Home Improvement

Standby Power for Country Homes on Wells and Septic

Out past the city limits in East Texas, a power outage behaves differently than it does on a street with municipal water and sewer. Ice loads up the pines along the county roads, limbs come down across the lines, and repair crews work their way out to the rural feeders last. The February 2021 winter storm left many households waiting days, not hours.

In town, losing power mostly means losing lights, heat and the refrigerator. On five acres outside Lindale or Mineola, it also means losing water. The well pump stops, the pressure tank drains after a few flushes, and the aerobic septic system that cleans what goes down the drain stops aerating. A backup plan for a country home has to start with those two systems, not with the television.

That is the kind of planning a local electrician walks through before a single wire is pulled. Around Lindale and across the wider East Texas area, Longhorn Electrical is a family-owned shop led by master electrician Austin Kennedy, and its work runs from troubleshooting and lighting to panel and service upgrades, new construction wiring and whole-home standby generators.

The Pump at the Bottom of the Well Sets the Size

Most people size a generator by adding up appliances. On a property with a private well, the submersible pump deserves to be looked at first, because it is often the hardest load in the house to start. A pump motor can pull several times its normal running current for a split second as it spins up, and a generator that is too small will sag in voltage, stall the motor or trip its own breaker right when you need water.

Deep wells with bigger pumps ask even more of the generator. A good installer will look at the pump’s nameplate or the control box in the pump house, and many will suggest a soft start or a constant pressure controller that eases that surge. That sometimes allows a smaller, cheaper generator.

The pressure tank buys you a little time but not much. Once it empties, every sink and toilet in the house goes dry until the pump runs again.

What Happens Downhill After the Last Flush

Clay soils across much of East Texas push many rural lots toward aerobic treatment units with spray heads instead of a simple gravity septic field. Those systems depend on an air compressor and pumps, and they stop treating wastewater when the power goes out.

Texas regulations only require a reserve capacity of one third of the daily design flow, which works out to roughly 80 gallons for a three bedroom home according to Texas A&M AgriLife Extension’s guidance on onsite wastewater systems. The same guidance points out that the first pump dose after power returns can overload the spray field, and the high water alarm may keep sounding for up to a day while the system catches up.

Putting the aerator and spray pump on a backup circuit avoids all of that. The loads are small, so adding them rarely changes the generator size, but it saves the bacteria in the tank from dying off during a long outage and spares the yard from a soggy, smelly mess afterward.

Heat Pumps, Freezers and the Loads You Choose to Carry

Once water in and water out are covered, the question becomes how much of the house should keep running. There are two broad paths. A whole-home unit backs up the entire panel and uses load management to shed big appliances when demand runs high. An essential circuits setup moves only selected circuits to a smaller subpanel fed by the generator.

For a country home, a sensible essential list often looks something like this.

  1. The well pump and the aerobic septic controls
  2. The refrigerator and any chest freezer holding a season of beef or venison
  3. At least one heating and cooling system, or the blower for a gas furnace
  4. A few lighting and outlet circuits, including the one that charges phones and medical devices
  5. The garage door opener and any livestock water heaters or fencing chargers

Central air and heat pumps are the next big decision. In a July outage, cooling becomes a safety issue for older family members. Compressors have a hard start much like a well pump, so soft start kits are common here as well. Ranges, dryers and water heaters are usually the first loads locked out.

Propane Tanks, Gas Meters and a Fuel Plan That Lasts

Homes inside town limits may run their generator on natural gas from the utility, provided the meter and line can carry the extra demand. Out in the county, most standby units burn propane from a tank already on the property for the furnace or water heater.

Fuel is where many plans fall short. A mid-sized air-cooled generator can burn a couple of gallons of propane an hour under a moderate load and noticeably more near its full output. Propane tanks are filled to only about 80 percent of their size, so a tank that is half full in January holds far less runtime than the gauge suggests. Sizing a larger tank, or setting up automatic refills with the supplier before storm season, turns a two day plan into a week long one.

Where the Unit Sits and How It Hands Off Power

A standby generator connects through a transfer switch, which disconnects the house from the utility before generator power flows in. That separation is what protects lineworkers from power backfeeding through the transformer on the pole, and it keeps the generator from being damaged when utility power returns. An automatic switch handles the change on its own within seconds, so nobody has to walk outside in an ice storm to flip anything.

Placement follows the manufacturer’s clearances from windows, doors, vents and the wall itself, mostly to keep exhaust out of the house. On rural lots it is also worth thinking about drainage, since a pad set in a low spot can sit in standing water after a spring downpour, and about how close the unit is to the propane tank and the gas regulator.

Keeping a Machine Ready for Its Bad Day

A standby generator spends most of its life waiting. It runs a short exercise cycle every week or so, and that routine is what keeps the engine lubricated and the battery charged. Oil changes, air filters, spark plugs and a battery that is replaced every few years keep it ready.

East Texas adds its own chores. Fire ants are drawn to electrical equipment and can pack the enclosure and controls, so a periodic look inside and a treatment around the pad goes a long way. Pine needles clog the intake vents every fall and need clearing before the first cold front.

The best rural setups are the ones nobody thinks about during an outage, because the water still runs, the freezer still hums and the septic keeps doing its work out of sight.