Before you spend 20 grand on solar panels you should make your home as energy efficient as possible. That way you might only have to spend 15 grand on panels

. There are some really easy and cheap ways to minimize your energy consumptions...
1. Set your thermostat to a higher temperature in the summer
2. Check and change air filters regularly
3. Replace high-use lights with compact fluorescent lamps
4. Look for sources of air leakage in your house
5. Check insulation levels and possibly add additional insulation in attics and crawlspaces
6. Check ducts
7. Consider alternatives to help keep your home cool
8. When buying or replacing appliances, choose energy efficient models
9. Weatherize your windows and consider replacing single-pane windows
10. Use less hot water
11. Practice conservation habits to save energy
Remember the lower your electricity bills are right now, the less amount of solar panels you will need to buy later, so the more money you will save in the long run!