That's mostly because said political base doesn't know where the power comes from until they hear about it. Check out stacked bar graph further down. LA is 30

That's mostly because said political base doesn't know where the power comes from until they hear about it. Check out stacked bar graph further down. LA is 30% renewable, 31% natural gas, 18% coal, and 21% something else in 2017. So they're still getting 49% from fossil fuels.