Power outages in Hempstead, NY

Live outages the utility reports for Hempstead addresses, updated every 10 minutes. Hempstead has 59,819 residents.

Right now

Normal: scattered outages

Normal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.

61customers without power

A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.

0.02% of 263,705 customersUpdated 7 min ago

We check every utility's outage data every 10 minutes. Each utility updates its own map on its own schedule, usually every 5 to 15 minutes.

PSEG Long Island's count for Hempstead addresses

Utilities group outages by the city in each customer's mailing address. A city's count can include nearby areas outside its city limits, and only covers that utility's customers.

PSEG Long Island61 / 263,705

Outage map

HempsteadNassau CountyPSEG Long Island publishes totals only, not outage locations.

Some utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.

Outage history in Nassau County, which includes Hempstead

2014–2025 record

Nassau County averaged 4.3 significant outages a year in 2023–2025, fewer than most New York counties.

In the 12 months to December 2025, there were 4. Half were over within 45 minutes; the longest lasted 3.5 hours, starting December 19, 2025.

The largest on record began August 4, 2020, with 141,608 customers out at once.

Outages are most common in July.

4.3significant outages a year (2023–2025)

At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.

45 minutestypical (median) length

Half of significant outages here ended sooner than this, and half lasted longer.

8.4 dayslongest on record (August 2020)

141,608most customers out at once

Largest events (start)	Peak out	Lasted i How long this area stayed at or above the significant-outage line, not how long any one home was without power.	Customer-hours i Customers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
August 4, 2020	141,608	8.4 days	13,206,485
March 2, 2018	45,945	1.9 days	664,406
February 25, 2016	32,589	15 hours	245,542
December 12, 2023	20,536	1.5 hours	26,753
March 7, 2018	18,528	25 hours	269,370

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.

If your power is out

Report it to your utility

PSEG Long Island: outage map and reporting
Stay at least 35 feet from downed power lines and report them right away.

Food safety

0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
24 hA half-full freezer holds about 24 hours if kept closed.
48 hA full freezer holds about 48 hours.

Generators, heat and cold

Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
Use a battery-powered carbon monoxide alarm.
Never heat your home with a gas stove or oven.