Energy Storage in Florida.

Major battery enclosures (Tesla Powerwall, Enphase IQ Battery 5P, FranklinWH) are rated NEMA 3R or better and tested to operate in driving rain. The bigger question is wind. Florida-installed batteries are mounted to wind-zone-rated structural backing, usually a CMU or stud-reinforced wall, and Florida county permitting checks that explicitly. A correctly mounted battery system is rated to ride through Cat 3-4 wind events.

For a few hours, yes. For a multi-day outage, no, that's why most FL battery sizing lands at two batteries minimum (27 kWh total) when AC backup is on the table. With solar, two batteries plus daytime PV charging keep AC + fridge + lights running on a rolling basis through 3-5 days of typical late-summer sun. Without solar, one battery should be sized for survival mode (fans, fridge, lights) rather than AC.

Honest comparison: generators carry a lower upfront price point, but lose on three things during Helene and Milton, fuel availability (gas stations down for days), runtime maintenance (oil changes, filter swaps), and silent operation. Solar+battery wins on operation when fuel logistics fail and on daily bill offset year-round. Most FL homeowners who lived through both 2024 storms now lean toward solar+storage as their primary, with a small portable gas generator as a backup-to-the-backup.

Yes. Florida exempts qualifying solar energy systems, including paired battery storage, from state sales tax under FL Statute 212.08. On a typical $32K install, that's roughly $1,800 in savings at the point of sale. There's also a property-tax exemption: solar+storage equipment does not increase the assessed value of your home for property-tax purposes. Two of the cleanest state-level supports in the country, no application required, your installer files the right exemption certificate.

For 5-14 day outages, only solar+battery works long-term. A battery alone runs out; a generator runs out of fuel. A solar array refills batteries every day there's sun. After Milton, post-storm sun returned within 2 days in most affected counties, homes with solar+battery had stable AC by day 3 while neighbors waited on FPL crews. Sizing for sustained outage means two batteries plus enough panels to refill them daily, even on partly-cloudy weather.

For Florida specifically: almost always yes. The electrician is already there, the inverter is being sized, and certain hybrid inverters (Enphase, Tesla, SolarEdge) install much more cleanly when battery and panels are designed together. Florida's hurricane exposure means a solar-only install loses its primary daytime value during the exact week you need it most, when the grid is down. Solar without storage shuts off when the grid goes off, by code. Solar+storage runs through it.