Power Outages in Mercer County, NJ
As of the latest utility report, no major power outages are reported in Mercer County, NJ. In 2025, the average customer here lost power for about 2.5 hours.
Mercer County, NJ is served by 1 tracked utility.
No active power outages are currently reported in Mercer County.
- Tornado WatchEXTREME
- Flash Flood WarningSEVERE
- Flash Flood WarningSEVERE
- Flood WatchSEVERE
Mercer County has been under 17 National Weather Service alerts recently — most recently a Flash Flood Warning on July 18, 2026.
- Air Quality Alert ×5
- Flood Watch ×4
- Flash Flood Warning ×2
- Extreme Heat Watch ×2
- Heat Advisory ×2
- Tornado Watch ×1
Hardest-hit cities in Mercer County
Where this event is concentrated across the county's towns and townships.
- Trentonno active outage
Historical reliability
In 2025, the average customer in Mercer County went about 2.5 hours without power. Peak simultaneous outage on record reached 51,105 customers.
Worst year here was 2020 (peak 51,105 customers out) · decade average 3.1 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 898 | 4,644 | 0.8 |
| 2016 | 930 | 21,839 | 1.9 |
| 2017 | 903 | 15,006 | 1.4 |
| 2018 | 906 | 24,128 | 5.2 |
| 2019 | 888 | 19,967 | 4.1 |
| 2020 | 766 | 51,105 | 11.2 |
| 2021 | 858 | 24,909 | 2.0 |
| 2022 | 873 | 11,153 | 1.3 |
| 2023 | 866 | 9,349 | 1.2 |
| 2024 | 619 | 11,334 | 2.5 |
| 2025 | 725 | 12,264 | 2.5 |
Very High ice storms exposure · 3.1 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Mercer County: FAQ
- How often does Mercer County, NJ lose power?
- Based on EAGLE-I records, Mercer County, NJ logged 725 distinct outage events in 2025, averaging about 2.5 hours without power per customer over the year.
- What was the worst power outage in Mercer County, NJ?
- The largest tracked outage peaked at 51,105 customers without power, beginning August 4, 2020 and lasting about 7d 13h.
- Is there a power outage in Mercer County, NJ right now?
- No major outage is currently reported for Mercer County, NJ. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Mercer County, NJ?
- Tracked electric providers include JERSEY CENTRAL POWER & LT CO.
Trenton. Outage counts for these communities are reported at the Mercer County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Mercer County.
08520, 08525, 08534, 08540, 08542, 08544, 08550, 08560, 08561, 08608, 08609, 08610, 08611, 08618, 08619, 08620, 08628, 08629, 08638, 08648, 08690, 08691
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| JERSEY CENTRAL POWER & LT CO | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/34021 and /api/v1/counties/34021/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of New Jersey customers).