Green Mountain Power Corp
163 Acorn Lane Colchester, VT 5446Company Summary Information
Green Mountain Power Corp is ranked #801 out of 5,337 utilities nationwide in terms of total annual net electricity generation, and they are ranked #74 out of 410 utilities in terms of total annual net electricity generation from hydroelectric conventional.
Green Mountain Power Corp generated 143.3 GWh during the 3-month period between September 2025 to December 2025.
According to FERC EQR data, Green Mountain Power Corp had a total of $8.2M in seller transasctions and $48.8M in buyer transasctions in 2025 Q2.
| Company Name | Green Mountain Power Corp |
|---|---|
| Location | 163 Acorn Lane Colchester, VT 5446 |
| EIA Utility Type | Investor-Owned Utility |
| EIA Utility Dates | Jan 2001 to May 2026 |
| EIA Annual Generation | 571.7 GWh |
| EIA Power Plants | 47 |
| Fuel Types | Hydroelectric Conventional Wind Solar Waste Oil Distillate Fuel Oil Other Fuel |
| Ranked #801 out of 5,337 Utilities Nationwide by Annual Generation | |
| Ranked #74 out of 410 Utilities Nationwide in terms of Hydroelectric Conventional Generation | |
FERC Seller Summary
| Seller Dates Available | Jul 2013 to Sep 2025 |
|---|---|
| Seller Total Transaction Charges | $2.32B |
| Seller Total Transactions | 12,051,464 |
| Seller 2025 Q2 Transaction Charges | $8.19M |
| Seller 2025 Q2 Transactions | 436,980 |
FERC Buyer Summary
| Buyer Dates Available | Jul 2013 to Oct 2025 |
|---|---|
| Buyer Total Transaction Charges | $2.06B |
| Buyer Total Transactions | 55,172 |
| Buyer 2025 Q2 Transaction Charges | $48.76M |
| Buyer 2025 Q2 Transactions | 2,380 |
Map of Green Mountain Power Corp 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 Green Mountain Power Corp
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Ascutney | Weatherfield, Vermont | 437 MWh | Jul 1961 | May 2026 | Distillate Fuel Oil |
| Beldens | New Haven, Vermont | 6 GWh | Jul 1913 | Dec 2025 | Water |
| Berlin 5 | Berlin, Vermont | 2 GWh | May 1972 | May 2026 | Kerosene |
| Bolton Falls | Duxbury, Vermont | 6 GWh | Oct 1986 | Dec 2025 | Water |
| Carver Falls | Hampton, New York | 4 GWh | Jan 1922 | Dec 2025 | Water |
| Cavendish | Cavendish, Vermont | 1 GWh | Jan 1907 | Dec 2025 | Water |
| Clark Falls | Milton, Vermont | 14 GWh | Jan 1937 | Dec 2025 | Water |
| Colchester 16 | Colchester, Vermont | 310 MWh | Sep 1965 | Dec 2025 | Distillate Fuel Oil |
| Deweys Mill | White River Jct., Vermont | 2 GWh | May 1989 | Dec 2025 | Water |
| East Barnet | Barnet, Vermont | 5 GWh | Aug 1984 | Dec 2025 | Water |
| EHC West Hopkinton | West Hopkinton, New Hampshire | 1 GWh | Jun 1985 | Dec 2025 | Water |
| Essex Junction 19 | Essex Junction, Vermont | 34 GWh | Dec 1916 | May 2026 | Water : 98.8% Distillate Fuel Oil : 1.2% |
| Fairfax Falls | Fairfax, Vermont | 16 GWh | Jan 1919 | Dec 2025 | Water |
| Glen | Rutland, Vermont | 6 GWh | Jul 1920 | Dec 2025 | Water |
| GMP Solar - Hartford | Hartford, Vermont | 7 GWh | Nov 2016 | May 2026 | Solar |
| GMP Solar - Panton Hybrid | Panton, Vermont | 8 GWh | Nov 2016 | May 2026 | Solar |
| GMP Solar - Richmond | Richmond, Vermont | 3 GWh | Sep 2016 | May 2026 | Solar |
| GMP Solar - Williamstown | Williamstown, Vermont | 7 GWh | Nov 2016 | May 2026 | Solar |
| GMP Solar - Williston | Williston, Vermont | 6 GWh | Oct 2016 | May 2026 | Solar |
| GMP Solar/Storage-Essex Hybrid | Essex, Vermont | 7 GWh | Aug 2019 | May 2026 | Solar |
| GMP Solar/Storage-Ferrisburgh Hybrid | Ferrisburgh, Vermont | 8 GWh | Aug 2019 | May 2026 | Solar |
| GMP Solar/Storage-Milton Hybrid | Milton, Vermont | 7 GWh | Aug 2019 | May 2026 | Solar |
| Gorge 18 | South Burlington, Vermont | 15 GWh | Dec 1927 | Dec 2025 | Water |
| Huntington Falls | Weybridge, Vermont | 12 GWh | Sep 1988 | Dec 2025 | Water |
| Kingdom Community Wind | Lowell, Vermont | 164 GWh | Oct 2012 | May 2026 | Wind |
| Lower Middlebury | Middlebury Lower, Vermont | 5 GWh | Jul 1917 | Dec 2025 | Water |
| Marshfield 6 | Marshfield, Vermont | 4 GWh | Dec 1926 | Dec 2025 | Water |
| Mascoma Hydro | W. Lebanon, New Hampshire | 202 MWh | Nov 1988 | Dec 2025 | Water |
| Middlesex 2 | Moretown, Vermont | 6 GWh | Dec 1927 | Dec 2025 | Water |
| Milton | Milton, Vermont | 34 GWh | Jan 1929 | Dec 2025 | Water |
| Ottauquechee Hydro | N. Hartland, Vermont | 3 GWh | Mar 1983 | Dec 2025 | Water |
| Peterson | Milton, Vermont | 25 GWh | Jan 1948 | Dec 2025 | Water |
| Pittsford | Pittsford, Vermont | 8 GWh | Jan 1914 | Dec 2025 | Water |
| Proctor | Proctor, Vermont | 28 GWh | Jul 1905 | Dec 2025 | Water |
| Rollinsford | Rollinsford, New Hampshire | 3 GWh | Sep 1986 | Dec 2025 | Water |
| Rutland | Rutland City, Vermont | 0 Wh | Nov 1962 | Mar 2024 | |
| Salisbury | Salisbury, Vermont | 2 GWh | Jan 1917 | Dec 2025 | Water |
| Salmon Falls | South Berwick, Maine | 2 GWh | Jun 1986 | Dec 2025 | Water |
| Searsburg Wind Turbine | Searsburg, Vermont | 10 GWh | May 1997 | May 2026 | Wind |
| Silver Lake (VT) | Salisbury, Vermont | 5 GWh | Jan 1917 | Dec 2025 | Water |
| Smith (VT) | Bradford, Vermont | 2 GWh | Nov 1982 | Dec 2025 | Water |
| Somersworth Lower Great Dam | Somersworth, New Hampshire | 498 MWh | Jun 1985 | Dec 2025 | Water |
| Stafford Hill Solar Hybrid | Rutland, Vermont | 390 MWh | Feb 2015 | May 2026 | Solar |
| Vergennes 9 | Vergennes, Vermont | 8 GWh | Dec 1911 | Dec 2025 | Water |
| Waterbury 22 | Waterbury, Vermont | 11 GWh | May 1953 | Dec 2025 | Water |
| West Danville 15 | Danville, Vermont | 2 GWh | Dec 1916 | Dec 2025 | Water |
| Weybridge | Weybridge, Vermont | 10 GWh | Jan 1951 | Dec 2025 | 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.
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 Name | 2025 Q2 Transactions w/ Green Mountain Power Corp |
|---|---|
| H.Q. Energy Services (U.S.) Inc. | $17.65M |
| Nextera Energy Seabrook, LLC | $11.43M |
| Global Foundries Power LLC | $4.95M |
| Granite Reliable Power, LLC | $4.45M |
| Great River Hydro, LLC | $4.04M |
| BP Energy Company | $3.03M |
| Nextera Energy Marketing, LLC | $2.78M |
| ISO New England Inc. | $2.66M |
| Deerfield Wind, LLC | $2.27M |
| Missisquoi, LLC | $1.45M |
| Firstlight Power Management LLC | $1.23M |
| Vermont Electric Cooperative, Inc. | $564.13k |
| Dynegy Marketing And Trade, LLC | $438.00k |
| Niagra Mohawk Power Corporation D/B/A National Grid | $7.32k |
| Western Massachusetts Electric Company | $2.78k |
| New York State Electric & Gas Corporation | $1.89k |
| Exelon Generation Company, LLC | - |
| Energy Power Investment Company, LLC | - |
| Nextera Energy Power Marketing, LLC | - |
| Cargill Power Markets, LLC | - |
The 20 Most Recent FERC EQR Transactions
Displaying Results 1 to 20 of 12,106,636 ( 0.907s )| Seller Name | Buyer Name | Product | Transaction Group Ref # | Begin Date | End Date | Trade Date | Quantity | Price | Units | Transmission Charge | Transaction Charge | FERC Tariff Ref | Contract Service Agreement | Contract Filing Type | Contract Execution Date | Contract Commencement Date | Contract Termination Date | Timezone | Balancing Authority | Point of Delivery Hub | Class | Term | Increment | Increment Peaking | Filing Type | Broker Exchange |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dynegy Marketing and Trade, LLC | Green Mountain Power Corporation | CAPACITY | 1481333 | 2025-09-01 00:00 | 2025-10-01 00:00 | 2021-02-04 | 50,000 | $2.92 | $/KW-MO | $0.00 | $146,000.00 | FERC Electric Tariff, Volume No. 1 | 107554 | New | 2015-11-02 | 2015-11-02 | 2099-12-31 | EasternPrevailing2 | ISNE | ISONE - Capacity - Rest of Pool | Firm | LongTerm | Yearly | FullPeriod | New | |
| Green Mountain Power Corporation | Vermont Electric Cooperative Inc | ENERGY | T2574 | 2025-09-01 00:00 | 2025-09-30 23:59 | 2025-09-01 | 1 | $229,987.2536 | FLAT RATE | $0.00 | $229,987.25 | Market-Based Rate Tariff 2.0.0 | GMP/VEC PPA_KCW | New | 2011-09-14 | 2012-12-15 | 2037-12-15 | EasternStandard2 | ISNE | NEPOOL (Mass Hub) | Firm | LongTerm | Monthly | FullPeriod | New | |
| Green Mountain Power Corporation | ISO New England Inc | CAPACITY | NE0216766 | 2025-09-01 00:00 | 2025-09-30 23:59 | 2016-02-10 | 2.189 | $11,743.00 | $/MW-MO | $0.00 | $25,705.43 | FERC Electric Tariff No. 8 | ISO-NE MPSA | New | 1972-09-01 | 1972-09-01 | EasternDaylight2 | ISNE | 8500 | NotApplicableClass | ShortTerm | Monthly | NotApplicableIncrementPeaking | New | ||
| Green Mountain Power Corporation | ISO New England Inc | ENERGY | NE0104414 | 2025-09-30 23:00 | 2025-09-30 23:59 | 2025-09-29 | 1 | $27.03 | $/MWH | $0.00 | $27.03 | FERC Electric Tariff No. 8 | ISO-NE MPSA | New | 1972-09-01 | 1972-09-01 | EasternDaylight2 | ISNE | 614 | NotApplicableClass | ShortTerm | Hourly | OffPeak | New | ||
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 Name | Company Address |
|---|---|
| Green Mountain Power Corp | 163 Acorn Lane Colchester, VT 5446 |
| Green Mountain Power Corporation | 163 Acorn Lane Colchester, VT 05446 |
| Green Mountain Power Corporation | 68-70 Merchants Row Rutland, VT 05701 |