Ask your solar panel vendor about the certifications they have and about the testing of the panels you are interested in. You might qualified for some rebates offered by the government if you go through a certified vendor and choose panels that have received certifications too. Besides, this is a good way to make sure you are getting a quality product.
When you can't afford a full system, instead start with a solar water heating system. Water heaters make up a large portion of the energy that a home consumes during the year. Your costs are going to be lower upon installation of your solar water heating system.
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Do your best to reduce your energy consumption before investing in solar energy. Your solar energy system will be more affordable if you can live with a reasonable quantity of energy. Start by improving your insulation, make an effort to turn off appliances and replace old appliances with energy-efficient ones.
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.