Unless you have mines to produce the copper, neodymium, cobalt, lithium, iron ore etc. for those machines, they are not anywhere near helping us become self-sufficient. They also aren't sustainable.
Mining wasn't sustainable during the Roman times, from an ecological perspective. Mines from 2000 years ago polluted vast swathes of Europe and enslaved whole peoples. Imagine the devastation today, if everyone chooses to get solar panels, EVs and continue on with their way of life. It cannot happen.
Understand that 85% of all energy consumed is fossil fuel based. We are nowhere near some renewable utopia on any metric. A person may be able to get PV panels and a lithium-iron battery for storage, along with solar panels for water heating and an electric vehicle from such, as well as heat pump based HVAC.
Even so, they will still be totally reliant on a society that needs diesel for transport, gas, coal or nuclear for heavy industry, and industrial fertilisers to maintain agriculture. Those are far harder to convert than a residential house with a family that has the disposable income to put towards such ventures. What of those today who cannot afford to put the heat on at all, or even get draughty windows and doors seen to? I can't afford a heat pump, and I'm above median wage. Solar panels, maybe, but I'm stuck with gas for heating without some assistance.
See, the issue is that without converting all of society to be run without mass fossil fuel usage, nothing changes. And that's why we're still at 85% penetration of FFs in the energy mix. They're that useful, and wind and solar and hydro have only supplemented, not replaced them. We've put off weaning ourselves off FFs for decades after we should have been looking to switch. Now, it's looking like going cold turkey for many while other nations bid up prices to try and get what's left.
The Green New Deal is a con. It's a way of keeping the economy doing what it does, but with a veneer of environmental and social credentials to keep the middle-class happy with their investments. I can go on holiday, guilt free, because British Airways planted a tree to cover my CO2. Tesla assures me their cars are better for the environment than a ICE powered BMW or Audi. Bulb only sells 100% renewable energy.
And the system carries on with no deviation in path. Because of course it does. There is no easy way to get off civilisational heroine without pain, so we find a fix where we can and ignore the ensuing crash from the high.