Wasted energy. Phones wireless charging is wasting over 30% of energy. How is this called a green technology if we would have to waste so much power.
More generally the global shift to renewables (solar, wind) is proceeding rapidly, but is hampered by politics: undertaxed or subsidized supply of very cheap natural gas and coal.
But we need both measures, shift to renewable electricity and scaling down car use, as EVs still have unsustainable co2 footprints.
Other countries would struggle, and sadly the fission power-plants are demonized to the point of political suicide if you propose to build them. So globaly we are stuck with fossils until a miracle breakthrough in fusion (fingers crossed).
The grid need a way to absorb spikes in renewables production (solar in the day) but also fill in during lows.
Nuclear fission is by far the safest and cleanest way when compared to fossils. Its hardly 'unwieldy'.