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Renewables, storage, and gas reshape global data centre energy.

Core equipment costs can rise to around US$100 per kilowatt-hour or more in markets with higher tariffs, among others.

But it fell short of the USD671b annual investments needed to be reached between 2025 and 2030, IRENA said.

It cited carbon emissions from emerging markets, which accounted for 70% of global emissions.

84% said they are optimistic about the energy sector's midterm growth.