Electricity rates in East Dennis, MA
East Dennis (2,753 people, Barnstable County) is served by NSTAR Electric Company. Homes on NSTAR Electric Company pay about 19.62¢/kWh, 36% less than the Massachusetts average.
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Electric companies serving East Dennis
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| NSTAR Electric Company | Investor-owned utility | 19.62¢ | $93 | 307K | 113 |
Power outages in Barnstable County right now
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Outage history in Barnstable County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 331 | 252 |
| Days with outages | 73 | 72 |
| Most customers out at once | 26,740 (22.6%) | 24,294 (20.5%) |
| Worst day | 2024-05-29 | 2025-05-31 |
Outage minutes by month, 2025
Less outage time than 2024 (331 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- South Dennis 19.6¢
- Brewster 19.6¢
- Yarmouth 19.6¢
- Northwest Harwich 19.6¢
- Yarmouth Port 19.6¢
- South Yarmouth 19.6¢
- West Dennis 19.6¢
- Harwich Center 19.6¢
- Harwich 19.6¢
- Dennis Port 19.6¢
ZIP codes: 02641
Frequently asked questions
What is the electricity rate in East Dennis?
Most homes in East Dennis get power from NSTAR Electric Company, where residential customers pay an average of 19.62¢/kWh including all charges. The Massachusetts average is 30.43¢ and the U.S. average 17.99¢.
What is the average electric bill in East Dennis?
About $93 a month, based on 474 kWh a month (the average for NSTAR Electric Company customers) at 19.62¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in East Dennis, MA?
NSTAR Electric Company serves East Dennis.
How often does the power go out in East Dennis?
In 2025, customers in Barnstable County averaged 4 hr 12 min without power. Outages hit 72 days of the year, and the worst day was 2025-05-31, when 24,294 customers (20.5%) were out. Source: ORNL EAGLE-I.