my $2.00 Australian dollars worth,
my other half has a Kona 1.6 t petrol, It gets 7 km,per liter at prices here now in Australia of $2,70 c a lt that's 0.38 c per KM for fuel.
My electric Kona gets 7km per kwk, charged from my solar with a FET of 0.07 c per kwh , that's $0.01 c per km.
a 6.600kw solar is $7,000 here with a 5 kw inverter and generates around 10,000kwhr per year here
I drive around 28,000km a year, so that's a saving on gas of maybe $10,000 a year, so here solar and an EV is very well worth it if people want to have control over the car and power costs