I can never find solar panels in jobs/fights/robbing. My chop shop is a high enough level to make the "Solar Flare", but I just can't find the parts.
Where are these?
They drop randomly from doing jobs and fighting in New York. Presumably, the rate is similar to any other Chop Shop item, as there are not exceptions noted, but I personally haven't fought or done jobs in NY at all really since the Chop Shop was introduced, so I'm not entirely sure. ~Source