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 > New shore service tripled energy bill

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Chum lee

Albuquerque, NM

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Posted: 09/30/21 08:51pm Link  |  Quote  |  Print  |  Notify Moderator

KnowNuthin wrote:

We recently ran a 50 amp service to our barn where or FW resides… I left the power connected over the past couple months to keep the battery topped off … I also left our fridge on (electric) for a couple guests who stayed a few nights (no a/c usage as it was cool outside)..: the fridge ran for the entire two month period…

I recently reviewed our electric bill… typically we’re in the 300-400 kWh range… last two months were 1186 & 1346 kWh…

Does the fridge use that much juice or should I be looking for a parasitic draw somewhere between the house and the barn?


My 30' Class A (30 amp service) a with a single rooftop AC and a Dometic 2652 Fridge on electric uses about $45.00 per month in the Albuquerque summer paying $.15.5 per kwh for metered shore power. I use the AC and the fridge everyday. About 290 Kwh per month. No water heater. IMO, something (major) is left on in your RV. As Doug mentioned, my bet is your electric water heater if you have one.

Chum lee

KnowNuthin

Centennial, CO

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Posted: 09/30/21 09:02pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks for the response...

The fridge was pretty empty... a dozen water bottles or so...

I had the water heater on propane for the several days we had guests...

Didn’t run the home a/c more than a couple days...

Our RV battery is on its last legs...which is why I left the 50 amp service running...(would this cause additional draw?)

I.m going to do an ohm test on the house-to-barn service wires to see if there’s a fault there...

Currently I have the shore service running only to charge the battery... I guess I’ll see how next months bill shakes out... if it’s still high I’ll go with the Kill-a-watt gizmo...

Thanks again guys


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pianotuna

Regina, SK, Canada

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Posted: 09/30/21 09:05pm Link  |  Quote  |  Print  |  Notify Moderator

My water heater will cycle for 15 minutes every four hours, if no water is used. It draws 1400 watts while running. That would amount to about 2.1 kwh per day or about 63 kwh per month.

It is a ten gallon Dometic unit.

Something else must be running.

Could it be a bad battery that the converter is attempting to resurrect?


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MFL

Midwest

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Posted: 10/01/21 04:50am Link  |  Quote  |  Print  |  Notify Moderator

KnowNuthin wrote:
Our RV battery is on its last legs...which is why I left the 50 amp service running...(would this cause additional draw?)


Since WH is not on electric, this could be a heavy draw, due to continually charging.

Jerry





valhalla360

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Posted: 10/01/21 05:04am Link  |  Quote  |  Print  |  Notify Moderator

MFL wrote:

KnowNuthin wrote:
Our RV battery is on its last legs...which is why I left the 50 amp service running...(would this cause additional draw?)


Since WH is not on electric, this could be a heavy draw, due to continually charging.

Jerry


This is my guess. If the battery is shot, the charger may be trying to charge flat out constantly.

A 60amp @12v charger might pull close to 800watts at peak output when losses are included. If it's going 24/7, that's around 575kwh per month. Add in a bit for the fridge and some other minor loads and there is your 700kwh increase.


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CA Traveler

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Posted: 10/01/21 08:14am Link  |  Quote  |  Print  |  Notify Moderator

I'll speculated that it's the house but again a Kill A Watt will isolate to the RV and if so turning off CBs will isolate the circuit.

A 60A continual battery charge would result in warm batteries, possible bulging sides and maybe ready to explode.


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Posted: 10/01/21 08:25am Link  |  Quote  |  Print  |  Notify Moderator

I don’t think tripling your electric usage is even remotely possible with the RV fridge and converter.
But see how many amps it’s drawing if that’s what you suspect.


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thomasmnile

Lake Mary, FL

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Posted: 10/01/21 08:34am Link  |  Quote  |  Print  |  Notify Moderator

Wonder if:

The OP's electric utility uses "smart meters"?

If so, is the meter working correctly?

300-400 KWH per billing cycle? How do you do it?? [emoticon]

Chum lee

Albuquerque, NM

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Posted: 10/01/21 08:50am Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

I'll speculated that it's the house but again a Kill A Watt will isolate to the RV and if so turning off CBs will isolate the circuit.

A 60A continual battery charge would result in warm batteries, possible bulging sides and maybe ready to explode.


Yep!

I don't know what number/type of batteries the OP has or their condition. If they are wet cell lead/acid, continuous over charging (IMO, over 10 amps each) WILL eventually result in water loss, then severe off gassing (hydrogen gas) which is explosive/corrosive. Chances are it will eventually trip the propane warning alarm if there is one nearby. The acrid smell of rotten eggs, (hydrogen/hydrogen sulfide gas) should be present for a while before . . . . . . . . boom!

Chum lee

pianotuna

Regina, SK, Canada

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Posted: 10/01/21 10:15am Link  |  Quote  |  Print  |  Notify Moderator

valhalla360 my 30 amp PD converter with a power factor of 0.7 draws 750 watts (measured). But we don't know what the OP has for a converter.

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