Sustainable Supply Chain Management in the Wind Energy Industry

Table of Contents

1. Introduction

1.1. Background motivation and aim of the paper

1.2. Scope of the assessment

1.3. Structure of the paper

2. Sustainability in Supply Chain Management – Literature review

2.1. Definitions of sustainability

2.2. Motives for sustainable conduct in business

2.3. Sustainability from supply chain perspective

3. The wind energy industry – Case study

3.1. Overview of global wind energy industry

3.2. Functionality of a wind turbine

4. Sustainability in the wind energy industry – Analysis

4.1. Benefits of wind energy

4.1.1. CO2-emissions reduction

4.1.2. Stable energy prices and bigger autonomy in the long-run

4.1.3. Decentralisation of energy production

4.1.4. Advantages of new PMG technology over DFIG

4.2. Negative aspects about wind energy

4.2.1. Rare earths mining

4.2.1.1. Definition of rare earths and their economic use

4.2.1.2. Supply of rare earths

4.2.1.3. Ecologic and social harm caused by mining in China

4.2.2. Increased need for backup capacity

4.2.3. Increased bird mortality due to wind parks

4.3. Assessment of sustainability performance

4.3.1. Economic sustainability

4.3.2. Social sustainability

4.3.3. Ecologic sustainability

5. Possible solutions to the REE dilemma

5.1. Reduced use of rare earths

5.2. Closed-loop supply chains for permanent magnets

5.3. Biomining of REE

6. Summary and Conclusion

Objectives and Research Focus

The core objective of this thesis is to assess the sustainability performance of the global wind energy industry by examining its supply chain, specifically focusing on the critical role of rare earth elements (REE) used in modern wind turbine manufacturing.

• Sustainability assessment of the global wind energy industry.
• Evaluation of the environmental impact of REE mining in China.
• Comparison of turbine technologies (DFIG vs. PMG).
• Development of sustainable supply chain management solutions for wind energy.

Excerpt from the book

Chapter Summary

1. Introduction: This chapter establishes the motivation and scope, emphasizing that a true sustainability assessment requires an end-to-end supply chain perspective, specifically looking at rare earth elements in wind turbines.

2. Sustainability in Supply Chain Management – Literature review: This section reviews definitions of sustainability and identifies the business motives for sustainable conduct, ultimately framing sustainability as an improvement process across social, economic, and ecological dimensions.

3. The wind energy industry – Case study: This chapter provides an overview of the global wind market and details the functional differences between wind turbine technologies, specifically introducing the distinction between DFIG and PMG drive systems.

4. Sustainability in the wind energy industry – Analysis: This analytical section weighs the benefits of wind energy, such as emission reductions and energy price stability, against the environmental and social costs associated with rare earth mining.

5. Possible solutions to the REE dilemma: This chapter suggests industry solutions including the reduction of material usage, the implementation of closed-loop supply chains, and the potential of experimental biomining techniques.

6. Summary and Conclusion: The final chapter concludes that while wind energy is highly sustainable, the industry must address the environmental burden of its supply chain to maintain its positive reputation and impact.

Keywords

Wind Energy, Supply Chain Management, Sustainability, Rare Earth Elements, REE, Permanent Magnet Generator, PMG, DFIG, Mining, Ecology, Environment, Closed-loop Supply Chain, Carbon Emissions, Biomining, Renewable Energy

Frequently Asked Questions

What is the primary focus of this thesis?

The thesis focuses on the sustainability performance of the wind energy industry by examining the extended supply chain, specifically identifying the environmental and social dilemmas caused by the mining of rare earth elements (REE) used in permanent magnet generators.

What are the central themes of the research?

Key themes include the comparative sustainability of different wind turbine technologies, the environmental impacts of raw material extraction in China, and the development of supply chain management strategies to improve the overall sustainability of wind energy.

What is the main research question or goal?

The goal is to assess whether the wind energy industry, despite its role in reducing carbon emissions, maintains its sustainable reputation when the entire supply chain, particularly the mining of rare earth elements for turbine components, is taken into account.

Which scientific methodology is used?

The work utilizes a literature-based analysis and a case study approach, drawing upon management literature, energy industry reports, and specific ecological impact studies regarding mining practices.

What is addressed in the main body?

The main body presents a literature review of sustainability concepts, provides a technical overview of wind turbine drive trains (DFIG vs. PMG), analyzes the benefits and environmental disadvantages of wind energy, and proposes improvements for the supply chain.

Which keywords best characterize the work?

Key terms include Wind Energy, Supply Chain Management, Rare Earth Elements (REE), Permanent Magnet Generator (PMG), Ecological Sustainability, and Closed-loop Supply Chains.

Why is the mining of rare earth elements considered a dilemma?

It is a dilemma because while REE are essential for the high efficiency and lower maintenance costs of PMG turbines (which help fight global warming), the current mining and refining processes, especially in China, cause severe ecological destruction and create toxic and radioactive waste.

What role does the "closed-loop supply chain" play in the author's proposed solutions?

The author proposes closed-loop supply chains to facilitate the recycling and reuse of permanent magnets after a turbine's life cycle, thereby reducing the necessity for continuous new mining of rare earth elements.