Typical customer: Worth it

Nantucket Electric and solar

Nantucket Electric is an investor-owned utility serving about 12,966 homes in Massachusetts. Here's what its rates and export rules mean for solar: for a typical customer, solar is worth it.

Average price (2026 est.)
36.0¢18% above Massachusetts average
Typical bill
$308855 kWh a month
Exports credited
RetailFull retail net metering
Typical payback
6.6 yrs8.7 kW, cash

Export rules for Nantucket Electric customers

Full retail net metering (Massachusetts rule).

Massachusetts investor-owned utilities credit residential solar exports at close to the full retail rate (net metering credits), and credits roll over indefinitely. On top of that, the SMART 3.0 program pays a fixed per-kWh incentive for 20 years.

Massachusetts net metering details

Solar for a typical Nantucket Electric home

System8.7 kW (110% of 855 kWh/month)
Cost$28,295, $27,295 after incentives
First-year savings$3,587
Payback6.6 years
25-year net$115,649

Uses the utility's average price.

Solar adoption

Homes with solar (2025)
312
Share of customers
2.4%
Residential solar capacity
3 MW
Residential customers
12,966

EIA-861, 2025. In competitive markets, some solar is reported by retail electricity providers instead.

Questions about Nantucket Electric and solar

Does Nantucket Electric have net metering?

Nantucket Electric follows Massachusetts's rules: Massachusetts investor-owned utilities credit residential solar exports at close to the full retail rate (net metering credits), and credits roll over indefinitely. On top of that, the SMART 3.0 program pays a fixed per-kWh incentive for 20 years.

How much does electricity cost with Nantucket Electric?

Residential customers paid an average of 36.0¢ per kWh in 2025 (EIA), about 36.0¢ adjusted to 2026. The typical home uses 855 kWh a month, a bill of about $308.

Is solar worth it with Nantucket Electric?

For a typical customer, solar is worth it: a 8.7 kW system costing about $27,295 pays back in about 6.6 years, with $115,649 net over 25 years.

How many Nantucket Electric customers have solar?

About 312 homes had net-metered solar at the end of 2025, roughly 2.4% of residential customers (EIA-861).

Legal name: Nantucket Electric Co (EIA ID 13206). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.