SEMASS Partnership

141 Cranberry HWY West Wareham, MA 2576

Company Summary Information

SEMASS Partnership is ranked #714 out of 4,889 utilities nationwide in terms of total annual net electricity generation, and they are ranked #7 out of 109 utilities in terms of total annual net electricity generation from other fuel.

SEMASS Partnership generated 195.8 GWh during the 3-month period between November 2024 to February 2025.

According to FERC EQR data, SEMASS Partnership had a total of $7.3M in seller transasctions in 2024 Q4.

Company NameSEMASS Partnership
Location141 Cranberry HWY West Wareham, MA 2576
EIA Utility TypeCommercial
EIA Utility DatesJan 2001 to Feb 2025
EIA Annual Generation 611.8 GWh
EIA Power Plants1
Fuel Types Other Fuel Biogenic Municipal Solid Waste and Landfill Gas Natural Gas Distillate Fuel Oil
Ranked #714 out of 4,889 Utilities Nationwide by Annual Generation
Ranked #7 out of 109 Utilities Nationwide in terms of Other Fuel Generation

FERC Seller Summary

Seller Dates AvailableJul 2013 to Dec 2024
Seller Total Transaction Charges$345.96M
Seller Total Transactions119,303
Seller 2024 Q4 Transaction Charges$7.32M
Seller 2024 Q4 Transactions4,291

Map of SEMASS Partnership Locations

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Monthly Electricity Generation by Type

Monthly electricity generation by source as reported by the EIA

Other Fuel
Biogenic Municipal Solid Waste and Landfill Gas
Natural Gas
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 SEMASS Partnership

PlantLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
SEMASS Resource RecoveryWest Wareham, Massachusetts567 GWhJun 1988Feb 2025 Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.3% Natural Gas : 1.6%

Other Companies Listed Alphabetically

A list of companies close to SEMASS Partnership when arranged alphabetically. They do not neccessarily have any association with SEMASS Partnership.

Company NameCompany LocationEIA Annual
Generation
FERC 2024 Q4
Transactions
Sec LHNY Solar One, LLCJuno Beach, FL1.5 GWh-
Second Foundation US Trading, LLCNew York, NY-$27.67M
Segunda Solar II, LLCSan Francisco, CA6.2 GWh-
Seiling Wind II, LLCJuno Beach, FL-$2.02M
Seiling Wind, LLCJuno Beach, FL-$3.01M
Selective InsuranceBranchville, NJ3.8 GWh-
Selkirk Cogen Partners LPSelkirk, NY339.2 GWh$2.78M
Selmer Farm, LLCNew York, NY-$433.08k
Selmer North Solar I, LLCNashville, TN29.2 GWh-
Selmer North Solar II, LLCNashville, TN11.8 GWh-
Seminole Electric Cooperative IncTampa, FL14.6 TWh$50.48M
Sempra Gas & Power Marketing, LLCSan Diego, CA-$78.10M
Sendero Wind Energy, LLCBaltimore, MD293.2 GWh-
Seneca Energy IIOakfield, NY188.0 GWh-
Seneca Energy, II LLCOakfield, NY-$7.17M
Seneca Generation LLCWarren, PA-409.6 GWh$12.96M
Seneca NationIrving, NY3.3 GWh-
Seneca Power Partners LPBatavia, NY6.1 GWh$468.25k
Seneca Sustainable Energy LLC144.3 GWh-
Sentinel Energy Center LLCDesert Hot Springs, CA343.7 GWh$18.17M

All Companies Associated with SEMASS Partnership

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

Company Name2024 Q4 Transactions w/
SEMASS Partnership
ISO New England Inc.$7.32M
Commonwealth Electric Company-

Company Contacts

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

ContactTitlePhoneEmailAddressFERC Filing Periods
Manager of Power Markets2013Q3 - 2024Q4

The 20 Most Recent FERC EQR Transactions

Displaying Results 1 to 20 of 119,303   ( 0.027s )
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
SEMASS PartnershipISO New England IncENERGYNE01022312024-12-31 23:002024-12-31 23:592024-12-3016$35.53$/MWH$0.00$568.48FERC_TARIFF_REFERENCEISO-NE MPSANew2017-12-012017-12-01EasternStandard2ISNE562NotApplicableClassShortTermHourlyOffPeakNew
SEMASS PartnershipISO New England IncENERGYNE01029752024-12-31 23:002024-12-31 23:592024-12-3047$37.07$/MWH$0.00$1,742.29FERC_TARIFF_REFERENCEISO-NE MPSANew2017-12-012017-12-01EasternStandard2ISNE563NotApplicableClassShortTermHourlyOffPeakNew
SEMASS PartnershipISO New England IncENERGYNE01029742024-12-31 22:002024-12-31 22:592024-12-3047$38.15$/MWH$0.00$1,793.05FERC_TARIFF_REFERENCEISO-NE MPSANew2017-12-012017-12-01EasternStandard2ISNE563NotApplicableClassShortTermHourlyOnPeakNew
SEMASS PartnershipISO New England IncENERGYNE01022302024-12-31 22:002024-12-31 22:592024-12-3016$36.64$/MWH$0.00$586.24FERC_TARIFF_REFERENCEISO-NE MPSANew2017-12-012017-12-01EasternStandard2ISNE562NotApplicableClassShortTermHourlyOnPeakNew

SEMASS Partnership 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
SEMASS Partnership141 Cranberry HWY West Wareham, MA 2576
SEMASS Partnership445 South Street Morristown, NJ 07960