Lack of ambition and attention risks making electricity grids the weak link in clean energy transitions

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https://www.iea.org/reports/electricity-grids-and-secure-energy-transitions

By International Energy Agency (IEA). 

Excerpt: First-of-its-kind global study finds the world must add or replace 80 million km of grids by 2040, equal to all grids globally today, to meet national climate targets and support energy security. ...Achieving all national climate and energy goals will require adding or replacing 80 million kilometres of power lines by 2040 – an amount equal to the entire existing global grid – according to a detailed country-by-country analysis carried out for the report. Major changes to how grids operate and are regulated are also essential, while annual investment in grids, which has remained broadly stagnant, needs to double to more than USD 600 billion a year by 2030....

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