Congratulation on your new home! It should be ideal for your plans.
Solar panels are a good idea. You'll be charging your house batteries as you drive too. The generator can also be used to charge the batteries but they're usually very noisy so most likely you won't want to use it much especially if you're parking on the street. Take a look at this installation of flexible panels on a fiberglass roof -
http://cheaprvlivingblog.com/2013/02/installing-flexible-solar-panels-on-a-fiberglass-roof/ The Cheap RV Living blog has a lot of useful information so you might want to read some of the other posts too.
I don't know much about the capacities of your van but it should have at least twenty gallons of fresh water and the gray and black water tanks should match the fresh so if you need fresh water you'll need to dump too. Twenty gallons of water will last for four or five days as long as you take navy showers. Here's a good site for dump stations -
http://www.sanidumps.com/sanidumps_usamerica.php Good luck! Keep asking question about anything that's puzzling you. It will all be easy after awhile.
