Energy Systems Integration (ESI) is an emerging paradigm and at the centre of the EU energy debate. ESI takes a holistic view of the electricity, gas and heat sectors to deliver a clean, reliable and affordable energy system. By identifying and exploiting the synergies within and between the...

Digital technologies from outside the electricity industry are prompting changes in both regulatory institutions and electric utility business models, leading to the disaggregation or unbundling of historically vertically integrated electricity firms in some jurisdictions and not others, and...

The purpose of this research is to evaluate the impact of vertical unbundling on German electric utilities. Our research mainly relies on in-depth interviews with sector-experts from the German utilities. We will discuss both short-term changes and the long-term impact on competition in the...

Despite the positive effect electricity grids separated from generation and supply by ownership are expected to have on the level of competition in the non-network activities, several EU member states still adhere to a solely legally unbundled transmission grid. This choice might be induced by...

This paper assesses the integration strategy of the European Union in regulated network markets. The paper argues that in these markets integration should not be an end in itself. In regulated markets the conventional gains from trade or freedom of establishment may be outweighed by significant...