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Joined: Mar 2009
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Lunker
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Lunker
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What is the monthly cost of operating a system?
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Joined: May 2004
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Moderator Lunker
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Moderator Lunker
Joined: May 2004
Posts: 13,993 Likes: 283 |
IIRC, PMs have reported costs on the order of $17 - $30. YMMV.
"Live like you'll die tomorrow, but manage your grass like you'll live forever." -S. M. Stirling
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Joined: Mar 2009
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Thanks Theo. Do you operate year round or just during the summer months?
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Ambassador Lunker
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maybe this will help too brandon.... this is a cut and paste from an old thread of mine: "if my neighbors calcs are correct, running the system for 8 hours each night, monthly electrical usage should range from $14 to $20 depending on what baseline threshold we exceed for total usage.....anywhere from 12 to 17 cents per kwh. figured conservatively at 120 volts, draw 4.5 amps = 540 watts per hour...or about 6 to 9 cents an hour" original thread: http://www.pondboss.com/forums/ubbthread...=true#Post31931
GSF are people too!
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Brandon, Vertex has an online calculator that allows you to plug in your KW cost and System specs and will give you a daily,monthly etc cost.Try it out at http://www.vertexwaterfeatures.com
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Ambassador Field Correspondent Hall of Fame Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
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I wonder if aeration will be even allowed if we go to the smart grid and they control the temp we keep our thermostat. I would have to imagine the Energy Police wouldn't be happy with such a waste in their opinion...
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Lunker
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It is a farming implement.
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DennisS
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DennisS
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outahere
Last edited by DennisS; 04/18/09 02:30 PM.
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Joined: Jan 2009
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Ambassador Field Correspondent Hall of Fame Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
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The Energy Police will probably be overwhelmed with all the concrete ponds in back yards that they won't have time or resources to mess with us. Now that is probably true!
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Joined: Dec 2006
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Im thinking about putting up a windmill generator.I wonder what effect that will have?
I subscribe Some days you get the dog,and some days he gets you.Every dog has his day,and sometimes he has two!
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Lunker
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The price will vary according to what you pay per Killowatt Hour (kwH). Further complicating things is that quite often the price you pay per kwH varies depending on time of use. A couple of useful conversions to help you calculate. 1 HP = 0.75 kwH 1 kwH = 1.33 HP The calculation is as follows: total HP used X 0.75 X number of hours per day you operate X price per kwH = price per day. EX: Lets assume you have a 1/3rd HP compressor for your pond and you operate it 8 hours per day and your price is 0.12 per kwH at time of use: 0.33 X 0.75 X 8 X 0.12 = $0.24/day Going a little further...when you start looking at larger systems, say in aquaculture, you will want to look the Brake Horsepower as opposed to the Nameplate Horsepower. The difference? Nameplate is the horsepower output at maximum load (in this case it would be the max PSI as a result of hydraulic head)and is named so because that is the HP output stated on the nameplate. The brake horsepower is the actual amount of energy used based on amp draw, line loss, etc... Typically the brake HP is considerably lower than the name plate. This may not be significant when your using a 1/3rd HP compressor but when you start looking at multiple HP compressors or blowers, this is important as it can equate to several hundred if not thousands of dollars a year in energy costs. Finally, if you do operate several HP (or a lot of kwH) for any particular Ag or commercial application you may want to look into getting an energy audit from you local energy purveyor as many times you can qualify for incentives and rebates programs by switching to lower energy devices. Here in California, PG&E will pay up to 50% of the capital costs of an energy improvement project based on a set rebate price for kwH saved. Of course dealing with PG&E is about as appealing as going to the dentist.
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Thanks for the info guys.
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