2014-12-31-IRENA-Renewable_Power_Generation_Costs_in_2014_164页_18mb

Since the report is lengthy, I'll provide a summary based on the provided sections, focusing on the key findings and trends in renewable power generation costs.

Executive Summary

• Renewable energy technologies have seen significant cost reductions, making many now competitive with fossil fuels without financial support.
• Solar PV costs have dropped dramatically, with the LCOE halving between 2010 and 2014, and some projects delivering electricity at as low as $0.06/kWh.
• Onshore wind is one of the most competitive sources of electricity, with costs falling significantly since 2009.
• Hydropower, geothermal, and biomass continue to provide low-cost electricity in regions with untapped resources.
• Offshore wind and CSP costs remain relatively high but are expected to decrease as technology matures and deployment increases.

Key Findings by Technology

• Solar PV: Costs fell due to manufacturing scale, improved efficiency, and collapse in module prices. The total installed cost declined by 29-65% depending on region, making solar PV increasingly competitive.
• Onshore Wind: LCOE ranges from $0.05 to $0.10/kWh with the best projects matching fossil fuel costs. Total installed costs fell by about 30% between 2010 and 2013.
• CSP: Costs remain high due to high investment needs but continue to fall. Projects with thermal storage are emerging, allowing for dispatchable power at $0.15-0.30/kWh.
• Hydropower: Continues to provide some of the lowest-cost electricity, with LCOE ranging from $0.02 to $0.06/kWh. New capacity additions were 3.1 GW in 2013.
• Biomass: Costs vary widely by feedstock and region, but projects can be competitive when low-cost feedstocks are used.

Cost Reduction Drivers

• Technology Improvements: Advances in manufacturing and efficiency reduced equipment costs, especially for solar PV and wind.
• Deployment Growth: Large-scale deployment drove down costs through learning effects and economies of scale.
• Policy Support: Inconsistent policies hampered progress in some regions, but strong support in others (e.g., China, India) accelerated cost reductions.

Recommendations

• Policymakers should focus on reducing balance-of-system costs and improving financing to further lower renewable energy costs.
• Continued investment in renewable energy will enhance energy security and reduce reliance on fossil fuels, particularly in the context of climate change mitigation.

This report underscores the transformative role of renewable energy in global electricity markets, driven by cost reductions that have made many technologies competitive without subsidies.