Distributed Ledger Technology for Governance of Sustainability Transparency in the Global Energy Value Chain † *

DOI10.3366/gels.2020.0006
Published date01 February 2020
Date01 February 2020
Pages55-100
INTRODUCTION

Between now and 2040, global economic growth is estimated to increase at an annual rate of three per cent.1 Energy will be essential to this economic expansion. This presents the challenge of how to deliver economic growth while using energy sustainably. Overcoming this challenge demands global efforts.

Globalisation has created world-wide interconnectivity of energy supplies.2 Energy and its raw materials for generation are traded and transported over increasingly longer distances – a phenomenon that has grown over the past 25 years.3 The global system has consequences across the energy value chain,4 with transnational and global impacts,5 and requires resolution on a transboundary scale – a shift from the historic country-specific model.6

Sustainability, particularly in the context of the energy supply chain, is an imperative of our time. Climate change is a global concern that arises from the use of energy – carbon dioxide (CO2) from the burning of fossil fuels is the greatest contributor to climate change.7 As highlighted in the UN's Global Goals (Affordable and Clean Energy), ‘Our current reliance on fossil fuels is unsustainable and harmful to the planet, which is why we have to change the way we produce and consume energy’.8

In this article we consider how blockchain might help sustainability9 of the energy value chain. We use CO2 management as our primary example of sustainability because much of the current political and regulatory focus is on CO2, but it should be clear from our analysis how blockchain might be put to use in other fields of sustainability, such as the management of finite energy resources. Using blockchain in this way is no mere Utopian vision; as this paper was being written, the Chilean regulator announced a pilot project to store energy information on a publicly accessible blockchain,10 though it does not yet include the level of automation envisaged in this paper.

This is the first of a two-part article. In this Part 1, we consider the shortcomings of the traditional model for managing and operating market-based instruments designed to reduce CO2 emissions, and how blockchain technology could overcome common problems in these programs.

Defining sustainability in the energy sector

While this paper is about improving sustainability outcomes in the energy value chain, ‘sustainability’ is neither a straightforward term nor does it have simple governance.11 In fact, the collective understanding of what sustainability entails continues to evolve.

The concept of ‘sustainability’ has been described as ‘amorphous’,12 and ‘ubiquitous’,13 and many definitions can be found in the literature and across disciplines. The most widely used meaning of sustainable development is from the United Nations World Commission on Environment and Development report of 1987 (also commonly known as the ‘Brundtland Commission Report’),14 which defines it as ‘development that meets the needs of the present without compromising the ability of future generations to meet their own needs’.15

The term ‘sustainability’ (also ‘sustainable development’) is found in several legal instruments, yet it lacks a legal definition.16 Instead, it is an imprecise construct that is associated with principles found in international law (both hard and soft law),17 ‘as well as a growing body of scholarship and experience’.18 This has implications for objective-setting, regulation and measurement of progress not only for regulators who create rules, but also private sector participants who ‘require measureable, manageable objectives to achieve progress in [implementing sustainable practices]’.19

In addition, international governance of sustainability is multifaceted. It has been observed that, ‘[a] notable aspect of sustainability is its holistic and cross-cutting nature – it cannot be achieved by any single rule, statute, or agency’.20 Sustainability is broad in scope and application. It entails the participation of various actors, has a range of contexts for its application and implicates a number of factors that are evaluated to measure its outcomes. Some examples of contexts include enterprise sustainability (sustainability practices of organisations), community sustainability (energy use and access) and supply chain sustainability (sustainable practices at each stage of the value chain). Actors may include NGOs (who monitor outcomes), MNEs, investors (who monitor and give input into corporate behaviour), governments, auditors and consumers.

Furthermore, the notion of ‘sustainable energy’ also continues to evolve. The concept of sustainable energy has been described as a focus on the transition to clean energy and away from fossil fuels in the context of climate change.21 This view of ‘sustainable energy’ reflects a shift in the focus on responsible management of fossil fuels as a finite resource (and the primary energy source) to an emphasis on reducing their use.22 This view is also found in the UN Global Goals, particularly Goal 7 (Affordable and Clean Energy), which emphasises: ‘Implementing these new energy solutions as fast as possible is essential to counter climate change, one of the biggest threats to our own survival.’23 The idea that ‘sustainable energy’ concerns the transition from fossil fuels and climate change mitigation is also observed in the Paris Agreement (the international treaty to address climate change, which was signed in 2015),24 which ‘holds all the hallmarks of a sustainable development accord’.25

However, even in light of the transition to clean energy, fossil fuels (including natural gas, oil and coal, which are finite (non-renewable) resources) will continue to have a fundamental position in the global energy mix. Although the use of renewable energy will continue to expand, it will not replace fossil fuels in the near term – fossil fuels are predicted to comprise 77% of the global energy mix in 2040.26 Moreover, clean energy technologies, such as photovoltaic panels for solar energy, wind turbines for wind energy and batteries for energy storage, incorporate non-renewable minerals (e.g., cobalt, lithium, zinc). This suggests that management of finite resources for the energy sector must be done ‘sustainably’, which indicates ‘sustainable energy’ is in fact more than just a focus on reducing CO2 emissions.

Another complication for management of ‘sustainable energy’, is that it (and the international legal principles that apply to it) is governed through several legal areas, such as human rights, corporate, labour and natural resources.27 This increases complexity and reduces efficacy of its governance. Governance of sustainability in the energy value chain has been described as a ‘piecemeal’ approach with ‘bureaucratic silos’ and ‘enormous gaps in the international system's capacity to manage energy commodities, address their externalities, and ensure a successful transition over time to low-carbon sources’.28

Market-based instruments (MBIs) to promote sustainability

This lack of consistency means it is not possible for regulators to demand ‘sustainability’ from the players in the energy value chain, because each regulator's understanding of what it requires may be different. The alternative approach is one of gradualism. It is possible for regulatory systems in the value chain to provide incentives for the players in the chain to choose sustainability over the alternatives. The aim would be to use the energy market to evolve an understanding of what forms of sustainability are achievable. However, it is not possible to devise such incentives, or to identify whether they are actually achieving the desired results, without reliable information about what is actually happening across the value chain.

Market-based instruments (MBIs) (discussed further in section 4) are one key resource employed to improve sustainability in the energy system. Examples of MBIs include emissions trading schemes that are designed to reduce CO2 emissions and renewable energy certificate schemes (green certificates) that seek to increase the use of renewable energy. In fact, there are a range of such tools (e.g., feed-in tariffs, energy efficiency/savings certificates (white certificates), guarantees of origin, etc.). We have chosen to focus on MBIs in this paper, as they provide a useful framework in which to explore transparency and to understand the legal and regulatory facilitators and prohibitions to creating an effective transparency system for sustainability.

Governance of sustainability generally, and of MBIs specifically, in the energy value chain is a complex endeavour. It relies on policy instruments which are implemented via a patchwork of international, national, regional and local laws, including both hard and soft law. The consequence is sustainability ‘silos’ rather than application of a coordinated, life cycle approach. From a geographical view, these schemes typically have a domestic or regional focus (e.g., feed-in tariffs (local), EU emissions trading scheme (regional)), and yet the issues they seek to remedy collectively lead to problems with international impacts. Consider, for example, that natural resources required for energy generation may be exported to be consumed elsewhere; climate change is a global issue, and thus the use of fossil fuels by one region or sector could have implications elsewhere; pollution and waste can traverse international boundaries. Furthermore, the harm created today could have consequences for future generations (inter-generational effects).

This complex system of independent and overlapping governance structures results in a lack of information transparency which reduces the effectiveness of MBIs. Information generated and recorded in one governance structure may not be available to market actors working under a different governance structure, or to the regulators of that structure. This can prevent MBIs from working efficiently.

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