Abstract

Purpose: The energy transition and companies' commitment to sustainability look at new technologies support. We aim to understand how blockchain technology improves the traceability of renewable energy origin and provides reliable information for companies' sustainable disclosure regarding renewable energy use and greenhouse gas emissions.

Design: We conducted a literature review regarding the support of blockchain technology on sustainability disclosure, focusing on reliability through the traceability of renewable energy certificates. We use a qualitative methodology, analysing two case studies. Findings: The blockchain technology capabilities are recognised by the sector operators, especially for their support in information management and reliability. Blockchain capabilities are identified in renewable energy certification traceability and GHG emissions evaluation, mainly within Scope 3, as reliable information sources for sustainability disclosure. Emerges that the improvement through other devices and regulations might foster the system development. Moreover, blockchain application in the energy sector is a primary phase that needs more time to develop its potential.

Originality/value: Although there is abundant literature on companies' environmental information, very few studies support the transparency and reliability of renewable energy origin information, considering the technological support of blockchain to guarantee the renewable nature of the energy consumed. First, insights are provided within the idea that blockchain might foster and guide sustainability disclosure through reliable information.

Research implications: The analysis invites interaction between academics, energy sector operators and legislators. It provides reliable information to ensure integration with financial information following an integrating thinking logic.

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