Did you know that about 60% of your water / sewer bill is for sewage? That's what most utility districts estimate, especially since they can't meter it. So what happens in the dry season when you water your yard? That's right, you get billed for phantom sewage production. Did you know that you can order and install a separate meter for irrigation that bills only for water. Call your local utility for details.
If you're interested in saving electricity, an efficient AC and insulation will get you the most bang for your buck, followed close by solar power investments. Call your power company for incentives and rebates. Generous tax credits are also available. Consult your tax professional.