Propane for Backup Generators in Rural Colorado
When the Colorado grid goes down — and in Elbert and El Paso County, it does — your propane standby generator is your lifeline. Brothers Propane keeps your tank full so you're ready when it matters.
Why Propane Is the Best Fuel for Standby Generators
Gasoline and diesel work for short-term portable generators, but for a permanent whole-home standby system, propane has real advantages that matter most during the exact situations you need your generator.
Indefinite Shelf Life
Propane doesn't degrade like gasoline (which can go stale in 30–90 days) or diesel (which can gel in cold). Propane stored in your tank for 5 years is just as ready as propane delivered yesterday. Your emergency fuel is always fresh.
Automatic Activation
Whole-home propane standby generators detect a grid outage and start automatically — within seconds — without any action from you. You can be away from home and your heating, refrigeration, and well pump are already running.
Works in Extreme Cold
Propane vaporizes readily at Colorado winter temperatures. Unlike diesel (which can gel below -20°F) or wet-stacked natural gas systems (which can have supply pressure issues), propane generators perform reliably in sub-zero conditions.
Generator Tank Sizing Guide
Choosing the right tank size depends on your generator's output, your load, and how many days of outage backup you want. Here's a practical guide for the systems most common in our service area.
| Generator Size | Fuel Use (full load) | 500-gal runtime | Recommended Tank |
|---|---|---|---|
| 7–10 kW (partial home) | ~1 gal/hr | ~20 days | 120 or 250-gal |
| 14–20 kW (whole home) | ~1.5–2 gal/hr | ~10–14 days | 500-gal |
| 22–26 kW (large home) | ~2.5–3 gal/hr | ~7 days | 500 or 1,000-gal |
| 30+ kW (commercial/ag) | ~3–5 gal/hr | ~4–7 days | 1,000-gal or larger |
If you also heat your home with propane, size up — you'll be running heating and generator simultaneously during a winter outage. A 1,000-gallon tank is the right call for most properties combining heating and generator fuel.
Power Reliability in Rural El Paso & Elbert County
Rural Colorado sees longer and more frequent power outages than urban areas — not because the utilities don't care, but because the infrastructure spans hundreds of miles of exposed lines across open high-plains terrain subject to high winds, ice storms, and lightning.
In Elbert County and eastern El Paso County, outages of 12–72 hours are a realistic scenario every winter. When you lose power in January on a property with a well pump, propane heating, and livestock water systems, the stakes are real: frozen pipes, dead livestock water tanks, and a home that drops to dangerous temperatures.
A properly sized propane standby generator is one of the best investments a rural Colorado homeowner can make. It kicks on automatically within seconds of an outage, protecting your pipes, your family, and your property — with no action required from you.
Dedicated Generator Tanks
If your home uses propane for heating, we recommend a separate dedicated tank for your generator. This ensures your backup power fuel is never depleted by routine heating demand — especially important during multi-day winter outages when both systems run simultaneously.
Coordination with Installers
We regularly work alongside Generac, Kohler, and Briggs & Stratton dealers in the area. We can coordinate the propane tank installation, permit, and first fill to align exactly with your generator installation timeline. One call to us gets the propane side handled.
Propane Generator FAQs
How long does propane last in a standby generator tank?
How much propane does a whole-home standby generator use?
What size propane tank do I need for a whole-home generator?
Can I use the same tank for both my home heating and generator?
Do you coordinate with generator installers like Generac or Kohler dealers?
How do I make sure I have propane before a storm hits?
Related Services
We install dedicated generator tanks — above or below ground — and handle permitting.
Stay fueled year-round. We schedule fills before your tank hits 30%.
If you heat with propane too, coordinate your heating and generator tanks.
Outage imminent and your tank is low? Call us for emergency dispatch.
The standard for whole-home generator and heating fuel in our service area.
Generator fuel delivery for Elizabeth and all of Elbert County.
Get Your Generator Ready
Call us to install a dedicated generator tank, schedule a delivery, or set up automatic service so you never run dry when the power goes out.