For instance, you could kiss your kids on their heads rather than their cheeks for a few days. You could ask your spouse to do bedtime stories and baths for a few nights. But obviously, you canât be so careful in your efforts to prevent germs from spreading that you feel like youâre shunning your kids.
If you grow short plants, you should definitely try LEDs. 1  The first series of costs on the chart represents an electricity cost of $0.12/kwH, or 12 cents per kilowatt hour (a kilowatt hour is 1,000 watts being used for one hour). 2  $0.12/kwH was the US national average cost for electricity in 2011.
$ per KWH. Lighting. To find out how much your lighting costs, enter the number of bulbs you use, then choose a bulb type. (A common incandescent bulb is 60 (we have stated 60 as typical), 75 or 100 watts, and a standard fluorescent bulb is 40 (we have stated 40 as typical) or 60 watts.he cost per KWH is found at the top, the default is the national U.S. average cost per KWH $0.1099 as of January 2011 (found at U.S. Energy information Administration), but you can input whatever rate you pay per KWH found on your energy bill.