What is the average electricity rate in Grand Isle, Maine?

The average residential electricity rate in Grand Isle is approximately 29.49¢/kWh per kWh. The average household pays around $148 per month for electricity.

What is the average natural gas bill in Grand Isle?

Natural gas customers in Grand Isle pay an average of $112 per month. The rate is approximately $1.78/therm per therm.

Which electric company serves Grand Isle, Maine?

Electricity in Grand Isle is distributed by Central Maine Power (CMP / Versant) and Versant Power (formerly Emera Maine). Contact your provider at your local service address to confirm which utility serves your home.

Which gas company serves Grand Isle?

Grand Isle natural gas service is provided by Unitil (Northern Utilities) and Spire Energy Maine. Call them directly for new service connections or to report a gas leak.

How do Grand Isle electricity rates compare to Maine averages?

Grand Isle's electricity rate of 29.49¢/kWh is above the Maine state average of 28.63¢/kWh. Urban areas often have higher distribution costs.

How do I start or stop utility service in Grand Isle?

To start electric service in Grand Isle, contact Central Maine Power (CMP / Versant) and Versant Power (formerly Emera Maine). For gas service, contact Unitil (Northern Utilities) and Spire Energy Maine. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.

Grand Isle, Maine Gas & Electricity Rates — Utility Providers & Savings 2026

Gas & Electricity in Grand Isle, Maine

Grand Isle residents in Maine receive electric service through Central Maine Power (CMP / Versant) and natural gas distribution from Unitil (Northern Utilities). Maine's energy assistance programs, including LIHEAP and weatherization, are available to income-qualified Grand Isle households.

Compared to the Maine state average of 28.63¢/kWh/kWh, Grand Isle's electricity rate of 29.49¢/kWh is 0.86¢ above the Maine average. As Maine is a deregulated market, Grand Isle residents can shop for competitive electricity suppliers to potentially reduce their supply rate.

Electric Utility in Grand Isle

Central Maine Power (CMP / Versant)
Versant Power (formerly Emera Maine)
Maine Public Service

Natural Gas Utility in Grand Isle

Unitil (Northern Utilities)
Spire Energy Maine

Grand Isle vs Maine Energy Rates

Metric	Grand Isle	Maine Average	US Average
Electric Rate (¢/kWh)	29.49¢	28.63¢	16.00¢
Gas Rate ($/therm)	$1.78	$1.82	$1.47
Monthly Electric Bill	$148	$144	$117
Monthly Gas Bill	$112	$114	$73

Energy Assistance Programs for Grand Isle Residents

As a Maine city, Grand Isle residents can access the following state and local assistance programs:

✅ Maine Home Energy Assistance Program (HEAP)
✅ Maine Weatherization Assistance
✅ Efficiency Maine
✅ Maine State Housing Authority Programs

Energy-Saving Tips for Grand Isle Residents

✓ Insulate your attic to at least R-49 to reduce winter heat loss by up to 15%.
✓ Install a programmable thermostat and set it to 68°F while home, 60°F while sleeping or away.
✓ Seal air leaks around windows and doors before the heating season to cut drafts.
✓ Schedule an annual furnace tune-up every fall to maintain peak efficiency.
✓ Use heavy drapes on north-facing windows during winter to reduce cold air infiltration.

FAQ — Gas & Electricity in Grand Isle, Maine

The average residential electricity rate in Grand Isle is approximately 29.49¢/kWh per kWh. The average household pays around $148 per month for electricity.
Natural gas customers in Grand Isle pay an average of $112 per month. The rate is approximately $1.78/therm per therm.
Electricity in Grand Isle is distributed by Central Maine Power (CMP / Versant) and Versant Power (formerly Emera Maine). Contact your provider at your local service address to confirm which utility serves your home.
Grand Isle natural gas service is provided by Unitil (Northern Utilities) and Spire Energy Maine. Call them directly for new service connections or to report a gas leak.
Grand Isle's electricity rate of 29.49¢/kWh is above the Maine state average of 28.63¢/kWh. Urban areas often have higher distribution costs.
To start electric service in Grand Isle, contact Central Maine Power (CMP / Versant) and Versant Power (formerly Emera Maine). For gas service, contact Unitil (Northern Utilities) and Spire Energy Maine. You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.