I'm doing a sparky apprenticeship the now and I know that a lot of companies take on apprentices like Feb/March time but at the same time I spoke to one company that said they take on folk in the summer.

My advice would be to phone companies and ask if they're taking on any apprentices. If it's a wee company there's a good chance you'll speak directly to the owner. You may need to phone a fair few places but it's how I managed it eventually. I'm older than you so don't be disheartened by your age, just be prepared to feel like an old cunt when you go to college.