One of the most promising technologies available in sustainable energy is solar panels. As the technology matures, so does the efficiency of the panels.
The sun does not always need to be shining in order for the panels to work. Of course the sunnier the climate the more energy your panels will produce.
Are they worth the money to invest in?
Maybe (how is that for an answer), depending on how you depend on buying them. There are new tax credits available which may save you up to 30% off the price of the solar panels. This leaves 70% of an item that could be in the hundreds of thousands of dollars.
What if you could finance the whole deal? This option is becoming more popular than ever. Even as financing is very difficult to attain, if one can get it, it may be worth it. As you are looking for panels take into account how much sun energy your area gets. Then figure our how much energy you actually use. If you want to figure out the daily energy usage divide by thirty and then divide again by sun hours, afterwards times that by a little over one.
Generally speaking installing solar panels on your home is an expensive venture, if you have the will and the money to finance, go for it. If not, why not consider buying some smaller panels. Build up and add on more as the economy gets better. There are plenty of competitive solar panels available.