The average residential household in the southwest installs a 5 kWh system and during Q1 2015, it cost about $3.40 per DC watt or $17,000 (5000 times $3.40) before incentives. Utilities on the other hand typically install systems in the 100 mega-watt or greater range.
Change in the Nipples. One of the first signs to look for is a change in the size or appearance of the catâs nipples. Particularly look for the color of the nipples. If they appear to be more pink than normal, that is a sign that the cat is pregnant.
(Mother cats also come back into heat after kittens are born, usually at about the time a litter is being weaned, but sometimes even earlier). Here are some links on cat pregnancy. The first discusses symptoms of pregnancy and timeline for when you can see those symptoms. http://www.myhealthycat.com/cat-pregnanc...