In rough terms fossil fuels used for energy account for $ 10 trillion market. Wind Solar grid batteries hydro and for EV batteries and infrastructure for charging can replace all of it. The eco system of markets funding engineering constant improvement which increases market growth with increases engineering improvements will continue for decades.

More stable prices and supply, lower cost, less oil and gas profit of Russian and Middle East Terrorists, less medical pain from local pollution and likely avoiding significant damage form climate change.

Why now. Climate change prompted the proof of market, proof the technology could win a share of $10 trillion fossil fuel market, which attracted capital. Climate was the catalyst, now we just need public policy to accelerate what is a viable eco system to reach near zero fossil fuel decades sooner.