Ask an Iowan about power outages and the conversation goes straight to August 10, 2020, when a derecho packing hurricane-force winds tore across the state and hit Cedar Rapids so hard that parts of the city were without electricity for weeks. It was the defining grid event of a generation here, and it exposed how a single line of storms can take down MidAmerican Energy and Alliant Energy service across half the state in an afternoon. Iowa runs inside the MISO grid, and between summer derechos and winter ice, a multi-day outage in Des Moines, Cedar Rapids, or Davenport is a when, not an if. If you’re comparing Iowa solar quotes, it’s worth knowing a grid-tied rooftop system shuts off in that outage too — an anti-islanding safety rule — unless you also have storage.
The lesson of the derecho: plan for days, not hours
The thing the 2020 storm taught Iowans is that “the power’s out” and “the power’s out for two weeks” are completely different problems. When wind flattens trees onto lines over a huge area, crews can’t restore everyone quickly, and the gas stations that would fuel a generator often lose power too. That’s the scenario worth preparing for — not a brief flicker, but a long stretch where you have to keep food, phones, and a little light going on your own.
The outages Iowa actually gets
August 2020 set the ceiling. It did not set the pattern, and building a plan around one storm is how people end up unprepared for the next one.
Who keeps your lights on. MidAmerican Energy and Alliant Energy’s Interstate Power and Light cover most of the state, with rural co-operatives such as Linn County REC in between. Iowa sits inside MISO, with a western edge in the Southwest Power Pool. Crews restore substations first, then towns, then work outward, so a farm at the end of a co-op feeder is restored last by design.
What the derecho actually proved. Not that wind breaks lines, but that damage can be regional and simultaneous. When hundreds of thousands of customers lose power in one afternoon there is no spare crew to send, and the neighbourhoods at the back of the queue wait a week or more.
January ice storms. The winter version of the same failure. Freezing rain loads every span at once across flat, exposed line, so poles come down in sequence and the repair is a rebuild.
Blizzards. Snow rarely takes the line down by itself in Iowa, and it very reliably takes the roads, which delays every restoration behind it.
Summer tornadoes. Narrow, but inside the path structures are destroyed rather than tripped, and a rebuilt line takes days.
Our Nebraska guide covers the same Southwest Power Pool edge from the other side of the Missouri.
Power that doesn’t send you looking for fuel
This is exactly where a battery station beats a gas generator in Iowa. A gas unit runs at 60 to 90 decibels, vents exhaust that’s deadly indoors, and — the real problem after a derecho — needs fuel you may not be able to buy for days. A Jackery LiFePO4 station runs near 30 decibels, is zero-emission and safe inside, and recharges from the sun instead of a pump. The HomePower 3000 delivers 3,072Wh and 3,600W, covers essentials for one to two days, and its included panels top it back up each day the sun returns.
▶ Shop the HomePower 3000 — panels included use code DEAL5
For a larger home, or to run a window AC and heavier loads through a longer outage, the Solar Generator 5000 Plus steps up to 5,040Wh and 7,200W with 120V and 240V and expands to 60kWh.
▶ Shop the Solar Generator 5000 Plus — 7,200W, 120V/240V
How long each Jackery runs an Iowa home’s essentials
Size against watt-hours a day, not the wattage printed on the label.
| Load | Typical draw | Energy per day |
|---|---|---|
| Fridge | ~150W running (cycling) | 1,000 to 1,500Wh |
| Chest freezer | cycling | 600 to 900Wh |
| Gas furnace blower + ignition | 400 to 600W while running | 3,000 to 5,000Wh in deep cold |
| Wi-Fi router | ~10W | ~240Wh |
| LED lights (ten bulbs) | ~50W | ~300Wh (6 hours) |
| Phones and a laptop | 20 to 60W | 150 to 300Wh |
| CPAP | 30 to 60W | 300 to 500Wh per night |
| Sump pump | ~800W running, higher surge to start | varies with the rain |
| Well pump | ~1,000W running, 2 to 3x that to start | needs 240V |
| Summer fan | 30 to 60W | ~400Wh |
| Space heater | 1,500W | the wrong plan, see below |
One row needs saying plainly. A 1,500W space heater drains a 3,000Wh battery in about two hours, so it is the wrong plan in an Iowa January. Run the gas furnace blower instead and heat the whole house for a fraction of the energy.
An August derecho day with the fridge, a fan, the router, phones and a few sump-pump cycles comes to roughly 2,000Wh. A January ice-storm day with the furnace blower added runs 5,000 to 7,000Wh. The second number is what decides which unit you buy.
HomePower 3000. 3,072Wh of LiFePO4 and 3,600W of output, panels included. Summer essentials for one to two days per charge, and with the furnace blower on top in deep cold, closer to a day. Near 30 dB with zero exhaust, so it runs indoors with the windows shut. It is 120V only and not expandable.
HomePower 3600 Plus. 3,584Wh and 3,600W, expandable to 21kWh, which turns a 6,000Wh winter day into three days or more with no sun. That matters in a state whose worst outage lasted a week. It is transfer-switch ready, so the furnace circuit can be hardwired.
Solar Generator 5000 Plus. 5,040Wh, 7,200W, 120V and 240V, expandable to 60kWh. The only one of the three that runs a 240V well pump on an acreage.
Season decides how much the panels help. A bright summer day puts 1,500 to 2,000Wh back, roughly a full day of summer essentials, so a derecho outage becomes open-ended. A grey January day returns a few hundred watt-hours, so size winter as if the sun gives you nothing.
| Unit | Capacity / output | Best for in Iowa | Buy |
|---|---|---|---|
| HomePower 3000 (our pick) | 3,072Wh · 3,600W · panels included | Summer essentials for 1 to 2 days, refilled daily by the panels | Check price → |
| HomePower 3600 Plus | 3,584Wh · 3,600W · to 21kWh | A derecho-length outage, or an ice storm with the furnace on a transfer switch | Check price → |
| Solar Generator 5000 Plus | 5,040Wh · 7,200W · 120V/240V · to 60kWh | Well pump and other 240V loads on an acreage | Check price → |
▶ Shop the HomePower 3600 Plus — expandable to 21kWh
Solar generator vs gas generator in an Iowa winter
- Carbon monoxide. A battery station vents nothing, so it runs in the utility room with the house sealed against an ice storm. A gas generator belongs outside and well away from windows and doors. Never run one in an attached garage, and never backfeed a wall outlet.
- Noise. About 30 decibels against 60 to 90, which matters most in the second week of an outage.
- Fuel in a storm. The battery is charged before the storm and refilled by the sun afterward. Gasoline has to be stored fresh and poured into a hot engine, and a regional outage takes the pumps down with the houses, which is the lesson Iowans took from 2020.
- Cold starting. Press a button, or fight a pull cord and cold oil in January.
- Maintenance. Oil, carburetor, fuel stabiliser and a monthly test run for gas. A monthly charge check for the battery.
- Running cost. Sunlight is free. A week of gasoline is not.
- What a gas generator still does better. A very long outage with no sun, and cheap whole-house 240V up front. On an acreage with a well, a gas generator outdoors for the heavy 240V work plus a battery indoors for the overnight loads is the strongest pairing.
Set-up checklist before the first storm
- Charge it to full, then top it up monthly. Check the display on the first of the month. Derecho season and ice season bracket most of the year here.
- Keep it indoors. A closet, utility room or basement, not an unheated garage or a shed.
- Write the load order down. Fridge first, then the sump pump or the furnace blower depending on the season, then the router and one lamp per room. Tape the list to the unit.
- Buy cords rated for the load. A short 12-gauge cord for the fridge, the sump and the furnace runs; thin cords drop voltage and get warm.
- Test the furnace on the battery in October. If it is hardwired, have a licensed electrician add a plug-in connection first.
- Know where the sump pump plugs in and keep that cord reachable, because a wind outage and a downpour usually arrive together.
- Pair the HomePower 3600 Plus with a transfer switch for hardwired circuits like the furnace or well pump controls. Licensed electrician only, and never backfeed an outlet.
- Keep a battery-powered CO alarm regardless. A furnace, a water heater, or a neighbour’s generator can still put carbon monoxide in the house.
▶ Get the HomePower 3000 charged before the next storm line use code DEAL5
Set it up before the next storm line forms
Derechos give almost no warning, so backup power only helps if it’s already charged and waiting. Get a unit set up now and it’s ready the next time a wall of wind shows up on the radar or an ice storm coats the lines. It’s worth checking current deals before then.
Keep reading: Iowa solar incentives & costs · Best solar generators for home backup (Missouri) · How to keep power during a Nebraska outage · How to keep power during a Wisconsin outage · How to size a solar generator for home backup · Best solar generators for home backup