Portland Electricity Rates
There are 27 electricity plans available in Portland right now, starting at 10.99¢/kWh. The average rate across all 10 providers is 15.63¢/kWh at 1,000 kWh — switching to the cheapest plan saves 30% ($46/month) versus the average rate.
Cheapest Electricity Plans in Portland
Sorted by price at 1,000 kWh. Plans with bill credits can cost more at other usage levels — check the EFL for the full breakdown.
| Provider | Plan | Rate | Action |
|---|---|---|---|
 |
CleanSky Energy
CleanSky Energy 6 Months - 10.99¢
6 months
Cheapest
|
10.99¢
per kWh at 1,000 kWh
|
Continue |
 |
C.N. Brown Electricity
C.N. Brown Electricity 5 Months - 11.40¢
5 months
Low Rate
|
11.40¢
per kWh at 1,000 kWh
|
Continue |
 |
North American Power
North American Power 16 Months - 14.09¢
16 months
Low Rate
|
14.09¢
per kWh at 1,000 kWh
|
Continue |
 |
Ambit Energy
Ambit Energy Maine State Select 12 - 14.50¢
12 months
Fixed Rate
|
14.50¢
per kWh at 1,000 kWh
|
Continue |
 |
Major Energy
Major Energy 15 Months - 14.79¢
15 months
Fixed Rate
|
14.79¢
per kWh at 1,000 kWh
|
Continue |
 |
XOOM Energy
XOOM Energy 12 Months - 14.99¢
12 months
Fixed Rate
|
14.99¢
per kWh at 1,000 kWh
|
Continue |
 |
Clearview Electric Inc
Clearview Energy 6 Months - 15.69¢
6 months
Fixed Rate
|
15.69¢
per kWh at 1,000 kWh
|
Continue |
 |
Think Energy LLC
Think Energy 12 Months - 16.40¢
12 months
Fixed Rate
|
16.40¢
per kWh at 1,000 kWh
|
Continue |
 |
SmartEnergy
SmartEnergy 12 Months - 16.80¢
12 months
Fixed Rate
|
16.80¢
per kWh at 1,000 kWh
|
Continue |
 |
Electricity Maine
Electricity Maine 12 Months - 17.49¢
12 months
Fixed Rate
|
17.49¢
per kWh at 1,000 kWh
|
Continue |
Showing the 10 cheapest Portland electricity plans based on 1,000 kWh usage.
Best Portland Electricity Plans by Usage Level
Portland homes average 550–700 kWh/month. Maine’s coastal climate means cold winters and cool summers, with many homes relying on oil or heat pumps for heating. Homes with electric baseboard or heat pump heating will see higher winter consumption.
- CleanSky Energy
- 10.99¢/kWh at this usage
- 6-month fixed rate
Coastal Maine Climate & Energy Costs
Portland’s coastal climate brings cold, snowy winters and cool summers moderated by the Atlantic. While many homes use oil or heat pumps, those with electric heating can see usage rise from 400 kWh in summer to 900–1,100 kWh in January. Maine electricity rates tend to be higher than the national average, making it especially important to compare CEP rates on your CMP bill.
Portland Electricity Suppliers
We compare rates from 10 certified Competitive Electricity Providers active in Central Maine Power’s Portland territory. Every supplier below offers plans to Portland residents today.
Portland Business Electricity Rates
Portland is Maine’s largest city and economic hub, with a thriving foodie and arts scene centered on the Old Port district, healthcare anchored by Maine Medical Center, and a growing creative economy. Commercial customers access deregulated CEP rates through the Central Maine Power territory.
Business electricity pricing factors in peak demand, load factor, and total volume. A quick quote is the only way to see what rates are available for your specific business profile.
Portland Electricity FAQ
Common questions about electricity rates, plans, and suppliers in Portland and the Central Maine Power service area.
How does electricity deregulation work in Portland?
Portland is in a deregulated electricity market. your local utility is the utility that delivers power through the local grid, but you choose which CEP (Competitive Electricity Provider) provides your electricity supply. the Maine Public Utilities Commission (PUC) oversees the market to ensure fair competition.
What is the cheapest electricity rate in Portland right now?
The cheapest Portland electricity rate is 10.99¢/kWh at 1,000 kWh, offered by CleanSky Energy (CleanSky Energy 6 Months - 10.99¢). The average across all 27 available plans is 15.63¢/kWh. Rates are updated multiple times daily.
What is the average monthly electric bill in Portland?
At the current average rate of 15.63¢/kWh, a Portland home using 1,000 kWh/month pays approximately $156/month for electricity supply. Actual bills depend on usage, which varies seasonally.
Who delivers electricity in Portland?
your local utility is the electric delivery company for Portland. They own and maintain the poles, wires, and meters. Regardless of which supplier you choose, your local utility delivers your power.
How do I switch electricity providers in Portland?
Pick a CEP (Competitive Electricity Provider), enroll online or by phone, and they handle the your local utility transition. The switch takes 1–2 billing cycles with no service interruption — no one visits your home and your power stays on the entire time.
What happens when my contract expires?
When your contract ends, you may roll onto a variable rate from your current supplier or revert to your local utility’s default supply rate. It’s best to reshop before expiration to lock in a new competitive rate.
How do Portland business electricity rates work?
Commercial rates in Portland are custom-quoted based on your peak demand, load profile, and contract length. Unlike residential plans, business pricing includes demand charges. Compare certified suppliers for the best commercial rate.
Who handles power outages in Portland?
your local utility. Your electricity supplier has no role in outage response — that’s always handled by the delivery company.