Great River Hydro, LLC

69 Milk Street Westborough, MA 1541

Company Summary Information

Great River Hydro, LLC is ranked #370 out of 5,093 utilities nationwide in terms of total annual net electricity generation, and they are ranked #27 out of 409 utilities in terms of total annual net electricity generation from hydroelectric conventional.

Great River Hydro, LLC generated 316.2 GWh during the 3-month period between September 2024 to December 2024.

According to FERC EQR data, Great River Hydro, LLC had a total of $44.3M in seller transasctions in 2025 Q2.

Company NameGreat River Hydro, LLC
Location69 Milk Street Westborough, MA 1541
EIA Utility TypeIndependent Power Producer
EIA Utility DatesJan 2017 to Dec 2024
EIA Annual Generation 1.8 TWh
EIA Power Plants13
Fuel Types Hydroelectric Conventional
Ranked #370 out of 5,093 Utilities Nationwide by Annual Generation
Ranked #27 out of 409 Utilities Nationwide in terms of Hydroelectric Conventional Generation

FERC Seller Summary

Seller Dates AvailableApr 2017 to Sep 2025
Seller Total Transaction Charges$1.03B
Seller Total Transactions11,131,985
Seller 2025 Q2 Transaction Charges$44.29M
Seller 2025 Q2 Transactions418,585

Map of Great River Hydro, LLC Locations

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Monthly Electricity Generation by Type

Monthly electricity generation by source as reported by the EIA

Monthly FERC Transaction Charges by Type

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

Power Plants Operated by Great River Hydro, LLC

PlantLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
Bellows FallsBellow Falls, Vermont264 GWhFeb 1928Dec 2024 Water
ComerfordMonroe, New Hampshire400 GWhAug 1930Dec 2024 Water
Deerfield 2Conway, Massachusetts29 GWhJul 1913Dec 2024 Water
Deerfield 3Buckland, Massachusetts25 GWhJul 1912Dec 2024 Water
Deerfield 4Buckland, Massachusetts20 GWhJul 1912Dec 2024 Water
Deerfield 5Florida, Massachusetts42 GWhSep 1974Dec 2024 Water
HarrimanWhitingham, Vermont91 GWhApr 1924Dec 2024 Water
McindoesBarnet, Vermont53 GWhDec 1930Dec 2024 Water
S C MooreLittleton, New Hampshire341 GWhDec 1956Dec 2024 Water
SearsburgSearsburg, Vermont15 GWhFeb 1922Dec 2024 Water
ShermanRowe, Massachusetts27 GWhNov 1926Dec 2024 Water
Vernon DamVernon, Vermont160 GWhJul 1909Dec 2024 Water
WilderHartford, Vermont179 GWhOct 1950Dec 2024 Water

Other Companies Listed Alphabetically

A list of companies close to Great River Hydro, LLC when arranged alphabetically. They do not neccessarily have any association with Great River Hydro, LLC.

Company NameCompany LocationEIA Annual
Generation
FERC 2025 Q2
Transactions
Great Bay Hydro CorpBoulder, CO23.3 GWh-
Great Bay Solar I LLCOakville, ON149.4 GWh$2.34M
Great Bay Solar II, LLCOakville, ON-$1.37M
Great Cove Solar II LLCLouisville, CO-$3.38M
Great Cove Solar LLCLouisville, CO-$1.66M
Great Lakes Hydro America LLCMillinocket, ME786.6 GWh$9.59M
Great Pathfinder WindCharlottesville, VA839.0 GWh$1.70M
Great Plains Windpark Legacy LLCBloomington, MN110.9 GWh$312.02k
Great Prairie Wind LLCJuno Beach, FL4.4 TWh$3.34M
Great River EnergyMaple Grove, MN463.9 GWh$88.70M
Great Valley Solar 1, LLCValhalla, NY-$4.35M
Great Valley Solar 2, LLCValhalla, NY-$2.35M
Great Valley Solar 3, LLCValhalla, NY-$667.33k
Great Western Wind Energy, LLCPhoenix, AZ-$4.21M
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, LLCColumbus, OH-$21.83M
Green Country Op Services LLCJenks, OK4.6 TWh-
Green Cow Power LLCGoshen, IN14.4 GWh-

All Companies Associated with Great River Hydro, LLC

A list of all companies associated with Great River Hydro, LLC in terms of FERC EQR transactions. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.

Company Name2025 Q2 Transactions w/
Great River Hydro, LLC
ISO New England Inc.$29.34M
H.Q. Energy Services (U.S.) Inc.$7.44M
Green Mountain Power Corporation$4.04M
Connecticut Municipal Electric Energy Cooperative$2.17M
Taunton Municipal Lighting Plant$463.27k
Massachusetts Development Finance Agency$424.46k
Belmont Municipal Light Department$255.38k
Town Of Stowe Electric Department$92.78k
Hyde Park Electric$47.54k
Chester Municipal Electric Light Department$25.87k
City Of Burlington, Vermont Electric Department-
Vermont Public Power Supply Authority-

Company Contacts

A list of all company contacts obtained from FERC EQR data since 2013

ContactTitlePhoneEmailAddressFERC Filing Periods
Attorney, Outside Counsel2017Q2 - 2025Q3

The 20 Most Recent FERC EQR Transactions

Displaying Results 1 to 20 of 11,131,985   ( 1.142s )
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
Great River Hydro, LLCISO New England IncCAPACITYNE2648252025-09-01 00:002025-09-30 23:592025-07-251.703$8,020.00$/MW-MO$0.00$13,658.06Great River Hydro, LLC, MBR Tariff, 1.0.0ISO-NE MPSANew2017-03-012017-04-01EasternDaylight2ISNE8500FirmShortTermMonthlyNotApplicableIncrementPeakingNew
Great River Hydro, LLCISO New England IncCAPACITYNE2648262025-09-01 00:002025-09-30 23:592023-07-030.246$1,338.00$/MW-MO$0.00$329.15Great River Hydro, LLC, MBR Tariff, 1.0.0ISO-NE MPSANew2017-03-012017-04-01EasternDaylight2ISNE8505FirmShortTermMonthlyNotApplicableIncrementPeakingNew
Great River Hydro, LLCISO New England IncUPLIFTNE2648472025-09-30 00:002025-09-30 23:592025-09-301$6.63FLAT RATE$0.00$6.63Great River Hydro, LLC, MBR Tariff, 1.0.0ISO-NE MPSANew2017-03-012017-04-01EasternDaylight2ISNE393FirmShortTermDailyNotApplicableIncrementPeakingNew
Great River Hydro, LLCISO New England IncUPLIFTNE2648912025-09-30 00:002025-09-30 23:592025-09-301$10.70FLAT RATE$0.00$10.70Great River Hydro, LLC, MBR Tariff, 1.0.0ISO-NE MPSANew2017-03-012017-04-01EasternDaylight2ISNE465FirmShortTermDailyNotApplicableIncrementPeakingNew

Great River Hydro, LLC 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
Great River Hydro, LLC1710 6TH Ave North Birmingham, AL 35203
Great River Hydro, LLC69 Milk Street Westborough, MA 1541