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BadatBourre
US Space Force Fan
Member since Jan 2019
562 posts

Natural Gas Generator Conversion

Interested in converting my generator to a NG kit, but claims of losing 20% of "power" puts me on hold since I'm at the limit of what I can use. Are you guys seeing those power loses or is this generally overblown? Also, how often are you changing oil?


TBoy
Notre Dame Fan
Kalamazoo
Member since Dec 2007
19301 posts

quote:

claims of losing 20% of "power" puts me on hold


The loss of power is inherent in the difference between gasoline, natural gas and propane. Gasoline has more btu's per gallon of fuel than natural gas or propane. However, the natural gas conversion will allow the engine to burn cleaner and will eliminate refueling. If you need more generator power, unfortunately you will need a larger generator.


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Cracker
Montana Fan
in a box
Member since Nov 2009
14638 posts
 Online 

If you bought a gen set and you didn’t buy a diesel it’s gonna be a tough. NG is not as efficient as diesel it may be convenient but I am not convinced you will be ok when every neighbor has a thirsty NG genset on the crappy grid. Look around how bad it was this past season. Good luck until everyone fires up their gen set you will not have enough gas volume to work so your SOL.


TheBoo
USA Fan
South to Louisiana
Member since Aug 2012
3722 posts

quote:

Good luck until everyone fires up their gen set you will not have enough gas volume to work so your SOL.

Thought about that also, which almost made me bury a propane tank in the yard. After thinking about it, we took a direct hit for Ida and went without power for 14 days, which is a reasonable worst case scenario. I live down a street of 42 houses and 75% of them have NG whole home generators, and no one missed a beat.

End of the day if the NG grid is too stressed, we have money set aside in our emergency fund to purchase a decently large propane tank to handle the job. That said, I could purchase several 100 pound tanks and still not come remotely close to the price of a comparable diesel unit.


Cracker
Montana Fan
in a box
Member since Nov 2009
14638 posts
 Online 

That I would do is get propane tank


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kew48
LSU Fan
Covington Louisiana
Member since Sep 2006
737 posts

That’s what regulators are for . If the pipe size is large enough, you should be fine .


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Unobtanium
LSU Fan
Baton Rouge
Member since Nov 2009
1232 posts

quote:

Good luck until everyone fires up their gen set you will not have enough gas volume to work


This is indeed a possibility, but some utility companies are aware of the problem and working to run larger lines to account for the increased demand.

Entergy crew is in my neighborhood as I type - one line installed, my street is next .


Jon A thon
Houston Astros Fan
Member since May 2019
735 posts

I'm lucky where I live that stanby generators aren't as prevalent as in South LA. However. if it did ever become an issue, you can still run gasoline with a conversion kit. Benefit of a converted portable over a dedicated standby. I have had no issues running the same whole house load on my 11KW generator on natural gas. I haven't actually measured the load I'm drawing though.


rodnreel
LSU Fan
South La.
Member since Apr 2011
1185 posts

If converting from propane to NG you generally lose between 10-15% kw except with Cummings. Cummings specks are using NG then if using propane you get an kw increase of 10-15%.

I'm curious why not get an answer on manufactures website using your make and model?


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