At 9/15/2008 16:03, you wrote: >Bob, >All standard residential utility meters read out in kilowatt hours. That >is the basis for their tarrifs and billing. You are charged on the >actual kilowatt hour use. The ups reading lower on actual battery >operation MAY mean the charger is disabled and all you are seeing is >magnetizing current of the step down transformer in the charger. You pay >for actual usage. So yes it is costing you money to have the unit on >line. The bottom line is how much is it costing you per KWH. Your >utility has filed and is authorized to charge under their approved >tarrifs. Unless you are subject to ratcheting demand charges it is >calculated in actual "blocks" or steps. They begin with a modest block >at the highest rate per KWH and proceed to biggest "block" at cheaper >costs per KWH. The higher the usage the less you pay per KWH until you >reach the last and cheapest block.
Out here in SoCal it's the reverse: the more you use, the higher the rate. Bob NO6B
