Depress Me (electricity cost question)

john in la · Jun 8, 2014

With all the hurricane surcharges added in my electricity cost 0.114039 per kwh.

What would it cost me per hour to run a 115 volt 1 hp water circulation pump that draws 11 amps?

Once you tell me I may go outside and put a hole in my pool liner. LOL.

JMS/.MN · Jun 8, 2014

watts equals amps times volts. WAVE formula, forget the E! or would it be WEAV?

showcrop · Jun 8, 2014

I wish my rate was that low.

David G · Jun 8, 2014

1 HP = .75kW, so it would cost about 8 cents per hour at full load.

David G · Jun 8, 2014

And, 11 cents is a pretty good rate.

dgasper · Jun 8, 2014

Less than 15 cents an hour.

Bob · Jun 8, 2014

"1 HP = .75kW"

In a PERFECT theoretical world!

In the REAL world of his motor, about 1.32 KW.

1.32 KWH X $.114039 = $.1325 an hour.

INCase · Jun 8, 2014

as with many things our goobberment says/does war on coal is nonsense. Nat gas is not better than coal. don"t listen to the hype.

nat gas (aka methane) has a lot of water molecules in it. Nat gas"s efficiency goes down due to it takes quite a bit of its energy to heat that water and send it up the exhaust stack.

Also to get enough Nat Gas pumped into a large power plant just to run it is not an easy task either.

Anonymous-0 · Jun 8, 2014

BUT, isn't it probable that the motor is not using FLA, so the bill should be less than calculated.

rdandersom · Jun 8, 2014

You just depressed me.I got out my April bill just out of curiosity.I paid 613.44 for 2729.35 kwh.Thats over 22 cents.

jennifer408 · Jun 8, 2014

wow ! you just made me smile. we're off grid, on solar power, our bill is $ 0.00 each mo. if i had to pay $ 600 and something every mo it would put a big hurtin on my tractor buying savings.

Bob · Jun 8, 2014

Here"s the info posted by the OP... that"s the numbers I used... "What would it cost me per hour to run a 115 volt 1 hp water circulation pump that draws 11 amps?"

He said it DRAWS 11 Amps... he did NOT state "nameplate FLA is 11 Amps", so I took him at his word and answered his question based on the info he provided.

Cas · Jun 8, 2014

We have National Grid here. The seervice charge for my house and shop is $42 each. Then it is .19 cents/kw/hr.
National Grid owner is based in Spain. It was a lot better when it was Niagara Mohawk.
So, if you use no electriciy your bill os $42 a month.

john in la · Jun 8, 2014

Thanks guys

Yes the nameplate FLA is 11 amps. So it most likely draws a little less than that. My bad for not knowing the correct terms to give.

So based on 12 hrs of run time a day we are talking about $1.00 a day. Not bad.

0.006 per kwh on my bill is to pay for line repairs caused by past hurricanes.
So the electricity with the fuel surcharge is really only .108 per kwh.

We get our electricity from Waterford 3. A Entergy owned nuclear power station.

Anonymous-0 · Jun 8, 2014

What is your cost per kilowatt/hour to amortize the expense of buying the batteries and the inverter?

bison · Jun 8, 2014

(quoted from post at 12:57:24 06/08/14) wow ! you just made me smile. we're off grid, on solar power, our bill is $ 0.00 each mo. if i had to pay $ 600 and something every mo it would put a big hurtin on my tractor buying savings.

our power is not free!. You paid the whole wad up front :wink:

JDemaris · Jun 8, 2014

I've got National Grid (former Niagara Mohawk) at three places in Otsego County NY. Monthly hook-up charge is $17.35 at each place.

buickanddeere · Jun 8, 2014

Must be nice . We used to have some of the cheapest power until "green energy " was forced on us. My last power bill was over 17 cents US per KW hr.
The low end of my power meter must be out of calibration. According to the online report from my smart meter. My 1HP pool pump uses 1.6KW per hour.

David G · Jun 8, 2014

I would expect those devices might not be super accurate on the low end.

JDemaris · Jun 8, 2014

I've been on 100% solar electric at our main home
and shop for 5 years. 5400 watt system. It sure
doesn't provide any "free" electricity. Big
investment up front. Many expensive batteries that
will need to be replaced every 7-8 years. Expensive
controllers and inverters. Backup generator to
charge batteries when the sun doesn't shine for two
weeks. Independence - yes. Free power - no. In
fact - I doubt in the long run - it's cheaper the
grid power.

LAA · Jun 8, 2014

I don"t dissagree that natural gas has to be fairly cheap to economically replace coal as far as BTU"s but how is it a hard task to pipe enough natural gas into a large power plant to run it? When all the new regulations kick in natural gas will look batter and better.

JDemaris · Jun 8, 2014

I thought you Canuks got your "hydro" dirt-cheap.
17 cents is even more then here in NY from
National Grid. Before we switched to solar - we
were paying 14 cents per KWh. Now with the solar
- if there was an accurate way to figure it all
out - we're probably paying even more. But luckily
there is NO way to really figure so I don't get
depressed. All depends if an inverter,
controller, battery, or back-up generator fails.
Unlike grid-power -when something breaks - I do
all the work and pay for all the repairs.

Got a $45,000 system that I paid $9000 for. No
power bill in five years except for the $17.35 per
month hook-up charge. Two more years I'll need
$2000 in Canadian batteries (Rolls-Surrete). I
just fixed a failed Outback inverter but it was
under warranty. Free parts but I had to install
myself. Time will tell. I guess the trick is -
to die before something major goes bad. Then I'll
be ahead -maybe. So far I've "saved" $3600 in
power bills but spent $9000. In two years if I
buy new batteries -- I'll have spent $11,000 and
saved $4200 in power bills. Hmmm. Not sure when
the savings actually start.

Geo-TH,In · Jun 8, 2014

For 20 years I had 2 small plastic ponds connected by a 20 ft stream. I used a very small circulating pump to pump water from the lower pond to the upper one, then a water fall into the upper pond, water returned via stream. Well all the fish died, so turned the pump off, filled both tanks with dirt and planted water irises. Saved me about $1/day. $365 a year, $3650 in 10 years and over $7K in 20 years. I figure it was about time to turn it into a flower garden.

Now, I pay electric $134/month on a fixed bill for 12 months. This is not a budget bill where I make up the difference, it fixed bill reguardless what I use, one fee $134/mo for a 2000+ ft total electric baseboard home/with air, no heat pump.

I think my rates are around $.10 or $.11 not 100% because my bill is fixed.

Cas · Jun 8, 2014

John, you are right it is $17.00 is the basic service. I was including all the delivery charges. but then there are the supply services that have to be included.

buickanddeere · Jun 8, 2014

We had "cheap" good for us, jobs for everyone,green energy pushed on the Ontario rate power.
Early solar projects are paid 80.2 cents per KW hr. Early wind turbine power was 13 cents per KWhr. Natural gas turbines were installed with 16.5 cent per KW hr contracts.
Ontario government pockets the carbon credits.
Nuclear, coal and hydro electric were all under 5 cents per KW hr.
The greens living in their Toronto condos. They decided that noisy and shadow flicking, subsidized wind turbines within 550yard of rural homes is acceptable.

CenTex Farmall · Jun 8, 2014

How do you like those Rolls batteries?

I looked at off grid solar when I was making plans to build on our other place. It became clear that actually you build a battery powered house and it happens to be recharged by solar (or wind or fuel burning generator) and that battery bank size is critical. The payback time for the system I was looking at was around 20 years to break even. It seemed the Rolls batteries should last around 10 years but I was concerned how much batteries will then cost 10 years from now the way the EPA is getting weird about things like lead.

This last winter, even in Texas, we went through some long patches with no sun. One period lasted a full week.

bison · Jun 9, 2014

Here in Alberta I pay 10.4 cent/kw.My yearly power bill for the whole farm is still under $3000.
I have a 10 kva lister 3 cyl diesel power plant for back up power(paid $500 for the plant),..I'm fine the way it is.
Alternate power is just a costly headache, i stick with the grid :wink:

mkirsch · Jun 9, 2014

(quoted from post at 14:05:01 06/08/14) We have National Grid here. The seervice charge for my house and shop is $42 each. Then it is .19 cents/kw/hr.
National Grid owner is based in Spain. It was a lot better when it was Niagara Mohawk.
So, if you use no electriciy your bill os $42 a month.

Yeah, it was better (as in cheaper), but maybe that's why Niagara Mohawk went belly-up and had to be bought out by National Grid?

I remember wonderful Niagara Mohawk service. The electricity would go out on a sunny 72 degree calm day, in the days long BEFORE everyone turned to wussies and had to have air conditioning, causing rolling blackouts. That was on top of it going out any time there was a rumble of thunder, or a flake of snow.

Depress Me (electricity cost question)

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