Power Outages in Barnstable County, MA
As of October 15, 2026 00:30 UTC, about 1 customers are without power in Barnstable County, MA across 1 reported incident. Massachusetts Electric Co and NSTAR Electric Company publish only a system-wide total, not county figures. In 2025, the average customer here lost power for about 4.2 hours.
Barnstable County, MA is served by 2 tracked utilities.
Cite this data
- URL
- https://massoutage.com/massachusetts/barnstable-county
- As of
- October 15, 2026 00:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Barnstable County, MA", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/massachusetts/barnstable-county
0.0%of this county's ~382,504 customers are served by utilities with a county-level live feed.
System-wide total only, no county split: Massachusetts Electric Co, NSTAR Electric Company.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Massachusetts Electric Co | Live · total only | not by county | - | - | - | - | - | - |
| NSTAR Electric Company | Live · total only | not by county | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Barnstable Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (46)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 02536 | 154 | ≤11 | 98 | ≤11 |
| 02649 | 133 | ≤11 | 96 | 0 |
| 02601 | 107 | ≤11 | 76 | 0 |
| 02532 | 105 | ≤11 | 75 | 0 |
| 02540 | 85 | ≤11 | 56 | ≤11 |
| 02664 | 83 | ≤11 | 65 | ≤11 |
| 02632 | 77 | ≤11 | 57 | ≤11 |
| 02645 | 69 | ≤11 | 45 | 0 |
| 02660 | 68 | ≤11 | 47 | 0 |
| 02563 | 68 | ≤11 | 42 | ≤11 |
| 02631 | 65 | ≤11 | 46 | ≤11 |
| 02673 | 63 | ≤11 | 46 | ≤11 |
| 02675 | 54 | ≤11 | 39 | ≤11 |
| 02648 | 54 | ≤11 | 34 | 0 |
| 02653 | 47 | ≤11 | 30 | ≤11 |
| 02633 | 43 | ≤11 | 29 | 0 |
| 02642 | 42 | ≤11 | 27 | ≤11 |
| 02537 | 39 | ≤11 | 23 | ≤11 |
| 02559 | 34 | 0 | 19 | 0 |
| 02657 | 29 | ≤11 | 23 | 0 |
| 02639 | 28 | 0 | 23 | 0 |
| 02638 | 25 | ≤11 | 16 | ≤11 |
| 02635 | 24 | ≤11 | 16 | 0 |
| 02655 | 22 | 0 | ≤11 | 0 |
| 02556 | 22 | ≤11 | 15 | 0 |
| 02644 | 19 | ≤11 | 17 | 0 |
| 02667 | 17 | ≤11 | 12 | 0 |
| 02646 | 16 | 0 | ≤11 | 0 |
| 02670 | 15 | ≤11 | 12 | 0 |
| 02668 | 15 | ≤11 | ≤11 | 0 |
| 02630 | 13 | 0 | ≤11 | 0 |
| 02672 | ≤11 | 0 | ≤11 | 0 |
| 02671 | ≤11 | 0 | ≤11 | 0 |
| 02666 | ≤11 | 0 | ≤11 | 0 |
| 02663 | ≤11 | 0 | 0 | 0 |
| 02661 | ≤11 | 0 | ≤11 | 0 |
| 02659 | ≤11 | ≤11 | ≤11 | 0 |
| 02652 | ≤11 | 0 | ≤11 | 0 |
| 02650 | ≤11 | ≤11 | ≤11 | 0 |
| 02647 | ≤11 | 0 | ≤11 | 0 |
| 02641 | ≤11 | 0 | ≤11 | 0 |
| 02562 | ≤11 | ≤11 | ≤11 | ≤11 |
| 02561 | ≤11 | 0 | ≤11 | 0 |
| 02553 | ≤11 | ≤11 | ≤11 | 0 |
| 02543 | ≤11 | ≤11 | ≤11 | 0 |
| 02534 | ≤11 | ≤11 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Barnstable County or any town and utility in it.
No active NWS alerts for Barnstable County right now.
Barnstable County has been under 29 National Weather Service alerts recently, most recently a Coastal Flood Advisory on September 28, 2026.
- High Surf Advisory ×7
- High Wind Warning ×5
- Coastal Flood Warning ×4
- Flood Watch ×4
- Coastal Flood Advisory ×3
- Rip Current Statement ×3
Latest Barnstable County, MA outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 34m
- OUTAGE BEGAN
Outage began: 1,212 customers out (0.3% of the county)
- RESOLVED
Power restored after 1h 54m
- OUTAGE BEGAN
Outage began: 1,204 customers out (1.0% of the county)
- RESOLVED
Power restored after 1h 14m
- OUTAGE BEGAN
Outage began: 705 customers out (0.6% of the county)
- RESOLVED
Power restored after 15m
- OUTAGE BEGAN
Outage began: 8,292 customers out (7.0% of the county)
Hardest-hit cities in Barnstable County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Barnstable Countyisn't available yet.
Historical reliability
In 2025, the average customer in Barnstable County went about 4.2 hours without power. Peak simultaneous outage on record reached 118,437 customers.
The US EIA reports Massachusetts utilities averaged 2.0 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 4.2 hrs.
Worst year here was 2018 (peak 118,437 customers out) · decade average 16.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 491 | 26,547 | 4.6 |
| 2016 | 808 | 19,240 | 3.7 |
| 2017 | 1,003 | 50,097 | 9.9 |
| 2018 | 950 | 118,437 | 68.1 |
| 2019 | 594 | 41,360 | 10.7 |
| 2020 | 1,090 | 18,757 | 4.6 |
| 2021 | 1,028 | 118,437 | 47.5 |
| 2022 | 964 | 85,305 | 21.7 |
| 2023 | 890 | 13,901 | 4.8 |
| 2024 | 994 | 26,740 | 5.5 |
| 2025 | 939 | 24,294 | 4.2 |
Cost of power in Barnstable County
ENERGY & AI DEMAND →Estimated residential electricity price for Barnstable County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Massachusetts Electric Co33.7¢438,150 cust
- NSTAR Electric Company21.5¢306,795 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively High hurricanes exposure · 16.8 hrs/yr of outages over the last decade.
Power outages in Barnstable County: FAQ
- How often does Barnstable County, MA lose power?
- Based on EAGLE-I records, Barnstable County, MA logged 939 distinct outage events in 2025, averaging about 4.2 hours without power per customer over the year.
- What was the worst power outage in Barnstable County, MA?
- The largest tracked outage peaked at 118,437 customers without power, beginning October 26, 2021 and lasting about 2d 2h.
- Is there a power outage in Barnstable County, MA right now?
- Yes, about 1 customers are currently without power across 1 reported incident(s).
- Which utilities serve Barnstable County, MA?
- Tracked electric providers include NSTAR Electric Company.
Barnstable Town. Outage counts for these communities are reported at the Barnstable County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Barnstable County (showing 40 of 47).
02532, 02534, 02536, 02537, 02540, 02542, 02553, 02556, 02559, 02561, 02562, 02563, 02601, 02630, 02631, 02632, 02633, 02635, 02637, 02638, 02639, 02641, 02642, 02643, 02644, 02645, 02646, 02647, 02648, 02649, 02650, 02652, 02653, 02655, 02657, 02659, 02660, 02663, 02664, 02666
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Massachusetts Electric Co | 2.2 hrs | Live · total only | - |
| NSTAR Electric Company | 1.9 hrs | Live · total only | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Massachusetts customers). Machine-readable data: /api/v1/counties/25001 and /api/v1/counties/25001/history. Live data as of .