDE (Testo Integrato per il Dispacciamento Elettrico), spearheaded by the Autorità di Regolazione per Energia Reti e Ambiente (ARERA), represents a significant milestone in reforming Italy’s electricity market. This regulatory framework aims to modernise the system, promote the integration of renewable energy sources, and align the country with the European Union’s energy guidelines.

TIDE seeks to reshape the competitive landscape of the electricity market by removing regulatory barriers that previously restricted the participation of new players. According to Fabio Costa, an Energy Analyst Expert at Leonardo, «TIDE creates a new competitive environment for the spot market, eliminating current restrictions and enabling better integration of renewable sources.»

A key aspect of this reform is the reorganisation of the ancillary services market. TIDE introduces the role of the Balancing Service Provider (BSP) and encourages the development of Virtual Power Plants (VPP), known in Italy as UVA (Unità Virtuali Abilitate). These changes are designed to maximise the potential of clean energy by overcoming barriers such as minimum size and availability requirements.

Structural Changes to the Electricity System

TIDE also addresses the implementation of European standards, such as adopting the 15-minute Imbalance Settlement Period (ISP), which enhances precision in forecasting generation and consumption. «Shorter time units mean more calculations and better integration between systems,» Costa notes, adding that this transition increases operational complexity for market participants.

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Another significant change is the separation of roles between the Balance Responsible Party (BRP) and the Balancing Service Provider (BSP), facilitating more neutral and efficient interactions between these entities.

Challenges and Opportunities of TIDE

While TIDE offers substantial potential to enhance the electricity system, its implementation comes with challenges. Costa highlights that «managing the concept of UVA, which refers to a virtual power plant rather than a single production unit, is one of the most challenging aspects.» Furthermore, the introduction of a new nomination platform and the concept of «Bidding Portfolios» adds technical complexity to the process.

Additionally, transitioning to a market with 15-minute intervals demands greater computational capacity and system synchronisation, which may pose obstacles for operators who are not yet technologically prepared.

Impact on Prices and Renewables’ Role

Contrary to some assumptions, TIDE does not aim to promote negative prices in the electricity market. However, Costa explains, «With shorter time units, there could be specific periods where prices drop, although this is not the regulation’s objective.» The reform also removes size barriers for renewable sources, facilitating their inclusion in UVA.

Aligning with European Regulations

TIDE adheres to the European Union’s guidelines, strengthening Italy’s electricity market’s connection to European balancing platforms. Key highlights include:

  1. The separation of roles between BRP and BSP.
  2. The reorganisation of ancillary services.
  3. The adoption of a 15-minute ISP.
  4. Connection to the European Balancing Platform.

These changes not only modernise Italy’s electricity system but also enhance the market’s flexibility and sustainability.

Costa concludes that TIDE’s success will depend on market operators’ willingness to embrace and trust this new model. «The reform has all the features needed to improve the electricity market but also increases operational complexity. The system’s efficiency depends on whether operators trust in it or not.»

With TIDE, Italy aims not only to meet European standards but also to lead the transition to a more sustainable and competitive electricity market. By integrating renewables, removing barriers, and reorganising ancillary services, the country is taking decisive steps towards a cleaner and more efficient energy future.

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