Load management lets a smaller standby generator cover your whole house by pausing a few high-draw appliances — the water heater, the dryer, a second AC stage — whenever total demand climbs near the unit’s limit. Nothing is cut off for good; shed circuits come back as demand drops. It’s the honest middle path between covering essential circuits only and buying the biggest unit on the market. Whether it beats simply stepping up a size usually comes down to what your fuel supply can feed, and that’s a question worth answering before the quote, not after.
What is load management on a standby generator?
A managed system pairs the generator with shed modules or a smart management panel wired to specific high-draw circuits. It watches total demand, and when the house asks for more than the generator can give, it pauses the lowest-priority circuit on its list for a few minutes instead of letting the unit overload.
The hardware sits alongside the automatic transfer switch — the box that moves your house from grid to generator power. You choose the shed list once, at setup. Everything not on it behaves exactly as if you’d bought the bigger generator.
This page covers management during an outage. If you’re starting from scratch, work out what size you need first — plenty of homes discover they don’t need management at all.
How does a 22kW with management compare to a 26kW without it?
The gap between those two tiers is 4kW — roughly one large appliance’s worth of demand. That’s the whole territory load management has to defend.
Run the January scenario: outage at 6pm, furnace blower going, someone cooking, someone showering, dryer on. The 26kW carries all of it at once and never blinks. The 22kW carries all of it too — but when the stack peaks, the water heater pauses for a few minutes, then rejoins. Same circuit list. Different behavior for maybe twenty minutes a day, only on the worst days.
What tips the decision one way or the other usually isn’t the electrical math. In-city, the bigger unit demands more gas from a meter that may already be near its limit — the 22kW whole-house question is really two questions, and the meter one bites harder. On propane, the bigger unit drains the tank faster on every hour of every outage, not just at peak.
What does load shedding feel like during an outage?
Mostly like nothing. Lights, refrigeration, internet, and the furnace stay on throughout — those live on the protected list. What you might notice: the dryer pausing mid-cycle and picking back up, or the water heater sitting out the peak hour so a second consecutive shower runs cooler than the first.
That’s the full cost. During a normal week you’ll never know the modules exist, because on grid power they do nothing.
Who should pick which?
Buy the bigger unit, skip the management, when:
- Someone in the house depends on powered medical equipment — buy headroom, not cleverness
- Your simultaneous loads are genuinely heavy: two big HVAC systems, all-electric appliances, a shop
- Small interruptions will drive you up a wall, and you know it
Take the smaller unit with management when:
- Your gas meter can’t feed the bigger unit without an upgrade
- You’re on propane — Harvest and the county’s west side — and runtime matters more than uninterrupted laundry
- Your peak stack is occasional, not hourly — which describes most households honestly assessed
Either way, the decision starts from measured loads, not from this page. The sizing overview walks the whole method end to end.