[header] How to solar power your home [title] Call a professional. [step] Grid tied systems are probably your best bet, especially if you live in an area with reliable power. By having a grid tied system, you are eligible for tax credits, plus you'll be able to sell your excess power back to your power company. 
However, in order to take advantages of these benefits, you'll have to have it installed by a licensed professional. While you may be excited to install the system yourself, it really is better to do it this way, as the high voltage associated with the systems can cause serious injury.