Garrison Energy Center LLC
591 West Putnam Ave. Greenwich, CT 6830Company Summary Information
Garrison Energy Center LLC is ranked #619 out of 5,093 utilities nationwide in terms of total annual net electricity generation, and they are ranked #328 out of 1,279 utilities in terms of total annual net electricity generation from natural gas.
Garrison Energy Center LLC generated 290.9 GWh during the 3-month period between June 2025 to September 2025.
According to FERC EQR data, Garrison Energy Center LLC had a total of $18.9M in seller transasctions in 2025 Q2.
| Company Name | Garrison Energy Center LLC |
|---|---|
| Location | 591 West Putnam Ave. Greenwich, CT 6830 |
| EIA Utility Type | Independent Power Producer |
| EIA Utility Dates | Jun 2015 to Sep 2025 |
| EIA Annual Generation | 757.6 GWh |
| EIA Power Plants | 1 |
| Fuel Types | Natural Gas Distillate Fuel Oil |
| Ranked #619 out of 5,093 Utilities Nationwide by Annual Generation | |
| Ranked #328 out of 1,279 Utilities Nationwide in terms of Natural Gas Generation | |
FERC Seller Summary
| Seller Dates Available | May 2015 to Oct 2025 |
|---|---|
| Seller Total Transaction Charges | $506.55M |
| Seller Total Transactions | 828,882 |
| Seller 2025 Q2 Transaction Charges | $18.94M |
| Seller 2025 Q2 Transactions | 23,588 |
FERC Buyer Summary
| Buyer Dates Available | May 2015 to Jul 2019 |
|---|---|
| Buyer Total Transaction Charges | $660.43k |
| Buyer Total Transactions | 11,072 |
Map of Garrison Energy Center 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 Garrison Energy Center LLC
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Garrison Energy Center LLC | Dover, Delaware | 688 GWh | May 2015 | Sep 2025 | Natural Gas : 97.4% Distillate Fuel Oil : 2.6% |
Other Companies Listed Alphabetically
A list of companies close to Garrison Energy Center LLC when arranged alphabetically. They do not neccessarily have any association with Garrison Energy Center LLC.
| Company Name | Company Location | EIA Annual Generation | FERC 2025 Q2 Transactions |
|---|---|---|---|
| GALT Power, Inc. | Wilmington, DE | - | $90.06M |
| GANS Energy LLC | GANS, PA | 151.9 GWh | $3.59M |
| GANS Solar LLC | 1.3 GWh | - | |
| Garden Wind LLC | Juno Beach, FL | 372.4 GWh | $4.76M |
| Gardner Solar 1, LLC | Jersey City, NJ | 3.2 GWh | - |
| Gardy's Mill Solar LLC | 22.7 GWh | - | |
| Garkane Energy Coop, Inc | LOA, UT | 22.1 GWh | - |
| Garnet Mesa Solar LLC | 40.2 GWh | - | |
| Garnet Solar Generation Station I LLC | Irvine, CA | 9.4 GWh | - |
| Garnet Wind, LLC | New York, NY | - | $324.20k |
| Gas Recovery Systems Inc | Roseville, CA | 24.7 GWh | - |
| Gasna 36P, LLC | San Francisco, CA | - | $38.74k |
| Gasna 6P, LLC | San Francisco, CA | 25.9 GWh | $635.86k |
| Gaston County Solid Waste And Recycling Division | Dallas, NC | 21.6 GWh | - |
| Gateway Energy Storage, LLC | Pleasanton, CA | -26.0 GWh | $5.16M |
| Gaucho Solar | Charlotte, NC | 34.0 GWh | - |
| Gauley River Power Partners LP | Andover, MS | - | $1.42M |
| Gavin Power, LLC | Cheshire, OH | 13.9 TWh | $168.58M |
| Gay & Robinson Inc | Kaumakani, HI | 45.9 GWh | - |
| Gaylord Entertainment Co | Nashville, TN | 8.1 GWh | - |
All Companies Associated with Garrison Energy Center LLC
A list of all companies associated with Garrison Energy Center LLC in terms of FERC EQR transactions. Total Transaction Charges are based on FERC EQR data obtained since Q3 2013.
| Company Name | 2025 Q2 Transactions w/ Garrison Energy Center LLC |
|---|---|
| PJM Settlement, Inc. | $9.91M |
| Castleton Commodities Energy Services LLC | $9.03M |
| Consolidated Edison Energy, Inc. | - |
| Calpine Energy Services, L.P. | - |
| RWE Clean Energy Wholesale Services, Inc. | - |
Company Contacts
A list of all company contacts obtained from FERC EQR data since 2013
| Contact | Title | Phone | Address | FERC Filing Periods | |
|---|---|---|---|---|---|
| Executive Director | 2024Q4 - 2025Q3 | ||||
| Settlements Manager | 2024Q3 - 2024Q3 | ||||
| Settlements Manager | 2024Q2 - 2024Q2 | ||||
| Settlements Manager | 2022Q4 - 2024Q1 | ||||
| Analyst | 2019Q3 - 2022Q3 | ||||
| Compliance Manager | 2015Q2 - 2019Q2 | ||||
| Compliance Manager | 2014Q4 - 2015Q1 |
The 20 Most Recent FERC EQR Transactions
Displaying Results 1 to 20 of 839,954 ( 0.102s )| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Garrison Energy Center LLC | PJM Settlement, Inc. | CAPACITY | PJMMKRPM09012514397545 | 2025-09-01 00:00 | 2025-10-01 00:00 | 2024-07-30 | 6,957 | $269.92 | $/MW-DAY | $0.00 | $1,877,833.44 | Market-Based Rate Tariff, FERC Electric Tariff, Volume No. 1 | GARCAP | New | 2015-11-01 | 2015-11-01 | EasternPrevailing2 | PJM | PJM | Firm | LongTerm | Yearly | FullPeriod | New | ||
| Garrison Energy Center LLC | Castleton Commodities Energy Services LLC | ENERGY | PJMRTSME09302517703260 | 2025-09-30 22:10 | 2025-09-30 22:15 | 2025-09-30 | 3.1423 | $22.03 | $/MWH | $0.00 | $69.23 | Market-Based Rate Tariff, FERC Electric Tariff, Volume No. 1 | 4515 | New | 2024-11-27 | 2024-11-27 | EasternPrevailing2 | PJM | CARTANZA13.8 KV GARRISON | Firm | ShortTerm | FiveMinute | OnPeak | New | ||
| Garrison Energy Center LLC | Castleton Commodities Energy Services LLC | ENERGY | PJMRTSME09302517703261 | 2025-09-30 22:10 | 2025-09-30 22:15 | 2025-09-30 | 2.1164 | $22.12 | $/MWH | $0.00 | $46.82 | Market-Based Rate Tariff, FERC Electric Tariff, Volume No. 1 | 4515 | New | 2024-11-27 | 2024-11-27 | EasternPrevailing2 | PJM | CARTANZA18 KV GARISON2 | Firm | ShortTerm | FiveMinute | OnPeak | New | ||
| Garrison Energy Center LLC | Castleton Commodities Energy Services LLC | ENERGY | PJMRTSME09302517703259 | 2025-09-30 22:05 | 2025-09-30 22:10 | 2025-09-30 | 7.2099 | $24.57 | $/MWH | $0.00 | $177.15 | Market-Based Rate Tariff, FERC Electric Tariff, Volume No. 1 | 4515 | New | 2024-11-27 | 2024-11-27 | EasternPrevailing2 | PJM | CARTANZA18 KV GARISON2 | Firm | ShortTerm | FiveMinute | OnPeak | New | ||
Garrison Energy Center 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 Name | Company Address |
|---|---|
| Garrison Energy Center LLC | 100 Summit Lake Drive, Suite 210 Valhalla, NY 10595 |
| Garrison Energy Center LLC | 100 Summit Lake Drive Valhalla, NY 10595 |
| Garrison Energy Center LLC | 2200 Atlantic St STE 800 Stamford, CT 06902 |
| Garrison Energy Center LLC | 591 West Putnam Ave. Greenwich, CT 6830 |
| Garrison Energy Center LLC | 717 Texas Ave Houston, TX 77002 |
| Garrison Energy Center LLC | 717 Texas Avenue, Suite 1000 Houston, TX 77002 |