National Grid Generation LLC

175 East Old Country RD. Hicksville, NY 11801

Company Summary Information

National Grid Generation LLC is ranked #166 out of 4,996 utilities nationwide in terms of total annual net electricity generation, and they are ranked #103 out of 1,271 utilities in terms of total annual net electricity generation from natural gas.

National Grid Generation LLC generated 1.5 TWh during the 3-month period between September 2024 to December 2024.

According to FERC EQR data, National Grid Generation LLC had a total of $92.9M in seller transasctions in 2025 Q1.

Company NameNational Grid Generation LLC
Location175 East Old Country RD. Hicksville, NY 11801
EIA Utility TypeInvestor-Owned Utility
EIA Utility DatesJan 2001 to Apr 2025
EIA Annual Generation 5.6 TWh
EIA Power Plants14
Fuel Types Natural Gas Residual Fuel Oil Distillate Fuel Oil Waste Oil
Ranked #166 out of 4,996 Utilities Nationwide by Annual Generation
Ranked #103 out of 1,271 Utilities Nationwide in terms of Natural Gas Generation

FERC Seller Summary

Seller Dates AvailableJul 2013 to Mar 2025
Seller Total Transaction Charges$4.99B
Seller Total Transactions1,688
Seller 2025 Q1 Transaction Charges$92.95M
Seller 2025 Q1 Transactions38

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Monthly Electricity Generation by Type

Monthly electricity generation by source as reported by the EIA

Natural Gas
Residual Fuel Oil
Distillate Fuel Oil
Waste Oil
1M1M900k900k600k600k300k300k0020012001200220022003200320042004200520052006200620072007200820082009200920102010201120112012201220132013201420142015201520162016201720172018201820192019202020202021202120222022202320232024202420252025
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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 National Grid Generation LLC

PlantLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
E F BarrettIsland Park, New York1 TWhOct 1956Apr 2025 Natural Gas : 98.8% Residual Fuel Oil : 0.9%
East HamptonEast Hampton, New York12 GWhNov 1962Dec 2024 Distillate Fuel Oil
Far RockawayFar Rockaway, New York--Dec 2012
GlenwoodGlenwood Landing, New York3 GWhMay 1972Dec 2024 Distillate Fuel Oil
Glenwood LandingGlenwood Landing, New York129 GWhMar 1967Dec 2024 Natural Gas : 84.2% Distillate Fuel Oil : 15.8%
HoltsvilleHoltsville, New York21 GWhJun 1974Dec 2024 Kerosene
MontaukMontour, New York--May 2013
NorthportNorthport, New York4 TWhFeb 1967Apr 2025 Natural Gas : 94.6% Residual Fuel Oil : 5.4%
Port JeffersonPort Jefferson, New York325 GWhOct 1958Apr 2025 Natural Gas : 92.7% Residual Fuel Oil : 6.8% Distillate Fuel Oil : 0.5%
ShorehamWading River, New York353 MWhMar 1966Dec 2024 Distillate Fuel Oil
South HamptonSouthampton, New York42 MWhFeb 1963Dec 2024 Distillate Fuel Oil
SoutholdGreenport, New York686 MWhJul 1964Dec 2024 Distillate Fuel Oil
Wading RiverShoreham, New York6 GWhJul 1989Dec 2024 Distillate Fuel Oil
West BabylonWest Babylon, New York-Jul 1971Aug 2021

Other Companies Listed Alphabetically

A list of companies close to National Grid Generation LLC when arranged alphabetically. They do not neccessarily have any association with National Grid Generation LLC.

Company NameCompany LocationEIA Annual
Generation
FERC 2025 Q1
Transactions
Naknek Electric Assn, IncNaknek, AK24.0 GWh-
Nalco CoNaperville, IL21.6 GWh-
Nalcor Energy Marketing CorporationSt. John's, NL-$21.26M
Naples Casco Solar 1, LLCJersey City, NJ2.7 GWh-
Narragansett Bay CommissionProvidence, RI7.2 GWh-
NASH 97 Solar 2, LLCScottsdale, AZ9.0 GWh-
Nashville Electric ServiceNashville, TN2.6 GWh-
Natick MallNatick, MA3.7 GWh-
National Centers For Animal HealthAMES, IA10.7 GWh-
National Gas & Electric, LLCBirmingham, AL-$110.30k
National Grid RenewablesBloomington, MN852.6 GWh$168.00k
National Grid-Glenwood Energy Center, LLCPort Jefferson, NY-$3.73M
National Grid-Port Jefferson Energy Center, LLCPort Jefferson, NY-$2.45M
National Institutes Of HealthBethesda, MD165.3 GWh-
National RaisinFowler, CA5.0 GWh-
National Salvage & Service CorporationBloomington, IN300.5 GWh-
Nationwide Solar Energy LLCAVON, CT5.7 GWh-
Naturener Glacier Wind Energy 1 LLCPalm Beach Gardens, FL262.2 GWh-
Naturener Glacier Wind Energy 2 LLCPalm Beach Gardens, FL303.4 GWh-
Naturener Rim Rock Energy LLCPalm Beach Gardens, FL656.2 GWh-

All Companies Associated with National Grid Generation LLC

A list of all companies associated with National Grid Generation LLC in terms of FERC EQR transactions. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.

Company Name2025 Q1 Transactions w/
National Grid Generation LLC
Long Island Lighting Company D/B/A LIPA$92.95M
Long Island Power Authority-

Company Contacts

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

ContactTitlePhoneEmailAddressFERC Filing Periods
Finance Business Partner2020Q2 - 2025Q1
Finance Business Partner|Finance Business Partner - Gen2018Q1 - 2020Q1
Associate Financial Analyst2017Q2 - 2017Q4
Account Manager|Director, Transmission Commercial Services|Lead Account Manager2013Q3 - 2017Q1
Counsel2013Q4 - 2014Q1

The 20 Most Recent FERC EQR Transactions

Displaying Results 1 to 20 of 1,688   ( 0.032s )
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
National Grid Generation LLCLong Island Lighting Company, d/b/a LIPAOTHERT282025-03-01 00:012025-03-31 23:591997-05-271$7,453.29FLAT RATE$0.00$7,453.29A&R PSA, Amended And Restated Power Supply Agreement, 3.0.0C1New1997-06-272013-05-282028-04-30EasternPrevailing2NYISNYISFirmShortTermMonthlyFullPeriodNew
National Grid Generation LLCLong Island Lighting Company, d/b/a LIPAOTHERT272025-03-01 00:012025-03-31 23:591997-05-271$11,300.53FLAT RATE$0.00$11,300.53A&R PSA, Amended And Restated Power Supply Agreement, 3.0.0C1New1997-06-272013-05-282028-04-30EasternPrevailing2NYISNYISFirmShortTermMonthlyFullPeriodNew
National Grid Generation LLCLong Island Lighting Company, d/b/a LIPAOTHERT292025-03-01 00:012025-03-31 23:591997-05-271$35,807.90FLAT RATE$0.00$35,807.90A&R PSA, Amended And Restated Power Supply Agreement, 3.0.0C1New1997-06-272013-05-282028-04-30EasternPrevailing2NYISNYISFirmShortTermMonthlyFullPeriodNew
National Grid Generation LLCLong Island Lighting Company, d/b/a LIPAOTHERT302025-03-01 00:012025-03-31 23:591997-05-271$23,558.23FLAT RATE$0.00$23,558.23A&R PSA, Amended And Restated Power Supply Agreement, 3.0.0C1New1997-06-272013-05-282028-04-30EasternPrevailing2NYISNYISFirmShortTermMonthlyFullPeriodNew

National Grid Generation 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
National Grid Generation LLC175 East Old Country RD. Hicksville, NY 11801
National Grid Generation LLC175 East Old Country Road Hicksville, NY 11801
National Grid Generation LLC301 Waterside Avenue Fort Salonga, NY 11768
National Grid Generation LLC40 Sylvan Road Waltham, MA 02451
National Grid Generation LLC700 Beach Street Port Jefferson, NY 11777