Yeah, I would say so. I have had them fitted for a few years, and while mines are far from the most efficient, they still help me to make some big savings year in and year out. I am happy with the quality that I get from them, and each year they definitely help me to cut down my energy costs. I am saving at least 25% on my energy bills, though it could be more!
However, I do need to upgrade my panels, and I have been looking at a group called First Class Solar. They do some great deals, and they offer a lot of help with getting things fitted and installed. Given the problems I had getting mine installed in the first place, that could be beneficial!
Overall, though, solar panels are a wise investment moving forward.