What Has to Keep Running: Backup Power Priorities in Eastern Laramie County

An outage in town is a coffee break. An outage on a place east of Cheyenne is a schedule change. The lines that reach Pine Bluffs, Burns, Carpenter and the country between them run for miles to serve a handful of meters, so when wind lays a pole over or wet spring snow drags a span down, a crew has to drive that line to find the fault. Four hours is a good day out here. Two days happens. The people who handle it well are the ones who decided ahead of time what had to stay on.

Start With an Honest Inventory

Before anybody talks equipment, write down what is actually on the place. Not what a generator ought to cover. What is really there. On most properties out here the list runs: well pump, furnace blower and controls, refrigerator, a chest freezer or two, stock tank heaters if there are animals, a sump on the low ground, heat in the shop if anything in it cannot freeze, the router and a laptop if somebody works from home, and any medical equipment in the house. Then lights, then everything else. Most people start at the whole house and work backward toward what they can live without. Start from the other end and the decision gets much easier.

Rank It by What Breaks

Tier one is anything that causes damage or danger when it stops. The furnace blower belongs here, because a gas furnace with no power is a cold box and a cold house in January is a plumbing bill by morning. The well pump belongs here: no pump means no stock water and no toilets. Stock tank heaters belong here if you keep livestock. Medical equipment belongs here, full stop, and if somebody runs an oxygen concentrator the whole design changes, because the power cannot lapse even for the seconds an engine takes to start.

Tier two costs real money over a day or two: two full freezers of beef, a shop sitting at ten degrees, an income that stops when the router does. Those can wait an hour. Tier three is comfort, and it is the first thing to cut when fuel runs tight.

The Well Pump Sets the Number

Here is where I part ways with how generators usually get sold. Square footage tells me nothing. The well pump tells me everything. A submersible motor pulls a hard surge the instant it starts, several times its running draw, for a fraction of a second. The utility grid absorbs that without noticing. A generator notices. With no headroom for it, the unit stumbles or drops out, and it does that when the pressure tank is empty and you want water.

So the first numbers I want off a property are the pump’s horsepower, its depth, and what the nameplate says about locked rotor amps. On a deep high plains well, that one motor is often a bigger starting load than the rest of the house combined.

Soft Starters Buy You Capacity

Covering more does not always mean buying more machine. A soft starter ramps the pump motor up instead of slamming it across the line, which cuts that starting surge down hard. Where the pump drove the sizing high, that alone lets a noticeably smaller unit carry the identical load list. Load management does the other half: a shed module drops lower-priority circuits for the second the pump needs to start, then brings them back. The water heater steps aside, you never notice, and the machine you own is smaller.

Transfer Switch or Interlock

A manual interlock kit is a plate on your panel that makes it physically impossible to backfeed the utility. You roll the portable up to the inlet, kill the main, flip the generator breaker and switch on the circuits you want. Done right it is code-legal, it is affordable, and I install plenty of them. It suits somebody who is home most of the time and does not mind going out in the weather.

An automatic transfer switch suits everybody else. It watches the line, starts the unit, transfers the house and hands it back on its own. If you keep livestock and travel for work, if there is medical equipment in the house, or if the place sits empty part of the winter, an interlock is not honest protection. The outage will come while you are gone.

The Tank Is the Real Limit

Nearly every generator out here runs on the propane already feeding the furnace and the range. That also means run time is not a generator spec. It is whatever sits in the tank. An engine under load drinks faster than people picture, and that tank was sized for a furnace alone. Run the number before you buy: consumption at the load you expect, divided into the usable gas. Tanks fill to eighty percent, and in deep cold a low tank vaporizes too slowly to feed both.

Top it off in the fall and keep it up. The truck reaches you in good weather, and the storm that drops your power is the same storm that keeps it on the pavement. When a long outage is the real worry, a larger tank often solves more than a larger machine.

Wind Decides Where It Sits

Siting matters more here than almost anywhere I have worked, and it usually gets decided by whoever pours the pad. Snow on this country does not fall so much as travel, and it stacks wherever the wind slows down. Tuck a unit into the sheltered corner behind the shop or on the lee side of a shelterbelt and you have chosen the exact spot the drift builds. I have dug out units that ran fine right up until the intake packed solid.

Set the pad high enough that a normal winter never reaches the intake louvers, keep intake and exhaust clear of anything that funnels drift at them, hold the clearances from windows, doors, vents and the fuel tank, and look at where the plow throws snow. Ground the wind sweeps clean beats sheltered ground every time.

Exercise It or Lose It

A standby unit is an engine sitting outdoors doing nothing eleven months a year. Left alone it will not start, and that is a machine problem, not a brand problem. The exercise cycle is the defense: it runs the unit briefly on a schedule, moves the oil and keeps the battery charged. The battery is what kills most units. One that has been quietly dying since spring gives you a weak crank on the coldest night of the year and then silence.

A neglected unit looks like this inside: mice nesting in the wiring, a web plugging a vent, an air filter packed with summer dust, oil three years old. Once a year somebody should open it up, change oil and filter, load-test the battery, and run a real transfer test with the house on it. A start test proves nothing.

When a Battery Makes More Sense

Not every place needs an engine, and I say that as somebody who installs them for a living. A battery and inverter carry the load instantly with no transfer gap, which matters when there is medical equipment in the house. Nothing to fuel, no noise at two in the morning. Pair it with solar and it recharges through a long outage instead of draining down.

Where it runs out of room is heavy motors over long stretches. A deep well, a heated shop and stock tank heaters across a two-day January outage is more energy than a sensible bank holds. On a smaller place with rural water and a short list, the battery is often the cleaner build. Plenty of properties end up with both, and there is nothing wrong with that answer.

How I Walk a Property

I read the panel first, then the well, then the tank, then the yard, because where the snow sat last year tells me more than any paperwork. Then we sort the list into those three tiers and the decision mostly makes itself. If the panel is full or too old to take another breaker cleanly, start with a panel replacement in Pine Bluffs . The scope of a standby install is on our Pine Bluffs backup generators page . Call (307) 757-5553 or send us a note to set up a free walkthrough.

Common Questions

If I can only cover a few circuits, what goes first?

Anything that causes damage or danger when it stops: the furnace blower, the well pump, stock tank heaters if you keep animals, and any medical equipment in the house. Freezers and a home office come next. Lights and comfort go last, and they usually come along free anyway.

Why size around the well pump instead of the house?

A submersible pump motor pulls several times its running draw the instant it starts. The grid swallows that surge without noticing; a generator does not. With no headroom for the locked rotor draw, the unit stumbles exactly when the pressure tank is empty. Horsepower, well depth and nameplate amps matter more.

Is a manual interlock kit good enough?

It is, if you are home most of the time and do not mind going out in the weather to start a portable and flip breakers. It is not, if you travel, keep livestock, or leave the place empty in winter. Those situations need a transfer switch that works with nobody home.

How long will my propane run a generator?

That depends on the tank, not the generator. Divide the usable gas by the unit’s consumption at the load you expect, remembering tanks fill to eighty percent and a low tank vaporizes poorly in deep cold. If long outages are your worry, a larger tank often solves more than a larger machine.

Would a battery work instead of a generator?

On a smaller place with a short load list, often yes. A battery carries loads instantly with no transfer gap, makes no noise and needs no fuel delivery, and it recharges from solar. Deep well pumps and heated shops across a two-day outage are where it runs short.

More on our Pine Bluffs service area page , our Pine Bluffs backup generators page , or the project gallery.