The regulation of the energy sector in the EU adresses different challenges in pursuance of ensuring the functioning of the energy system. One of the most pressing current energy issues in the EU is household access to energy services, which is acknowledged as social justice concern. Provided that access to universal service in the EU is recognised as a right of households, the article aims to introduce the advanced concept of energy justice desiged for the investigation of households’ ability to access sufficient energy service in the EU. The article is organized in three parts. The first part specifies the roots of energy justice. The second part assesses whether the constituent elements of energy justice comply with EU fuonding values. Lastly, the more comprehensive concept of energy justice is presented with underlying rationale