Publication - Transition Towards a Decarbonised Electricity Sector - A Framework of Analysis for Power System Transformation“

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Transition Towards a Decarbonised Electricity Sector - A Framework of Analysis for Power System Transformation“
NewClimate Institute
Marie-Jeanne Kurdziel, Gustavo de Vivero
Published in
October 2019
***Main findings:

The Paris Agreement delivers a strong message to all countries that elevated efforts are necessary to limit the global temperature increase to 1.5°C. Given the centrality of the energy sector for total global greenhouse gas emissions, the transformation of the energy system is key to achieving the Paris goal.

Power systems around the world have initiated the transformation process as they phase out fossil-fuel based electricity generation and accelerate the introduction of renewable energy technologies. The introduction of variable renewable energy sources (vRES) such as wind and solar at a large scale poses new challenges that need to be acknowledged, understood and overcome in order to facilitate the full decarbonisation of the power sector by mid-century.

This paper develops an assessment framework that allows policy makers to analyse their country’s stage in the power sector transformation process, including the challenges arising in the current and in future stages as well as potential measures to address them.

The measures identified must always be embedded in a regulatory framework that incentivises and supports their implementation. However, given that each country’s regulatory and policy framework is unique and subject to complex political negotiation processes, recommendations may not be universally applicable.

Taking this into account, the analysis undertaken in this paper conveys seven central messages for policy makers:

- Power sector transformation is a process that cannot be implemented overnight but progresses through phases.

- Specific challenges are likely to appear at certain points, i.e. in each phase, independent of a country’s geographic and/ or socio-economic characteristics.

- A country’s geographic and/ or socio-economic characteristics can shape the way in which these challenges influence the integration of variable renewable energy sources. Some characteristics may be favourable, while other may be unfavourable for vRES integration.

- Based on the analysis carried out in this paper, it is possible to anticipate the time of occurrence, plausibility of occurrence and the magnitude of the challenge in different country contexts.

- Measures to address the challenges in different country contexts already exist and are readily available, requiring different levels of action in different areas of intervention, i.e. the technical, policy, and system operation or market design area.

- Measures must be embedded in an effective regulatory framework that supports their implementation. The regulatory framework is country-specific and ideally arises from a careful consideration of several political and socioeconomic factors.

- Key to a successful power sector transformation process is the careful and timely planning of each phase, anticipating the main challenges and identifying appropriate measures and policies for their solution. This ensures the rapid progress from one phase to the next until ultimately achieving full decarbonisation of the power sector.

Although several countries may encounter similar challenges when passing through a certain phase of the power sector transformation process, or when assessing their geographical and socio-economic features, it is difficult to compare countries along these parameters and to derive generally applicable recommendations to guide the power sector transition process. However, the assessment of different countries – and how they have approached certain challenges arising in their country context – can offer inspiration and orientation for policy makers on selective aspects, which they see applies to them. Thus, policy makers can make a choice on the elements of the power sector transformation process where they see room for peerlearning from others’ experiences and those elements where they prefer to go their own way..

      • Access:

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- Publication page on the NewClimate website: