Town of Wellesley electricity rates
Municipal utility · Massachusetts · NPCC region · ISONE
Town of Wellesley is a city-owned municipal utility, governed locally rather than by the state commission, serving 9,338 homes in Massachusetts. Its residential customers pay an average of 16.20¢/kWh including fixed and delivery charges, 10% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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Town of Wellesley bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $81.00 |
| 1,000 kWh | $162.00 |
| 1,500 kWh | $243.00 |
| 2,000 kWh | $324.00 |
Town of Wellesley residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Rate Schedule RS-1time-of-use | 2009-06-01 | $3.90 | 8.3¢ (12am–12am) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Town of Wellesley rate history
2015–2025: +13% change in the average residential rate (14.19¢ → 16.04¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Town of Wellesley | Massachusetts avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 41 | 121 | 266 |
| Outages per customer (SAIFI) | 0.24 | 0.92 | 1.34 |
| Average restoration time (CAIDI) | 2 hr 49 min | — | — |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Town of Wellesley's counties, customers averaged 3 hr 8 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Norfolk | 188 | 46 | 29,004 | 2025-12-19 |
Town of Wellesley service area
Town of Wellesley serves Norfolk County in Massachusetts and 11 ZIP codes.
Norfolk
Cities: Natick, Needham, Wellesley, Weston, Newton Upper Falls, Cochituate, Dover, Newton Lower Falls
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 164 |
Town of Wellesley at a glance
| Ownership | Municipal utility |
| Services | Distribution |
| Commercial rate | 14.64¢/kWh |
| Industrial rate | 15.56¢/kWh |
| Retail revenue (2025) | $38,278,000 |
| Electricity sold (2025) | 247,773 MWh |
| Peak demand | 57 MW summer · 39 MW winter |
| Balancing authority | ISNE |
| EIA utility ID | 20310 |
Other utilities in Massachusetts
Frequently asked questions
What is Town of Wellesley's electricity rate?
Town of Wellesley residential customers pay an average of 16.20¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 47% below the Massachusetts average of 30.43¢ and 10% below the U.S. average.
What is the average Town of Wellesley electric bill?
About $164 a month. The average Town of Wellesley home uses 1,013 kWh a month. At 1,000 kWh the bill would be about $162.
How many customers does Town of Wellesley have?
Town of Wellesley serves 9,338 residential customers and 10,569 customers in total in Massachusetts, across 1 county.
How reliable is Town of Wellesley?
In 2025, the average Town of Wellesley customer was without power for 41 min (SAIDI) over 0.24 interruptions (SAIFI), including major storms. The Massachusetts average was 2 hr 1 min and the U.S. average 4 hr 26 min.
Does Town of Wellesley offer time-of-use rates?
Yes. The OpenEI rate database lists 1 time-of-use residential plan, including Rate Schedule RS-1. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Town of Wellesley offer net metering for solar?
Town of Wellesley had 164 residential net-metered customers in 2025 with 1.2 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Town of Wellesley before making decisions.