Local brief
1,102 without power in Jefferson County, FL (Hurricane Isaias)
About 12.3% of the 8,974 electric customers in Jefferson County were without power as of 9:33 p.m. PT Oct. 9, per the Florida Division of Emergency Management (FDEM) county power outage report. Notice Nearby updates this count every 15 minutes overnight.
1,102 of 8,974 electric customers in Jefferson County, Florida, were without power (12.3%) during Hurricane Isaias, according to the Florida Division of Emergency Management (FDEM) county power outage report as of 9:33 p.m. PT, Oct. 9, 2026. FDEM compiles the county count from the utilities that report to the state.
Notice Nearby flags a county when at least 10% of customers are out (with at least 500 out) or at least 5,000 are out. Jefferson County is in the 10%-to-24% tier. When the count drops below that line, this brief will say so.
Report an outage to your own electric utility. Utilities serving parts of Jefferson County include Tri-County Electric Cooperative: https://www.tcec.com/; Duke Energy Florida: https://www.duke-energy.com/outages. Statewide outage information: Florida Division of Emergency Management, https://www.floridadisaster.org/
Generators: run them outdoors only, at least 20 feet from windows, doors and vents. Never run a generator, grill or camp stove inside a home, garage, carport or tent, even with the door open (CDC and Ready.gov guidance).
Carbon monoxide has no color or smell. Use battery-powered CO alarms. If anyone feels dizzy, weak, sick to the stomach or confused, get to fresh air right away and call 911.
Downed lines: treat every downed or sagging power line as live. Stay far away, never touch it or anything it is touching, don't drive over it, and don't walk through flood water that could hide one. Report it to your utility or call 911.
Turn off or unplug appliances and electronics so a power surge doesn't damage them when service comes back, and keep refrigerator and freezer doors closed. More: https://www.ready.gov/power-outages
Hurricane Isaias, advisory by advisory, with a county-by-county outage table: https://noticenearby.com/papers/tropical-storm-isaias-advisory-3-oct-7-2026
Source: Florida Division of Emergency Management (FDEM) county power outage report, https://www.floridadisaster.org/. Customers out and customers served are the source's numbers; Notice Nearby computed the percentage and wrote this brief in its own words. Jefferson County notices: https://noticenearby.com/fl/jefferson
Source: the public notice on this register NN-ENV-fl-jefferson-power-outages-isaias-2026-10 · Florida Division of Emergency Management (FDEM) county power outage report.
This is a Notice Nearby local brief — an in-house explainer written from a government-posted notice on this register. It is not official minutes, not a newspaper story, and not Legal Publication.