IEA: Monthly Electricity Statistics

The latest IEA's Monthly Electricity Statistics report including May 2022 data shows that for Total OECD:
 
In total OECD, total net electricity production was 864.1 TWh in May 2022, corresponding to a 3.6% increase compared to May 2021. Out of this production, 48.3% (417.4 TWh) originated from fossil fuels, 36.2% (312.8 TWh) from renewable sources and 15.2% (131.6 TWh) from nuclear power.