does anyone have any suggestions on out door Lighting?

Hi All. So, of course, I really didn't give this any thought till of course a week before the wedding. But we are having an outdoor sunset ceremony at the Grove Redfield Estate and there is no electricity out there save for one outlet. I'm trying to figure out a good inexpensive way to light the pathway. I've been looking at solar-powered LED garden lights. But can't find them in bulk like I want because teh path is long. any suggestions would be greatly appreciated. Thanks.