It's important to choose the best solar panels on the market, investing consciously into your system will reward you in the long run.
In the space of just a few years, the average panel we install on domestic projects has shot up from around 315W to at least 375W, with more and more residential modules breaking the 400W barrier.
This is down to a few factors, such as the widespread adoption of new, more efficient technologies, bigger cells and bigger modules: