Stronger integration measures are needed as solar and wind soar to record levels in electricity sector
New IEA report offers first-of-its-kind global stocktake of efforts to integrate variable renewables across 50 power systems, identifying best practices and key challenges.
However, to maximise the advantages of this additional capacity, these variable renewable energy sources need to be well integrated into power systems as they are deployed. According to the report, delaying the implementation of measures to support integration could result in electricity generation from solar PV and wind being 15% lower in 2030 and shave five percentage points off their share of the global electricity mix.
The report features a first-of-its-kind global stocktake of integration measures across 50 power systems, which together account for nearly 90% of global solar PV and wind generation today. This includes updated country assessments using the IEA’s framework for the phases of variable renewable energy integration, which was originally developed in
Tougher challenges typically materialise at higher levels of solar PV and wind penetration. However, frontrunner systems — including Denmark, Ireland, South Australia and Spain — are finding ways to address these issues, too, clearing the way for others. Developing storage and new power grid technologies, for example, is playing an important role in managing variations in solar PV and wind output throughout the day and across seasons.
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