Green Mountain Power
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About Green Mountain Power
Green Mountain Power is an investor owned organization headquartered in Colchester, Vermont and serving customers in 28 cities in Vermont. A total of 272,233 customers (73 industrial accounts, 46,648 commercial customer accounts and 225,512 residential properties) receive electricity from the supplier. Green Mountain Power has an average residential electricity price of 20.72 cents per kilowatt hour. This is 34.61% more than the national average rate of 15.39 cents, resulting in the supplier ranking 2849th out of 2906 companies in the US for best average electricity rate. They had sales of 4,100,504 megawatt hours in 2021 sold to end users. The electricity sourced by the company is made up of multiple sources including megawatt hours they produce in their electricity facilities and supplementary megawatt hours acquired via wholesale channels. These categories comprise 15.74% and 83.93%, respectively, of all electricity sourced. Green Mountain Power made $729,560,000 in 2021, $16,493,000 of which came from electricity sales on the wholesale energy market and $670,860,000 of which came from sales to residential energy users.
The average residential electric bill for a customer of Green Mountain Power is $117.57 per month, while the national average is $130.88. The supplier's consumers are faced with an average of 2.08 electrical outages per customer each year. These outages last an average of 269.4 minutes, while the national average is 1.58 outages per customer and 145.81 minutes an outage. The company generates 19.38% (or 134,771.5 megawatt hours) of the electricity that it sells from nuclear power plants. The supplier is the 62nd largest producer of hydroelectric power out of 3509 companies in the country, with total generation reaching 303,046 megawatt hours.
Green Mountain Power offers net metering options to their customers. Without net metering, solar panel installation is significantly less economically realistic, as citizens have no way to sell unused energy back into the infrastructure system.
Green Mountain Power has energy loss of 5.33% of their total generation during transmission. The state average for energy loss is 5.21% and the nationwide average is 2.45%. This results in Green Mountain Power receiving a ranking of 2nd best out of 17 providers in the state and 1058th best out of 3509 providers in the nation.
Green Mountain Power Rate & Electric Bills
Green Mountain Power residential electric rates are highest in January and the highest average bill is in December.
Historical Electricity Rates:
Green Mountain Power Overview
- Company Type:Investor Owned
- Headquarters:163 Acorn Lane
Colchester, Vermont 05546
United States of America - CEO:Mari McClure
Green Mountain Power Contact
- Website:www.greenmountainpower.com
- Customer Service Phone:(888) 835-4672
- Contact Page:www.greenmountainpower.com
- Social Media:
Green Mountain Power Service
- Rates & Plans:www.greenmountainpower.com
- Outage Map:greenmountainpower.com
- States Served:
- Vermont
- Counties Served:
- Chittenden County
- Rutland County
- Washington County
- Windsor County
- Franklin County
- Major Cities Served:
- Burlington
- South Burlington
- Rutland
- Essex Junction
- Bennington CDP
- Barre
- Winooski
- Montpelier
- Brattleboro CDP
- Middlebury CDP
- Table Of Contents:
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Quick Facts About Green Mountain Power
Green Mountain Power is ranked 81st in the country out of 3509 providers for total percentage of electricity output coming from sustainable fuels.
Green Mountain Power produces 78.59% of their electricity from renewable fuel sources, which ranks them 254th in the nation out of the 3509 companies we track.
Green Mountain Power's electricity facilities generate 5,589.14 megawatt hours by burning natural gas.
Green Mountain Power is the 286th largest generator of megawatt hours from non-renewable fuel types in the United States out of 3509 providers.
The supplier is ranked 270th in the United States for electricity generation, generating 695,396.04 megawatt hours.
Green Mountain Power produces 0.20% of its total megawatt hours produced from solar energy sources, which is 204th in the country out of 3509 suppliers for percentage of total electricity production that comes from solar energy sources.



Energy Loss
Green Mountain Power's energy loss due to business operations.
Total Energy Loss
256,336MWh
1058 National Rank
Grid Reliability
Length & Frequency of Green Mountain Power's Power Outages
269.4 min.
vs. national average of 145.81 min.
2.08 outages/yr
vs. national average of 1.58
Green Mountain Power Energy Makeup
Green Mountain Power Coverage Map

Green Mountain Power State Coverage
State | Customers | Sales ($) | State Rank Based On Revenue | % of Provider's Residential Sales in State |
---|---|---|---|---|
Vermont | 272,233 | 693,421,000 | 1 | 100% |
Green Mountain Power County Coverage
County | Population | Providers | Avg. County Rate (¢) | Avg. Electric Bill |
---|---|---|---|---|
Addison County | 37,306 | 2 | 20.64 | $117.49/mo |
Bennington County | 37,235 | 1 | 20.64 | $117.55/mo |
Caledonia County | 30,402 | 6 | 20.20 | $106.25/mo |
Chittenden County | 167,523 | 3 | 20.59 | $115.51/mo |
Essex County | 5,972 | 3 | 20.48 | $113.26/mo |
Franklin County | 49,752 | 4 | 19.61 | $112.81/mo |
Grand Isle County | 7,249 | 2 | 20.65 | $113.15/mo |
Lamoille County | 25,920 | 7 | 19.12 | $105.10/mo |
Orange County | 29,286 | 2 | 22.10 | $115.88/mo |
Rutland County | 60,662 | 1 | 20.64 | $117.55/mo |
Power Plants Owned by Green Mountain Power
Plant | City/County | State | Primary Fuel Type | Production (MWh) | Emission (kg) | Emissions/MWh | Toxic Chemical Release | Closing Date |
---|---|---|---|---|---|---|---|---|
New London County | CT | Nuclear | 15,580,520 | |||||
Burlington | VT | Wood/Wood Waste Solids | 214,065 | 294,249,782.26 | 1,374.58 | |||
Kingdom Community WindGreen Mountain Power (100.00%) | Orleans County | VT | Wind | 166,382 | ||||
Hampden County | MA | Natural Gas | 116,882 | 67,242,854.55 | 575.31 | |||
Cousins Island CDP | ME | Residual Fuel Oil | 111,135 | 94,293,500.75 | 848.46 | |||
Essex Junction 19Green Mountain Power (100.00%) | Essex Junction | VT | Conventional Hydroelectric | 36,449 | 153,425.89 | 4.21 | ||
Searsburg Wind TurbineGreen Mountain Power (100.00%) | Bennington County | VT | Wind | 9,452 | ||||
Stafford Hill Solar HybridGreen Mountain Power (100.00%) | Rutland | VT | Solar | 1,380 | ||||
Berlin 5Green Mountain Power (100.00%) | Washington County | VT | Kerosene | 1,201 | 1,472,942.4 | 1,226.43 | ||
Rutland | VT | Distillate Fuel Oil | 431 | 807,356.53 | 1,873.22 |
Green Mountain Power Fuel Makeup
Cities Green Mountain Power Has Coverage
- Barre, VT
- Bellows Falls, VT
- Burlington, VT
- Cambridge, VT
- Essex Junction, VT
- Jacksonville, VT
- Jeffersonville, VT
- Jericho, VT
- Ludlow, VT
- Manchester, VT
- Marshfield, VT
- Montpelier, VT
- Newbury, VT
- Newfane, VT
- North Bennington, VT
- Old Bennington, VT
- Perkinsville, VT
- Poultney, VT
- Rutland, VT
- Saxtons River, VT
- South Burlington, VT
- St. Albans, VT
- Vergennes, VT
- Waterbury, VT
- Wells River, VT
- Westminster, VT
- Winooski, VT
- Woodstock, VT
* City coverage generated based on government data. Always verify you can get service from the provider.
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Green Mountain Power FAQ:
What percentage of Green Mountain Power's electricity is generated from renewable fuel sources?
Power facilities owned by or associated with Green Mountain Power generate 78.59% of their electricity from renewable fuel sources.
What is the phone number for Green Mountain Power?
Green Mountain Power's customer service phone number is (888) 835-4672
What cities does Green Mountain Power have customers in to?
Green Mountain Power serves 28 cities in the US.
What is the average bundled electricity rate for Green Mountain Power customers?
Green Mountain Power's current average bundled electricity rate is 20.72 cents per kilowatt hour (¢/kWh), compared to the average Vermont bundled rate of 20.06 cents and the average national rate of 15.39 cents.
Who is the CEO of Green Mountain Power?
The CEO of Green Mountain Power is Mari McClure.
How much is the average bundled bill for Green Mountain Power customers each month?
Green Mountain Power currently has an average monthly bundled electric bill of $117.57, compared to the Vermont average of $111.65 and the US of $111.65 for bundled service.
What percentage of Green Mountain Power's electricity is generated from nonrenewable fuel types?
Green Mountain Power produces 21.41% of their electricity using nonrenewable fuels.
When will Green Mountain Power power be restored?
Green Mountain Power's outages last, on average, about 269.4 minutes per each outage.
How many counties does Green Mountain Power provider electricity to?
There are 13 counties that receive at least some electricity coverage by Green Mountain Power including Vermont.
How many power plants are owned by or associated with Green Mountain Power?
Green Mountain Power owns or is associated with 11 power plants.