Most recent bill in MA:
Supply is 6.72 cents/kWh and delivery is 6.60 cents/kWn for a total of 13.32
cents/kWh. This is much less than I was paying in NY where it was hovering
around 30 cents/kWh (I remember 32 one summer month).
Peter
On 9/27/2012 6:10 PM, Charles P. Steinmetz wrote:
Chris wrote:
After some measuring my general run of thumb is "Anything you
leave plugged in and running 24x7 will cost you triple digits of
dollars (at least) over a year
Well, that's a lot of "anything." There are 8760 hours in a year, so a 1 kW
load will consume 8760 kWH per year. We pay about $0.08 per kWH here, so a 1
kW load running 24/7 costs just over $700/year (= $0.70 per W per year). That
puts the "three digit" point ($100/yr) at ~143 W. I leave a number of LED
bulbs running 24/7, which cost ~$2.80/yr for 4 W, ~$5.60/yr for 8 W, and
~$8.40/yr for 12 W. Even a new 50" flat-screen television (119 W) would only
cost ~$83/yr if left on 24/7, and my quad-core workstation with its huge
display would cost only ~$250.
In another post you mentioned $0.21/kWH (you must be in California?), so
adjust all of these by a factor of 2.625 for your location -- but I think the
service rates in most of the US are closer to ours than to yours).
Best regards,
Charles
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