If the cost of solar panels is prohibitive, you might consider buying one at a time. An energy audit can be requested from your electric company. This will assist you in figuring out how you use energy, so you could make some adjustments. This will allow you to use fewer solar panels.
When it comes to solar water heaters, be realistic. They're typically only 30% more efficient than any other form of water heater. Second, don't think that just because you shower in the dark means you'll have to deal with cold water. Water heated by solar power should stay warm for 24 hours.
Capstone 1 period 4 Literature Review on Photovoltaic Cells.
Before purchasing any solar panels, make sure they are government certified. This may seem like a small deal, but it really affects your bottom line. Many of the government rebate programs require that your solar panels are government certified. If they aren't, you'll be missing out on some of the cash back opportunities out there for you.