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WEO Week: Hopes for COP26 and beyond
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Other renewables

Other renewables include concentrating solar power, geothermal, and ocean power.

Other Renewables Jpg

Key findings

Geothermal power generation in the Sustainable Development Scenario, 2000-2030

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Policies are needed to increase the deployment of geothermal power

Geothermal electricity generation increased by an estimated 3% in 2019, below the average growth of the five previous years. The technology is still not on track to reach the SDS level, which would require a 10% annual increase in generation over 2019-30. Policies tackling challenges associated with pre-development risks are needed to increase the deployment of geothermal resources for power generation.

Ocean power generation in the Sustainable Development Scenario, 2000-2030

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Promotion of research and development is necessary to achieve large-scale deployment of ocean power

Electricity generation from marine technologies increased an estimated 13% in 2019, which is significantly above the levels of the previous three years. Nevertheless, this technology needs to be deployed even more rapidly to get on track with the SDS, which requires much higher annual growth of 23% through 2030. Policies promoting R&D are needed to achieve further cost reductions and large-scale development.

Concentrating solar power generation in the Sustainable Development Scenario, 2000-2030

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Emphasising plant storage value will be key to attracting investment for concentrating solar power

CSP generation increased by an estimated 34% in 2019. Although this growth is exceptionally high, CSP is still not on track with the SDS, which requires annual average growth of almost 24% through 2030. Policy designs that emphasise the value of CSP plant storage will be key to attract additional investment.