Nantucket Electric price to compare and competitive offers

How Nantucket Electric’s supply rate compares with the offers on the Energy Switch Massachusetts rate board, what has been moving, what is driving it, and what is scheduled to change.

Price to compare
17.18¢/ kWh
Nantucket Electric default service, since August 1, 2026
Lowest offer
16.85¢/ kWh
Nantucket Power Choice, 24-month fixed
Current offers
7
from 5 suppliers on the Energy Switch Massachusetts rate board
Checked
Oct 52026
7:21 AM Eastern, daily snapshot
Right now

Every current offer against the price to compare

Each dot is one offer on the Energy Switch Massachusetts rate board, placed by contract length and price. Offers below the dashed line cost less than default service today.

Current offers by contract length, against Nantucket Electric’s price to compare

7 offers from 5 suppliers · Energy Switch Massachusetts · October 5, 2026

16¢17¢18¢19¢20¢21¢8 mo122426Contract length, monthsNantucket Electric price to compare17.18¢16.85¢ Nantucket Power Choice, 24 moCurrent offerLowest offerNantucket Electric price to compare
GRID SHOPPER1 offer above 21¢ omitted for scale
How it got here

The lowest offer, the typical 12-month offer, and the supply rate over time

Daily snapshots of the Energy Switch Massachusetts rate board. The supply rate moves a few times a year; offers move whenever suppliers reprice.

Lowest offer, average 12-month offer, and Nantucket Electric price to compare, April to October 2026

Daily rateboard snapshots · price to compare from default service filings

11¢12¢13¢14¢15¢16¢17¢18¢19¢20¢21¢MayJunJulAugSepOctAug 1 resetAvg 12-mo offer19.80¢Nantucket Electric price to compare17.18¢Lowest offer13.97¢
GRID SHOPPERLowest offer is the cheapest of any term on that day
View the data
DateLowest offerAvg 12-mo offer
2026-04-0512.72¢17.59¢
2026-04-0612.72¢17.59¢
2026-04-0712.72¢17.70¢
2026-04-0812.56¢17.70¢
2026-04-0912.56¢17.70¢
2026-04-1012.56¢17.70¢
2026-04-1112.56¢17.70¢
2026-04-1212.56¢17.70¢
2026-04-1312.56¢17.70¢
2026-04-1412.56¢17.70¢
2026-04-1512.56¢17.70¢
2026-04-1612.56¢17.70¢
2026-04-1712.56¢17.70¢
2026-04-1812.56¢17.70¢
2026-04-1912.56¢17.70¢
2026-04-2012.56¢17.70¢
2026-04-2112.56¢17.70¢
2026-04-2212.56¢17.70¢
2026-04-2312.56¢17.70¢
2026-04-2412.56¢17.70¢
2026-04-2512.56¢17.70¢
2026-04-2612.56¢17.70¢
2026-04-2712.56¢17.70¢
2026-04-2812.56¢17.70¢
2026-04-2912.56¢17.70¢
2026-04-3012.56¢17.70¢
2026-05-0112.56¢17.70¢
2026-05-0212.56¢17.70¢
2026-05-0312.56¢17.70¢
2026-05-0412.56¢17.70¢
2026-05-0512.56¢17.70¢
2026-05-0613.28¢17.70¢
2026-05-0713.28¢17.70¢
2026-05-0813.28¢17.70¢
2026-05-0913.28¢17.70¢
2026-05-1013.28¢17.70¢
2026-05-1113.28¢17.70¢
2026-05-1213.28¢18.34¢
2026-05-1313.28¢18.34¢
2026-05-1413.28¢18.34¢
2026-05-1513.28¢18.34¢
2026-05-1613.28¢18.34¢
2026-05-1713.28¢18.34¢
2026-05-1813.28¢18.34¢
2026-05-1913.28¢17.75¢
2026-05-2013.28¢17.75¢
2026-05-2113.28¢17.75¢
2026-05-2213.28¢17.75¢
2026-05-2313.28¢17.75¢
2026-05-2413.28¢17.75¢
2026-05-2513.28¢17.75¢
2026-05-2613.28¢17.75¢
2026-05-2713.28¢18.34¢
2026-05-2813.28¢18.34¢
2026-05-2913.28¢18.34¢
2026-05-3013.28¢18.34¢
2026-05-3113.28¢18.34¢
2026-06-0113.28¢18.34¢
2026-06-0213.28¢18.34¢
2026-06-0313.28¢18.34¢
2026-06-0413.28¢18.34¢
2026-06-0513.28¢18.34¢
2026-06-0613.28¢18.34¢
2026-06-0713.28¢18.34¢
2026-06-0813.28¢18.34¢
2026-06-0913.28¢18.34¢
2026-06-1013.97¢18.34¢
2026-06-1113.97¢18.34¢
2026-06-1213.97¢18.34¢
2026-06-1313.97¢18.34¢
2026-06-1413.97¢18.34¢
2026-06-1513.97¢18.34¢
2026-06-1613.97¢18.34¢
2026-06-1713.97¢18.34¢
2026-06-1813.97¢18.34¢
2026-06-1913.97¢18.34¢
2026-06-2013.97¢18.34¢
2026-06-2113.97¢18.34¢
2026-06-2213.97¢18.34¢
2026-06-2313.97¢18.34¢
2026-06-2413.97¢18.34¢
2026-06-2513.97¢18.34¢
2026-06-2613.97¢18.34¢
2026-06-2713.97¢18.34¢
2026-06-2813.97¢18.34¢
2026-06-2913.97¢18.34¢
2026-06-3013.97¢18.34¢
2026-07-0113.97¢18.34¢
2026-07-0213.97¢18.34¢
2026-07-0313.97¢18.34¢
2026-07-0413.97¢18.34¢
2026-07-0513.97¢18.34¢
2026-07-0613.97¢18.34¢
2026-07-0713.97¢18.34¢
2026-07-0813.97¢18.34¢
2026-07-0913.97¢18.34¢
2026-07-1013.97¢18.34¢
2026-07-1113.97¢18.34¢
2026-07-1213.97¢18.34¢
2026-07-1313.97¢18.34¢
2026-07-1413.97¢18.34¢
2026-07-1513.97¢18.34¢
2026-07-1613.97¢18.34¢
2026-07-1713.97¢18.34¢
2026-07-1813.97¢18.34¢
2026-07-1913.97¢18.34¢
2026-07-2013.97¢18.34¢
2026-07-2113.97¢18.34¢
2026-07-2213.97¢18.34¢
2026-07-2313.97¢18.34¢
2026-07-2413.97¢18.34¢
2026-07-2513.97¢18.34¢
2026-07-2613.97¢18.34¢
2026-07-2713.97¢18.34¢
2026-07-2813.97¢18.34¢
2026-07-2913.97¢18.34¢
2026-07-3013.97¢18.34¢
2026-07-3113.97¢18.34¢
2026-08-0113.97¢18.34¢
2026-08-0213.97¢18.34¢
2026-08-0313.97¢18.34¢
2026-08-0413.97¢18.80¢
2026-08-0513.97¢18.80¢
2026-08-0613.97¢18.80¢
2026-08-0713.97¢18.80¢
2026-08-0813.97¢18.80¢
2026-08-0913.97¢18.80¢
2026-08-1013.97¢18.80¢
2026-08-1113.97¢18.80¢
2026-08-1213.97¢18.80¢
2026-08-1313.97¢18.80¢
2026-08-1413.97¢18.80¢
2026-08-1513.97¢18.80¢
2026-08-1613.97¢18.80¢
2026-08-1713.97¢18.80¢
2026-08-1813.97¢18.80¢
2026-08-1913.97¢18.80¢
2026-08-2013.97¢18.80¢
2026-08-2113.97¢18.80¢
2026-08-2213.97¢18.80¢
2026-08-2313.97¢18.80¢
2026-08-2413.97¢18.80¢
2026-08-2513.97¢18.80¢
2026-08-2613.97¢18.80¢
2026-08-2713.97¢18.80¢
2026-08-2813.97¢18.80¢
2026-08-2913.97¢18.80¢
2026-08-3013.97¢18.80¢
2026-08-3113.97¢18.80¢
2026-09-0113.97¢18.80¢
2026-09-0213.97¢18.89¢
2026-09-0313.97¢18.89¢
2026-09-0413.97¢18.89¢
2026-09-0513.97¢18.89¢
2026-09-0613.97¢18.89¢
2026-09-0713.97¢18.89¢
2026-09-0813.97¢18.89¢
2026-09-0913.97¢18.89¢
2026-09-1013.97¢18.89¢
2026-09-1113.97¢18.89¢
2026-09-1213.97¢18.89¢
2026-09-1313.97¢18.89¢
2026-09-1413.97¢18.89¢
2026-09-1513.97¢19.05¢
2026-09-1613.97¢19.05¢
2026-09-1713.97¢19.05¢
2026-09-1813.97¢19.05¢
2026-09-1913.97¢19.05¢
2026-09-2013.97¢19.05¢
2026-09-2113.97¢19.05¢
2026-09-2213.97¢18.89¢
2026-09-2313.97¢18.89¢
2026-09-2413.97¢18.89¢
2026-09-2513.97¢18.89¢
2026-09-2613.97¢18.89¢
2026-09-2713.97¢18.89¢
2026-09-2813.97¢18.89¢
2026-09-2913.97¢18.89¢
2026-09-3013.97¢18.89¢
2026-10-0113.97¢18.89¢
2026-10-0213.97¢19.80¢
2026-10-0313.97¢19.80¢
2026-10-0413.97¢19.80¢
2026-10-0513.97¢19.80¢

One supplier's offers by contract length

August to October 2026

Pick a supplier from the menu to see how each of its contract lengths has been priced, day by day, against the supply rate.
GRID SHOPPER
What is driving it

How Nantucket Electric buys default service supply, and at what price

Nantucket Electric buys the power behind the price to compare in auctions held ahead of each service period; the latest reaches up to 14 months ahead. The price to compare is the average of what those auctions locked in.

Share of each month’s supply already bought, by auction, and the average price locked in

June 2024 to January 2027 · Nantucket Electric default service procurement results, residential

$60$70$80$90$100$110$120$1300%25%50%75%100%$122.80/MWhtodayJun 2024Jan 2025Jan 2026Jan 2027Avg price bought, $/MWh (left)Share of each month's supply bought, by auction (right axis)Sep 2023Dec 2023Jun 2024Dec 2024Jun 2025Dec 2025
GRID SHOPPERAuctions stack oldest at the bottom · striped area is supply not yet bought
View the data
Service monthBoughtAvg price ($/MWh)
June 2024100%91.07
July 2024100%91.07
August 2024100%119.00
September 2024100%119.00
October 2024100%119.00
November 2024100%119.00
December 2024100%119.00
January 2025100%119.00
February 2025100%105.25
March 2025100%105.25
April 2025100%105.25
May 2025100%105.25
June 2025100%105.25
July 2025100%105.25
August 2025100%113.58
September 2025100%113.58
October 2025100%113.58
November 2025100%113.58
December 2025100%113.58
January 2026100%113.58
February 2026100%111.84
March 2026100%111.84
April 2026100%111.84
May 2026100%111.84
June 2026100%111.84
July 2026100%111.84
August 202650%122.80
September 202650%122.80
October 202650%122.80
November 202650%122.80
December 202650%122.80
January 202750%122.80
What is scheduled

The dates that change these numbers

How far ahead Nantucket Electric’s supply has been bought. Forecasts and opinions live on the blog.

Supply bought through
January 2027
The December 2025 auction covers service through January 2027
Sources
Offers from the Energy Switch Massachusetts rate board, snapshotted daily. Price to compare and auction results from Nantucket Electric default service filings. Checked October 5, 2026.