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The green energy momentum faces challenges as supply chain disruptions and rising interest rates increase costs. Falling prices and government support have driven significant investments in renewable power. However, the expense of wind power and plateauing battery cost-effectiveness have emerged as issues. Furthermore, geopolitical tensions around China's dominance in the green energy supply chain add complexity.

The cost of wind power has risen due to higher steel prices for turbine blades, and lithium-ion batteries are no longer becoming more cost-effective. Rising interest rates have made capital more expensive, leading to project reassessments and fewer new investments.

Geopolitical concerns about China's control over crucial green energy supply chain components, like polysilicon and rare earth elements, are growing. While solutions exist, they come with time and cost implications. Higher costs could be passed on to consumers or require increased government subsidies, potentially eroding public support for green initiatives. Despite these hurdles, the world must stay committed to green energy to combat climate change effectively. Achieving net-zero emissions by 2050 will require a quadrupling of global electricity consumption, with most of it coming from wind and solar power. The green energy investment boom is just the beginning, but sustaining it will demand innovative solutions, adaptability to rising costs, and continued political backing.

Read more: Green energy’s tailwinds blow the other way | Reuters