First find how many kw are being used. For example, two items using 0.5 kw each add to 1 kw. Then, multiply by the hours it is being used. If we ran these two items for 1 hour we would end up with 1 kwh.
Actual costing uses the the actual costs incurred to calculate cost per unit. All you need is the actual costs and the number of units produced/manufactured, divide the two and you will have your...
It is 12 cents per kwH for the US as of April 2009 New England area had the highest average around 15 cents and Hawaii came in at 22 cents Average monthly usage is 935 kwH per month for the US ...
It's called displacement. You take a beaker or some measuring container and fill it up with water to a certain marker. Then, you put in whatever you need to measure, and however much the water rises...
Take a close look at your power bill, the price you are paying should be on it. If not there call the power authority and ask them how much you are being charged per kWh.
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