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Natural Gas Powered Portable Generator

Posted on 5/2/22 at 8:46 am
Posted by djangochained
Gardere
Member since Jul 2013
19054 posts
Posted on 5/2/22 at 8:46 am
I need a 12-15 kW generator to have on standby for hurricane outage. Will be powering lights/tvs/and one 4ton AC unit
Posted by Weekend Warrior79
Member since Aug 2014
18978 posts
Posted on 5/2/22 at 9:11 am to
I went through FactoryPure to get my Champion generator. They installed the Tri-Fuel kit so I can connect to my gas line. Haven't had a chance to hook it up yet to give it a test run, but has all good reviews.
Posted by DVinBR
Member since Jan 2013
14571 posts
Posted on 5/2/22 at 9:30 am to
quote:

Natural Gas Powered Portable Generator


quote:

12-15 kW


it's going to be massive, but the only way to get that kind of power out of a "natural gas" portable generator is by converting what is possibly the biggest portable generator on the market to natural gas with a kit

remember that natural gas lowers the generator output power, getting a generator that is greater than 15kw and converting it to natural gas will put it in that range after the conversion

https://www.generac.com/all-products/generators/portable-generators/gp-series/gp17500e

https://centuryfuelproducts.com/generators/conversion-kits/generac-generator-propane-conversions-and-natural-gas-conversion-kits/gp17500e
This post was edited on 5/2/22 at 9:32 am
Posted by Jon A thon
Member since May 2019
2130 posts
Posted on 5/2/22 at 9:38 am to
I have an 11kw converted to NG. Runs my 3 ton AC (soft start kit installed) and everything else in the 2700 sqft house. I peave the other 4 ton unit off when running the generator.
Posted by mdomingue
Lafayette, LA
Member since Nov 2010
37680 posts
Posted on 5/2/22 at 10:03 am to
quote:

I went through FactoryPure to get my Champion generator. They installed the Tri-Fuel kit so I can connect to my gas line. Haven't had a chance to hook it up yet to give it a test run, but has all good reviews.



This one?

https://factorypure.com/collections/champion/products/champion-100111-12000w-15000w-717cc-electric-start-gas-generator-new


$ 2,399.00 plus $279 including installation for the tri fuel kit.
Posted by lsujro
north of the wall
Member since Jul 2007
4017 posts
Posted on 5/2/22 at 10:06 am to
there are plenty of places that sell the trifuel ready champion generators. i believe tractor supply has them.
Posted by Weekend Warrior79
Member since Aug 2014
18978 posts
Posted on 5/2/22 at 10:34 am to
No, just realized I had a smaller generator, like I said still haven't had a chance to crank it up. Mainly laziness/complacency as I already put it in the shed and have had it for a few months now
8kW generator

Did see this one when I went to pull mine up. Still not the 12-15k OP was looking for, but won't need a kit.
Tri-Fuel generator
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3967 posts
Posted on 5/2/22 at 11:32 am to
Make sure you have a 50 Amp, output plug on the gen, or your just wasting your effort, with only a 30 amp plug.
Posted by djangochained
Gardere
Member since Jul 2013
19054 posts
Posted on 5/2/22 at 12:17 pm to
yea i have that same generator in gas only and need something bigger
Posted by TheBoo
South to Louisiana
Member since Aug 2012
5091 posts
Posted on 5/2/22 at 9:17 pm to
You’ll need a 15,000 watt running gen to get to 12,000 natural gas watts. Westinghouse makes an 18,000 watt running gen. May be something to look into.
Posted by TSmith
New Orleans, La.
Member since Jan 2004
1977 posts
Posted on 5/2/22 at 9:43 pm to
You can get by with less if you install a soft starter on your AC condenser. Drops amp draw by 70%.
Posted by LSUtigerME
Walker, LA
Member since Oct 2012
3891 posts
Posted on 5/2/22 at 10:15 pm to
What’s the inlet on your house? Unless you put in a transfer switch, typically the most you’ll get is 50A. Even some of the bigger portable gens only have a 50A max output through one plug. So that’s gonna limit you to 12kW.

As mentioned, if you get a soft start for the AC, it should drastically reduce the startup load and allow you to run the AC on a smaller generator.
Posted by LSUSports247
Member since Apr 2007
848 posts
Posted on 5/2/22 at 10:20 pm to
Is there a daily benefit to having the soft start or is it only beneficial for power outage situations?
Posted by TSmith
New Orleans, La.
Member since Jan 2004
1977 posts
Posted on 5/2/22 at 11:36 pm to
quote:

Is there a daily benefit to having the soft start or is it only beneficial for power outage situations?

They also increase the longevity of your compressor. Reduces the mechanical stress at startup.

They’re a bit pricey (~$300), which is most likely why manufacturers haven’t made them original equipment.
Posted by DVinBR
Member since Jan 2013
14571 posts
Posted on 5/3/22 at 1:10 pm to
if you see lights dipping when the AC kicks on a soft starter will stop that

a hard start kit works well too, it's not as good but a lot cheaper

in fact, a soft starter has a hard start capacitor built into it in addition to the TRIAC
This post was edited on 5/3/22 at 1:14 pm
Posted by LSUlove
Louisiana
Member since Oct 2003
572 posts
Posted on 5/4/22 at 12:52 pm to
I have this one and it works great! Runs my entire house except one a/c as I have three of them.
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