本报告总共6章，以全面性为宗旨，按章节分别介绍了6种主要清洁能源发电技术的基本原理。结合走访与调研，梳理了清洁能源发电技术的发展现状，紧密结合能源清洁转型需求，分析了面临的主要技术难点。整合技术性和经济性研究，基于技术成熟度评估，提出了各类清洁发电技术未来的发展目标和研发攻关方向；分析影响经济性的主要技术因素，采用多元线性回归与深度自学习神经元网络相结合的分析方法，根据技术发展目标研判经济性变化趋势。

PREFACE
SUMMARY
1 Hydropower Generation Technology
1.1 Current Situation
1.1.1 Overview
1.1.2 Key Technologies
1.1.3 Project Cases
1.2 Demand and Trend
1.3 Technical Difficulties
1.3.1 Large-size Francis Turbine Generator Set
1.3.2 Large-size Pelton Turbine Generation Unit
1.3.3 VFSR pumped storage generator unit
1.4 Economic Analysis
1.4.1 Cost Structure
1.4.2 LCOE
1.5 Development Prospect
1.5.1 Technical Research
1.5.2 Economic Research
2 Wind Power Generation Technology
2.1 Current Situation
2.1.1 Overview
2.1.2 Key Technologies
2.1.3 Project Cases
2.2 Demand and Trend
2.3 Technical Difficulties
2.3.1 Blade upsizing technology
2.3.2 Offshore Wind Turbine Generator Foundation Technology
2.3.3 Low temperature resistance technology
2.3.4 Grid Friendly Technology
2.4 Economic Analysis
2.4.1 Cost Structure
2.4.2 LCOE
2.5 Development Prospect
2.5.1 Technical Research
2.5.2 Economic Research
3 Photovoltaic Power Generation Technology
3.1 Current Situation
3.1.1 Overview
3.1.2 Key Technologies
3.1.3 Project Cases
3.2 Demand and Trend
3.3 Technical Difficulties
3.3.1 Improvement of conversion efficiency of photovoltaic cells
3.3.2 Improvement of Adaptability to Extreme Environments
3.4 Economic Analysis
3.4.1 Cost Structure
3.4.2 LCOE
3.5 Development Prospect
3.5.1 Technical Research
3.5.2 Economic Research
4 Concentrating Solar Power Generation Technology
4.1 Current Situation
4.1.1 Overview
4.1.2 Key Technologies
4.1.3 Project Cases
4.2 Demand and Trend
4.3 Technical Difficulties
4.3.1 Improvement of optical concentration ratio
4.3.2 Selection of heat transfer and storage medium
4.4 Economic Analysis
4.4.1 Cost Structure
4.4.2 LCOE
4.5 Development Prospect
4.5.1 Technical Research
4.5.2 Economic Research
5 Geothermal Power Generation Technology
5.1 Current Situation
5.1.1 Overview
5.1.2 Key Technologies
5.1.3 Project Cases
5.2 Demand and trend
5.3 Economic analysis
5.4 Development Prospect
5.4.1 Technical Research
5.4.2 Economic Research
6 Ocean Energy Power Generation Technology
6.1 Overview
6.2 Tidal range energy
6.2.1 Overview
6.2.2 Key Technologies
6.2.3 Development Prospect
6.3 Wave Energy
6.3.1 Overview
6.3.2 Key Technologies
6.3.3 Development Prospect
6.4 Ocean current energy
6.4.1 Overview
6.4.2 Key Technologies
6.4.3 Development Prospect
6.5 Ocean thermal energy
6.5.1 Overview
6.5.2 Key Technologies
6.5.3 Development Prospect
6.6 Ocean salinity energy
6.6.1 Overview
6.6.2 Key Technologies
6.6.3 Development Prospect
Epilogue
Appendix 1 Technology Readiness Assessment Method
Appendix 2 Estimation Method of Clean Energy Power Generation Investment
Appendix 3 Calculation Method of Clean Energy Power Generation LCOE
Appendix 4 Glossary of Technical Terms