Green Mountain Power Corp

163 Acorn Lane Colchester, VT 5446

Company Summary Information

Green Mountain Power Corp is ranked #713 out of 4,996 utilities nationwide in terms of total annual net electricity generation, and they are ranked #71 out of 418 utilities in terms of total annual net electricity generation from hydroelectric conventional.

Green Mountain Power Corp generated 133.4 GWh during the 3-month period between September 2024 to December 2024.

According to FERC EQR data, Green Mountain Power Corp had a total of $122.2M in seller transasctions and $68.5M in buyer transasctions in 2025 Q1.

Company NameGreen Mountain Power Corp
Location163 Acorn Lane Colchester, VT 5446
EIA Utility TypeInvestor-Owned Utility
EIA Utility DatesJan 2001 to Apr 2025
EIA Annual Generation 632.7 GWh
EIA Power Plants47
Fuel Types Hydroelectric Conventional Wind Solar Other Fuel Waste Oil Distillate Fuel Oil
Ranked #713 out of 4,996 Utilities Nationwide by Annual Generation
Ranked #71 out of 418 Utilities Nationwide in terms of Hydroelectric Conventional Generation

FERC Seller Summary

Seller Dates AvailableJul 2013 to Mar 2025
Seller Total Transaction Charges$2.26B
Seller Total Transactions11,283,620
Seller 2025 Q1 Transaction Charges$122.17M
Seller 2025 Q1 Transactions491,336

FERC Buyer Summary

Buyer Dates AvailableJul 2013 to Apr 2025
Buyer Total Transaction Charges$1.96B
Buyer Total Transactions50,366
Buyer 2025 Q1 Transaction Charges$68.47M
Buyer 2025 Q1 Transactions2,416

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Monthly Electricity Generation by Type

Monthly electricity generation by source as reported by the EIA

Hydroelectric Conventional
Wind
Solar
Other Fuel
Waste Oil
Distillate Fuel Oil
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Monthly FERC Transaction Charges by Type

Monthly aggregates and sums are derived from FERC Electronic Quarterly Reports (EQR)

Power Plants Operated by Green Mountain Power Corp

PlantLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
AscutneyWeatherfield, Vermont192 MWhJul 1961Feb 2025 Distillate Fuel Oil
BeldensNew Haven, Vermont14 GWhJul 1913Dec 2024 Water
Berlin 5Berlin, Vermont952 MWhMay 1972Apr 2025 Kerosene
Bolton FallsDuxbury, Vermont-198 MWhOct 1986Dec 2024
Carver FallsHampton, New York6 GWhJan 1922Dec 2024 Water
CavendishCavendish, Vermont830 MWhJan 1907Dec 2024 Water
Clark FallsMilton, Vermont17 GWhJan 1937Dec 2024 Water
Colchester 16Colchester, Vermont279 MWhSep 1965Dec 2024 Distillate Fuel Oil
Deweys MillWhite River Jct., Vermont-30 MWhMay 1989Dec 2024
East BarnetBarnet, Vermont-176 MWhAug 1984Dec 2024
EHC West HopkintonWest Hopkinton, New Hampshire3 GWhJun 1985Jul 2024 Water
Essex Junction 19Essex Junction, Vermont37 GWhDec 1916Apr 2025 Water : 99.6%
Fairfax FallsFairfax, Vermont20 GWhJan 1919Dec 2024 Water
GlenRutland, Vermont6 GWhJul 1920Dec 2024 Water
GMP Solar - HartfordHartford, Vermont8 GWhNov 2016Apr 2025 Solar
GMP Solar - Panton HybridPanton, Vermont9 GWhNov 2016Apr 2025 Solar : 96.3% Electricity used for energy storage : 3.7%
GMP Solar - RichmondRichmond, Vermont3 GWhSep 2016Apr 2025 Solar
GMP Solar - WilliamstownWilliamstown, Vermont7 GWhNov 2016Apr 2025 Solar
GMP Solar - WillistonWilliston, Vermont7 GWhOct 2016Apr 2025 Solar
GMP Solar/Storage-Essex HybridEssex, Vermont8 GWhAug 2019Apr 2025 Solar : 93.2% Electricity used for energy storage : 6.8%
GMP Solar/Storage-Ferrisburgh HybridFerrisburgh, Vermont9 GWhAug 2019Apr 2025 Solar : 93.2% Electricity used for energy storage : 6.8%
GMP Solar/Storage-Milton HybridMilton, Vermont8 GWhAug 2019Apr 2025 Solar : 94.0% Electricity used for energy storage : 6.0%
Gorge 18South Burlington, Vermont17 GWhDec 1927Dec 2024 Water
Huntington FallsWeybridge, Vermont23 GWhSep 1988Dec 2024 Water
Kingdom Community WindLowell, Vermont184 GWhOct 2012Apr 2025 Wind
Lower MiddleburyMiddlebury Lower, Vermont4 GWhJul 1917Dec 2024 Water
Marshfield 6Marshfield, Vermont8 GWhDec 1926Dec 2024 Water
Mascoma HydroW. Lebanon, New Hampshire2 GWhNov 1988Dec 2024 Water
Middlesex 2Moretown, Vermont10 GWhDec 1927Dec 2024 Water
MiltonMilton, Vermont44 GWhJan 1929Dec 2024 Water
Ottauquechee HydroN. Hartland, Vermont978 MWhMar 1983Dec 2024 Water
PetersonMilton, Vermont31 GWhJan 1948Dec 2024 Water
PittsfordPittsford, Vermont8 GWhJan 1914Dec 2024 Water
ProctorProctor, Vermont31 GWhJul 1905Dec 2024 Water
RollinsfordRollinsford, New Hampshire2 GWhSep 1986Dec 2024 Water
RutlandRutland City, Vermont84 MWhNov 1962Mar 2024 Distillate Fuel Oil
SalisburySalisbury, Vermont2 GWhJan 1917Dec 2024 Water
Salmon FallsSouth Berwick, Maine3 GWhJun 1986Dec 2024 Water
Searsburg Wind TurbineSearsburg, Vermont11 GWhMay 1997Apr 2025 Wind
Silver Lake (VT)Salisbury, Vermont5 GWhJan 1917Dec 2024 Water
Smith (VT)Bradford, Vermont2 GWhNov 1982Dec 2024 Water
Somersworth Lower Great DamSomersworth, New Hampshire3 GWhJun 1985Jun 2024 Water
Stafford Hill Solar HybridRutland, Vermont923 MWhFeb 2015Apr 2025 Solar
Vergennes 9Vergennes, Vermont8 GWhDec 1911Dec 2024 Water
Waterbury 22Waterbury, Vermont15 GWhMay 1953Dec 2024 Water
West Danville 15Danville, Vermont3 GWhDec 1916Dec 2024 Water
WeybridgeWeybridge, Vermont14 GWhJan 1951Dec 2024 Water

Other Companies Listed Alphabetically

A list of companies close to Green Mountain Power Corp when arranged alphabetically. They do not neccessarily have any association with Green Mountain Power Corp.

Company NameCompany LocationEIA Annual
Generation
FERC 2025 Q1
Transactions
Great Western Wind Energy, LLCPhoenix, AZ-$2.05M
Greater Sandhill I LLCMorristown, NJ45.5 GWh-
Green City Recovery, LLCGeorgetown, KY1.4 GWh-
Green Correctional Coxsackie Ny Solar LLCFramingham, MA9.1 GWh-
Green Country Energy, LLCJenks, OK-$49.92M
Green Country Op Services LLCJenks, OK4.3 TWh-
Green Cow Power LLCGoshen, IN14.4 GWh-
Green Energy Machine, LLCGreenfield, IA7.3 GWh-
Green Mile Solar, LLCNew York, NY7.2 GWh-
Green Mountain Energy CompanyPrinceton, NJ-$303.41k
Green Pastures Wind I, LLCScottsdale, AZ296.4 GWh-
Green Pastures Wind II, LLCScottsdale, AZ319.4 GWh-
Green Providence Wind I, LLCCranston, RI1.7 GWh-
Green Providence Wind II, LLCCranston, RI4.0 GWh-
Green River Wind Farm Phase 1, LLCBloomington, MN610.0 GWh$5.19M
Green Street Power PartnersStamford, CT159.4 GWh-
Green USA, LLCBrooklyn, NY-$2.21k
Greenbacker Renewable Energy CorporationNew York, NY3.1 TWh-
Greenfield Wind Power, LLCSan Francisco, CA5.7 GWh-
Greenidge Generation Holdings LLCDresden, NY730.3 GWh$9.24M

Top 20 Companies Associated with Green Mountain Power Corp

A list of the top 20 companies associated with Green Mountain Power Corp in terms of total FERC EQR transactions charges. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.

Company Name2025 Q1 Transactions w/
Green Mountain Power Corp
ISO New England Inc.$115.51M
H.Q. Energy Services (U.S.) Inc.$17.45M
BP Energy Company$14.62M
Nextera Energy Marketing, LLC$12.47M
Nextera Energy Seabrook, LLC$12.04M
Granite Reliable Power, LLC$6.39M
Global Foundries Power LLC$4.61M
Great River Hydro, LLC$2.31M
Deerfield Wind, LLC$2.31M
Firstlight Power Management LLC$903.11k
Missisquoi, LLC$746.06k
Vermont Electric Cooperative, Inc.$697.69k
Dynegy Marketing And Trade, LLC$438.00k
E. Barreco Corp LLC$119.41k
Niagra Mohawk Power Corporation D/B/A National Grid$8.96k
Western Massachusetts Electric Company$3.90k
New York State Electric & Gas Corporation$1.25k
Nextera Energy Power Marketing, LLC-
Cargill Power Markets, LLC-
Energy Power Investment Company, LLC-

The 20 Most Recent FERC EQR Transactions

Displaying Results 1 to 20 of 11,333,986   ( 0.849s )
Seller NameBuyer NameProductTransaction
Group Ref #
Begin DateEnd DateTrade DateQuantityPriceUnitsTransmission
Charge
Transaction
Charge
FERC Tariff RefContract
Service
Agreement
Contract
Filing
Type
Contract
Execution
Date
Contract
Commencement
Date
Contract
Termination
Date
TimezoneBalancing
Authority
Point of
Delivery Hub
ClassTermIncrementIncrement
Peaking
Filing
Type
Broker
Exchange
Dynegy Marketing and Trade, LLCGreen Mountain Power CorporationCAPACITY14813652025-03-01 00:002025-04-01 00:002021-02-0450,000$2.92$/KW-MO$0.00$146,000.00FERC Electric Tariff, Volume No. 1107554New2015-11-022015-11-022099-12-31EasternPrevailing2ISNEISONE - Capacity - RTO - NRCP BasisFirmLongTermYearlyFullPeriodNew
Green Mountain Power CorporationISO New England IncENERGYNE01506982025-03-31 23:552025-03-31 23:592025-03-310.25$29.25$/MWH$0.00$-7.31FERC Electric Tariff No. 8ISO-NE MPSANew1972-09-011972-09-01EasternDaylight2ISNE541NotApplicableClassShortTermFiveMinuteOffPeakNew
Green Mountain Power CorporationISO New England IncENERGYNE01076592025-03-31 23:002025-03-31 23:592025-03-30100$29.19$/MWH$0.00$2,919.00FERC Electric Tariff No. 8ISO-NE MPSANew1972-09-011972-09-01EasternDaylight2ISNE4000NotApplicableClassShortTermHourlyOffPeakNew
Green Mountain Power CorporationISO New England IncENERGYNE01596132025-03-31 23:552025-03-31 23:592025-03-310.6943$28.44$/MWH$0.00$19.75FERC Electric Tariff No. 8ISO-NE MPSANew1972-09-011972-09-01EasternDaylight2ISNE565NotApplicableClassShortTermFiveMinuteOffPeakNew

Green Mountain Power Corp Name and Address Permutations

Due to the nature of the data we have to make some assumptions when determining if two companies are the same. So to be transparent about how we're calculating some of the summary values, here are all the company names and addresses that were combined to create this record. While we try to make sure everything is as accurate as possible we can't guarantee complete accuracy for all records.

Company NameCompany Address
Green Mountain Power Corp163 Acorn Lane Colchester, VT 5446
Green Mountain Power Corporation163 Acorn Lane Colchester, VT 05446
Green Mountain Power Corporation68-70 Merchants Row Rutland, VT 05701