Cumberland County, Maine Electricity Rates & Statistics
Electricity Rates, Plans & Statistics
- The average electricity bill in Cumberland County, ME is $152.37
- The average electricity rate in Cumberland County, ME is 29.43¢
Electric Bills and Electric Rates in Cumberland County, ME
The average residential electric bill in Cumberland County, ME is $152.37 per month. Cumberland County, ME is the 10th most expensive county in Maine for electricity.
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Cumberland County, Maine Electricity Overview
Over the course of the last 12 months, Cumberland County has experienced a 6.36% decrease in the use of renewable fuel sources for electricity production.
Residents of Cumberland County use enough electricity to release 3,357.43 kilograms of CO2 gases per person, compared to the Maine average of 1,877.45.
Non-renewable fuels are used in the production of 98.83% of the megawatt hours produced in Cumberland County, ranking it 1st out of 16 counties in the state for total megawatt hours generated from non-renewable fuel types.
With 307,451 citizens living within the county and 3,111,362.37 megawatt hours produced a year, Cumberland County has a megawatt hour per capita production rate of 10.12 megawatt hours. The city is 741st largest megawatt hour per capita amount in the US.
Cumberland County consumes 80.01% of the electricity that their power plants generate, meaning they must export or store the leftover electricity.
As the 371st highest county in the country for non-renewable generation per capita, Cumberland County produces 10 megawatt hours per person each year.
ENERGY CONSUMPTION
Total Consumption
2,489,374 MWh
Consumption per Capita
8.1 MWh
ENERGY PRODUCTION
Total Production
3,111,362 MWh
Production from Renewable Energy
36,499 MWh
Production from Non-Renewable Energy
3,074,864 MWh
Production per Capita
10.12 MWh
EMISSIONS
CO2 Emissions
1,032,243,765 kg
CO2 Emissions per Capita
3,357.43 kg
Recent Electricity Rates and Production Changes in Portland
To see the most recent electricity rates and production changes for cities in Cumberland County, select the city below. If you would like to get access to monthly historical data, please contact us directly by submitting a request.
Rates and Production Categories
Portland Electricity Pricing Data
Average Residential Bundled Electricity Rate for November, 2024
27.31¢ per kWh
- 2.4% higher than last month
- 9.49% lower than November last year
- 3.82% higher than the Maine average
- 60.3% higher than the US average
- 115th in the state out of 157 cities
- The state rank has dropped by 9 since last month
- The state rank has increased by 39 since November last year
- 29,485th in the US out of 31,800 cities
- The national rank has dropped by 239 since last month
- The national rank has increased by 593 since November last year
12 Month Rolling Average Residential Bundled Rate
24¢ per kWh
- 0.98% lower than last month
- 13.46% lower than November last year
- 0.27% lower than the Maine average
- 45.52% higher than the US average
- 70th in the state out of 157 cities
- The state rank has increased by 37 since last month
- The state rank has increased by 47 since November last year
- 29,045th in the US out of 31,800 cities
- The national rank has increased by 41 since last month
- The national rank has increased by 527 since November last year
Average Residential Bundled Electricity Bill for November, 2024
$119.93 per month
- 2.82% higher than last month
- 22.61% lower than November last year
- 0.15% higher than the Maine average
- 1.43% higher than the US average
- 71st in the state out of 157 cities
- The state rank has increased by 33 since last month
- The state rank has increased by 52 since November last year
- 17,554th in the US out of 31,800 cities
- The national rank has dropped by 2,279 since last month
- The national rank has increased by 10,793 since November last year
12 Month Rolling Average Residential Bundled Bill
$132.89 per month
- 2.15% lower than last month
- 14.83% lower than November last year
- 4.78% lower than the Maine average
- 6.58% lower than the US average
- 104th in the state out of 157 cities
- The state rank has dropped by 12 since last month
- The state rank has increased by 11 since November last year
- 13,204th in the US out of 31,800 cities
- The national rank has increased by 1,017 since last month
- The national rank has increased by 10,723 since November last year
Portland, ME Electricity Overview

On average, Portland's residential electricity rate is 24.00 cents per kilowatt hour, which is 7.17% lower than the average state price of 25.85 cents and 43.41% higher than the national average of 16.73 cents. There has been a 6.53% drop in usage of non-renewable fuel types in the city over the course of the past 12 months. Customers in the city are faced with 1.12 electrical outages per year, with outages lasting around 124.44 minutes on average. The national averages for outages and duration are 1.44 outages at 123.49 minutes each.
Coming in at as the worst ranked city out of 157 cities in the state, Portland emits 246,873,234.38 kilograms of CO2 emissions from electricity use. Perhaps a better measurement of pollution is the CO2 levels per capita, which amounts to 3,608.2 kilograms of CO2 emissions per person per year. Using this calculation Portland is the 5th highest polluting city in Maine. Electricity facilities in the city most often use Non-biogenic Municipal Solid Waste, which makes up 44,609.38 megawatt hours (or 54.54%) of the fuel used for electricity generation in the city. Totaling Non-biogenic Municipal Solid Waste with Biogenic Municipal Solid Waste (44.62%) and Natural Gas (0.84%), these three fuels account for 100.00% of the city's electricity generation. Portland is home to one power producing plant.
Average Residential Electricity Bills & Rates in Portland
Portland residential electric rates are highest in May and the highest average bill is in March.
Historical Electricity Rates:
Electric Companies With Service in Portland, Maine
| Provider | Service Type | Residential Rate (¢) | Residential Average Bill ($) | City Production (MWh) | Residential Sales (MWh) | Residential Revenues ($) |
|---|---|---|---|---|---|---|
| Algonquin Power | ENERGY | |||||
| Ambit Energy | ENERGY | 17.51 | 105.35 | 28,787.39 | 5,041,712.19 | |
| American PowerNet | ENERGY | |||||
| CN Brown Energy | ENERGY | 13.56 | 87.21 | 36,675.51 | 4,971,550.74 | |
| Calpine | ENERGY |
Zips with electric coverage in Portland, Maine include: 04103, 04101, 04102, 04108, 04050, 04109, 04019
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South Portland, ME Electricity Overview

On average, South Portland's residential electricity rate is 24.00 cents per kilowatt hour, which is 7.17% lower than the average state price of 25.85 cents and 43.41% higher than the national average of 16.73 cents. Selling an estimated 5,106.91 megawatt hours, Central Maine Power is the largest vendor in the city. The city deals with an average of 1.12 power outages per consumer each year. These outages are an average of 124.44 minutes. In comparison, the nationwide average is 1.44 outages per consumer and 123.49 minutes per outage.
Electricity use in South Portland creates 49,781,145.13 kilograms of CO2 emissions. This is the 6th highest amount of any city in Maine. A better measurement of pollution is the CO2 emissions per citizen in the city, which amounts to 1,883.65 kilograms of CO2 emissions per person per year. This measurement ranks South Portland as the 11th highest polluting city in Maine. The city has no power production plants within its borders, meaning the companies that service the city must import the 213,982.67 megawatt hours the citizens consume every year.
Average Residential Electricity Bills & Rates in South Portland
South Portland residential electric rates are highest in May and the highest average bill is in March.
Historical Electricity Rates:
Electric Companies With Service in South Portland, Maine
| Provider | Service Type | Residential Rate (¢) | Residential Average Bill ($) | City Production (MWh) | Residential Sales (MWh) | Residential Revenues ($) |
|---|---|---|---|---|---|---|
| Algonquin Power | ENERGY | |||||
| Ambit Energy | ENERGY | 17.51 | 105.35 | 28,787.39 | 5,041,712.19 | |
| American PowerNet | ENERGY | |||||
| CN Brown Energy | ENERGY | 13.56 | 87.21 | 36,675.51 | 4,971,550.74 | |
| Calpine | ENERGY |
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Westbrook, ME Electricity Overview

On average, Westbrook's residential electricity rate is 24.00 cents per kilowatt hour, which is 7.17% lower than the average state price of 25.85 cents and 43.41% higher than the national average of 16.73 cents. The average residential electric bill for a resident in the city is $132.89 per month, while the nationwide average is $147.16. The city deals with an average of 1.12 electrical outages per consumer a year. These outages last on average of 124.44 minutes. In contrast, the national average is 1.44 outages per customer and 123.49 minutes each outage.
Electricity use in Westbrook creates 60,358,647.56 kilograms of CO2 emissions. This is the 5th highest amount of any city in Maine. More telling of the city's emissions reality is the per person CO2 emission amount. Currently that amount stands at 3,006.81 kilograms of CO2 emissions, which results in them being the 6th ranked city in Maine for CO2 pollution emitted per capita. The city is home to one electricity generation plant. In Westbrook, Natural Gas makes up 100.00% of the fuel types utilized for electricity production.
Average Residential Electricity Bills & Rates in Westbrook
Westbrook residential electric rates are highest in May and the highest average bill is in March.
Historical Electricity Rates:
Electric Companies With Service in Westbrook, Maine
| Provider | Service Type | Residential Rate (¢) | Residential Average Bill ($) | City Production (MWh) | Residential Sales (MWh) | Residential Revenues ($) |
|---|---|---|---|---|---|---|
| Algonquin Power | ENERGY | |||||
| Ambit Energy | ENERGY | 17.51 | 105.35 | 28,787.39 | 5,041,712.19 | |
| American PowerNet | ENERGY | |||||
| CN Brown Energy | ENERGY | 13.56 | 87.21 | 36,675.51 | 4,971,550.74 | |
| Calpine | ENERGY | 2,979,559 |
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Cumberland County, Maine Production, Consumption, and Emissions by Fuel Types
Power Plants in Cumberland County, Maine
| Plant | City/County | State | Primary Fuel Type | Production (MWh) | Production State Rank | Emission (kg) | Emission State Rank | Emissions per MWh | Emissions per MWh State Rank | Toxic Chemical Release | Closing Date |
|---|---|---|---|---|---|---|---|---|---|---|---|
Westbrook Energy Center Power PlantCalpine (100.00%) | Westbrook | ME | Natural Gas | 2,979,559 | 1 | 1,106,479,228.54 | 1 | 371.36 | 2 | ||
Regional Waste SystemsEcomaine (100.00%) | Portland | ME | Non-biogenic Municipal Solid Waste | 81,792 | 1 | 137,021,963.98 | 1 | 1,675.25 | 2 | ||
| Cousins Island CDP | ME | Residual Fuel Oil | 50,421 | 1 | 47,038,207.55 | 1 | 932.91 | 1 |
FAQ
Which electricity company is the largest provider in Cumberland County, Maine?
The largest electricity company in Cumberland County, Maine by total customer count is Central Maine Power.
How many power plants are located within Cumberland County, Maine?
There are 3 electricity plants located in Cumberland County, Maine
What electricity companies offer service in Cumberland County, Maine?
| County Customers Rank | Provider | Est. County Customers |
|---|---|---|
| 1 | Central Maine Power | 50,199 |
| 2 | Electricity Maine | 994 |
| 3 | Constellation Energy | 933 |
| 4 | SmartEnergy Holdings | 890 |
| 5 | CN Brown Energy | 300 |
| 6 | Energy Rewards | 254 |
| 7 | Ambit Energy | 234 |
| 8 | Major Energy Electric Services | 172 |
| 9 | First Point Power | 163 |
| 10 | North American Power | 105 |
How many electric companies offer service in Cumberland County, Maine?
Cumberland County, Maine is home to 24 electricity suppliers offering service in the area.