What Alpha Generation does

Alpha Generation, LLC (AlphaGen) is a privately held U.S. power generation company formed in January 2024 by ArcLight Capital Partners to consolidate and manage one of the largest private independent power infrastructure portfolios in the country. The company owns and/or operates 26 generation facilities totaling approximately 14,000 megawatts across six states (California, Connecticut, Maryland, New Jersey, New York, and Ohio) and four U.S. RTO/ISO markets (PJM, NYISO, ISO-NE, and CAISO). Its fleet is composed primarily of natural gas combined-cycle, simple-cycle, and peaking units, supplemented by floating power barges (Gowanus, Narrows) and proposed utility-scale battery energy storage systems. Assets include highly efficient combined-cycle facilities such as Keys Energy Center (Siemens F-Class turbines), Lordstown Energy Center (940 MW), Bergen (1,245 MW combined), and Linden (1,639 MW combined), with ancillary capabilities including black-start, synchronous condensing, and fast-start operations that qualify assets for capacity and grid stability revenue streams.

AlphaGen's technology stack centers on physical generation assets rather than software. Notable differentiators include the floating barge stations in Brooklyn (Gowanus at 640 MW and Narrows at 322 MW), dual-fuel configurations across multiple sites providing fuel optionality, and a PCI-based Energy Trading and Risk Management (ETRM) system supporting multi-RTO market participation. The company employs a brownfield uprate and expansion strategy, leveraging existing transmission interconnections and fuel infrastructure to add capacity more efficiently than greenfield development, exemplified by a 2,700 MW PJM development pipeline and 450 MW awarded under PJM's Reliability Resource Initiative. Recent product and technology extensions include a proposed 252 MW / 1,104 MWh battery storage deployment at the Brooklyn barge sites and a repowering proposal to Con Edison for long-term NYC grid solutions.

AlphaGen's business model is built on multi-stream wholesale power revenue: energy sales, capacity market auction revenues, ancillary services (black start, synchronous condensing, peaking), and long-term bilateral power supply agreements. The largest disclosed bilateral agreement is a 10-year contract with Southern Maryland Electric Cooperative (SMECO) for 500 MW of capacity and 400 MW of energy from Keys Energy Center. Revenue at launch was disclosed at approximately $2 billion annually. The company has raised approximately $5.95 billion across its $3.7 billion inaugural corporate financing (October 2024), $500 million ADIA minority investment (January 2025), $750 million senior notes at 6.250% (October 2025), and $1.0 billion CPP Investments minority position (October 2025), with capital deployed into M&A, uprate projects, and growth capital. ArcLight Capital Partners retains majority ownership with strategic minority stakes held by the two sovereign investors.

Name

Alpha Generation

Legal name

Alpha Generation, LLC

Website

https://alphagen.com

Company type

Private

Founded year

2024

Operating status

Operating

Headcount range

101–250 employees

Short description

Alpha Generation operates 26 power generation facilities totaling approximately 14,000 MW across four U.S. RTO markets (PJM, NYISO, ISO-NE, CAISO), supplying dispatchable energy, capacity, and ancillary services to wholesale markets, electric cooperatives, and investor-owned utilities.

Ownership category

akta.pro rank

Product category

Independent Power Generation

NAICS

Electric Power Generation, Transmission and Distribution (2211), Fossil Fuel Electric Power Generation (221112)

SIC

Electric Services (4911)

akta.pro primary industry

National & Regional TSOs (ISO/RTO/Grid Operators) (EUADAAAA)

akta.pro secondary industries

HV Transmission Asset Owners (Transmission Companies/Transcos) (EUADAAAC), Utility-Scale Power Generation Asset Management (EUAEAMAA), Electrical Systems O&M (Substations, Transformers, Switchgear, Protection & Controls) (EUAMAGAH)

Keywords

• Wholesale power generation
• Independent power producer
• Capacity market services
• Ancillary grid services
• Bilateral power supply

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices21 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Personnel, Infrastructure, Technology or R&D, Supply Chain

Revenue model

1. Wholesale Power Generation and Sales: AlphaGen sells electricity and capacity into wholesale markets (PJM, NYISO, ISO-NE, CAISO) through its 26 generation facilities, generating nearly $2 billion in annual revenue across the portfolio. Revenue is derived from energy sales, capacity market payments, ancillary services, and bilateral contracts.
2. Long-Term Bilateral Power Supply Agreements: AlphaGen secures long-term contracted revenues through bilateral agreements with utilities and electric cooperatives, exemplified by a 10-year deal with Southern Maryland Electric Cooperative (SMECO) for 500 MW capacity and 400 MW energy from Keys Energy Center, providing price stability for both parties.
3. Capacity Market and Ancillary Services Revenue: AlphaGen earns revenue from capacity market auctions (PJM, NYISO) and ancillary services including synchronous condensing, black-start capability, peaking capacity, and grid stability services provided by flexible units such as Burlington, Kearny, Linden, Gowanus, and Narrows.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels6 records

Core offering

Alpha Generation owns and operates 26 power generation facilities totaling approximately 14,000 megawatts across four U.S. wholesale markets (PJM, NYISO, ISO-NE, and CAISO) and six states. The company sells electricity, capacity, and ancillary services (including black-start, synchronous condensing, and fast-start) into wholesale power markets and through long-term bilateral contracts with utilities and electric cooperatives.

Product overview

Alpha Generation (AlphaGen) operates a unified power generation portfolio rather than a traditional software platform-plus-modules product architecture. Its offering centers on 26 owned and/or operated generation facilities totaling approximately 14,000 megawatts of power infrastructure across four RTO markets (PJM, NYISO, ISO-NE, and CAISO) and six U.S. states, collectively marketed under the "Reliable Energy Now And Always" brand. The portfolio is composed of named individual generation facilities (Arthur Kill, Astoria, Bergen, Bethlehem, Brandywine, Bridgeport, Burlington, CT Jets, Devon, Gowanus, Kearny, Kleen, Linden, Long Beach, Lordstown, Middletown CT, Middletown OH, Montville, Narrows, New Haven Harbor, Oswego, Keys, and Sewaren) which together constitute AlphaGen's product surface area. Layered on top of these physical assets is a fleet-wide operations, maintenance, and engineering services capability (AlphaGen Fleet Operations & Maintenance Services) that delivers outage management, fleet boiler/rotating-equipment/electrical reliability programs, risk analytics, and ETRM-backed trading operations. Together, the generation facilities and the fleet services layer form AlphaGen's integrated offering to wholesale power markets, utilities, cooperatives, and increasingly to data-center / AI-driven load.

Differentiator

Problem solved

Functional benefit

Products and services

• Arthur Kill Generating Station An 878 MW natural-gas-fired plant consisting of two steam turbines and one gas turbine located in Staten Island, New York City, supplying power to NYISO.
• Astoria Generating Station A 935 MW natural-gas-fired plant in Astoria, Queens, New York City, consisting of four generating units with aggregate average capacity of 957 MW, with ULSD No. 2 fuel oil backup capability.
• Bergen Generating Station (Units 1 & 2) Two combined-cycle natural-gas units totaling 1,245 MW located in Ridgefield, New Jersey, with fuel oil backup for reliability and fuel optionality.
• Bethlehem Energy Center An approximately 900 MW combined-cycle generating station located in Bethlehem, New York.
• Brandywine Power Facility An approximately 290 MW combined-cycle natural-gas-fired generating station located in Prince George's County, Maryland.
• Bridgeport Harbor Station 5 An approximately 500 MW highly efficient combined-cycle generating station located in Bridgeport, Connecticut, equipped with state-of-the-art emissions control technologies.
• Burlington Generating Station Four simple-cycle units on the banks of the Delaware River in Burlington, New Jersey, providing 168 MW of fast-start, black-start, and synchronous condensing capability.
• CT Jets Four remote jet-engine stations located in Cos Cob, Branford, Torrington (Franklin Drive), and Torrington Terminal in Connecticut, comprising 167 MW of capacity in aggregate and capable of rapidly dispatching to meet demand.
• Devon Generating Station Five fast-start peaking units with a total approximate capacity of 175 MW located on the Housatonic River near Long Island Sound in Milford, Connecticut, including four 50 MW dual-fueled combustion turbines.
• Gowanus Generating Station A 260 MW floating power station on Gowanus Bay in Brooklyn, New York, consisting of 32 simple-cycle combustion turbine units across four generating barges—one of the largest floating generating stations in the world.
• Kearny Generating Station Ten simple-cycle units providing 456 MW on the banks of the Hackensack River in South Kearny, New Jersey.
• Kleen Energy Systems (Kleen Power) A 620 MW natural-gas-fired power plant in Middletown, Connecticut, providing critical capacity, energy, and ancillary services.
• Linden Generating Station (CC/CT) A combined-cycle asset with combined capacity of 1,639 MW providing load flexibility between 150 MW and 1,300 MW, with black-start capability and fuel oil backup.
• Long Beach Generating Station Four simple-cycle natural-gas-fired turbines totaling 252 MW of installed capacity, located in Los Angeles County, Long Beach, California.
• Lordstown Energy Center A 940 MW combined-cycle natural-gas-fueled electric generation facility in the village of Lordstown, Ohio.
• Middletown Generating Station (CT) An approximately 762 MW plant along the Connecticut River in Middletown, Connecticut, consisting of three steam units and one combustion turbine capable of powering 600,000 homes.
• Middletown Energy Center (OH) An efficient 483 MW combined-cycle asset located in Butler County, Ohio, within the Duke Ohio transmission zone.
• Montville Generating Station An approximately 500 MW peaking plant along the Thames River in Uncasville, Connecticut, providing enough power to support over 400,000 homes during peak demand periods.
• Narrows Generating Station A 322 MW floating power station in Brooklyn, New York, consisting of 16 simple-cycle combustion turbine units on two floating power barges along the east side of Upper New York Bay.
• New Haven Harbor Generating Station Generation Units 1-4 in New Haven, Connecticut. Unit 1 is an approximately 435 MW dual-fuel capable steam turbine generating station; Units 2-4 are gas-fired peaking turbines with an aggregate capacity of approximately 140 MW.
• Oswego Generating Station A 1,641 MW facility on 93 acres along the south shore of Lake Ontario, consisting of two large primarily oil-fueled steam generators operating as peaking units.
• Keys Energy Center A 761 MW best-in-class combined-cycle facility yielding the most efficient operation in the Maryland region of PJM, located in Brandywine, Maryland.
• Sewaren Generating Station A 538 MW combined-cycle unit located in Woodbridge, New Jersey.
• AlphaGen Fleet Operations & Maintenance Services Centralized fleet-wide engineering, operations, and maintenance services supporting all 26 generation facilities, including fleet boiler programs, rotating equipment programs, transformer/breaker/generator reliability programs, thermal imaging, and outage management across PJM, NYISO, ISO-NE, and CAISO markets.

Quantifiable outcome

• ~14,000 MW of power infrastructure managed across 4 RTO markets (PJM, NYISO, ISO-NE, CAISO)
• +10 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Ten partnerships are on record, tiered strategic co-investor in m&a, counterparty in m&a acquisition, key wholesale market partner / regulator, flagship offtake customer, counterparty advisor, key reliability partner / regulator, key offtake / rfp partner and parent company / flagship owner.

• ArcLight Capital Partners (Brandywine acquisition)strategic co-investor in m&aStrategic or Co-development Partner · 18 May 2026AlphaGen, in partnership with ArcLight Capital Partners, completed the acquisition of Brandywine Power from Onward Energy Holdings — a 250 MW combined-cycle generating facility in Prince George's County, Maryland within PJM's PEPCO Zone. Strengthens AlphaGen's position as the largest private independent power producer in the United States.
• Onward Energy Holdingscounterparty in m&a acquisitionOthers · 18 May 2026Onward Energy Holdings was the seller of Brandywine Power (250 MW combined-cycle facility) in Prince George's County, Maryland to AlphaGen and ArcLight Capital Partners, with transaction completed in May 2026.
• PJM Interconnection (Reliability Backstop Procurement)key wholesale market partner / regulatorOthers · 7 May 2026AlphaGen submitted approximately 2,700 MW of generation uprate and expansion projects to PJM in response to its Reliability Backstop Procurement process, distributed across Maryland, New Jersey, and Ohio. AlphaGen intends to pursue participation in PJM's Reliability Backstop Auction, contracting processes, and bilateral agreements.
• Southern Maryland Electric Cooperative (SMECO)flagship offtake customerOthers · 28 April 2026AlphaGen announced a 10-year electricity supply agreement with SMECO providing 500 MW of capacity and 400 MW of energy from the Keys Energy Center in Brandywine, Maryland. The deal delivers price stability and reliable power supply to SMECO's 181,000 members while securing stable contracted revenues for AlphaGen.
• ACES Power Marketing LLCcounterparty advisorImplementation/ SI/ Consulting Partner · 28 April 2026ACES Power Marketing LLC represented Southern Maryland Electric Cooperative (SMECO) in the transaction, facilitating AlphaGen's 10-year power supply agreement with SMECO.
• NYISO (New York Independent System Operator)key reliability partner / regulatorOthers · 16 April 2026AlphaGen formally withdrew its retirement notices for the Gowanus and Narrows Generating Stations in Brooklyn following NYISO's determination that continued operation of these facilities is required to maintain reliable electric service in NYISO Zone J through at least May 1, 2029.
• Con Edisonkey offtake / rfp partnerOthers · 16 March 2026AlphaGen proposed a portfolio of clean and reliable power projects in response to Con Edison's Request for Information (RFI) for long-term grid solutions in New York City. The proposal includes repowering existing generating stations with new, lower-emission barges and deploying battery energy storage systems to enhance grid stability.
• PJM Interconnectionkey wholesale market partner / regulatorOthers · 7 May 2025AlphaGen projects totaling 450 MW across four facilities in New Jersey, Maryland, and Ohio were selected by PJM Interconnection under its Reliability Resource Initiative for expedited interconnection. PJM selected 51 projects totaling 11.8 GW through this fast-track review process, with 90% expected to be operating by 2030.
• Osaka Gas USA Corporation and Kyuden International Americas Inc.counterparty in m&a acquisitionOthers · 14 April 2025ArcLight Capital Partners' managed fund entered definitive purchase agreements to acquire indirect common equity ownership interests in Kleen Energy Systems, LLC (Kleen Power) from Osaka Gas USA Corporation and Kyuden International Americas Inc. Following closing, Alpha Generation Services, LLC assumed management of Kleen Power. Kleen is a 620 MW natural gas combined-cycle plant in Middletown, CT, one of New England's most efficient natural gas-fired assets. Transaction expected to close in 2025 subject to regulatory approvals.
• ArcLight Capital Partnersparent company / flagship ownerStrategic or Co-development Partner · 10 January 2024ArcLight Capital Partners formed Alpha Generation, LLC in January 2024 as a strategic partnership to own and operate critical power infrastructure assets. ArcLight has invested over $28 billion in equity capital across 125 transactions totaling approximately $80 billion in enterprise value since 2001. AlphaGen manages ArcLight's power infrastructure portfolio including Eastern Generation, Generation Bridge, and Parkway Generation.

Scale indicators19 records

Recent moves7 records

Expansion highlights7 records

Broad incumbents

• Vistra Corp: Vistra is one of the largest U.S. competitive power generators and retail electricity providers with a large natural gas, coal, and nuclear fleet across multiple RTOs. It is the most direct public-market analog for AlphaGen's scale, fuel mix, and merchant power strategy, and notably employs AlphaGen CEO Curt Morgan as its former CEO.
• Calpine Corporation: Calpine is the largest U.S. fleet of natural gas-fired and geothermal power generation, with assets concentrated in California, Texas, and the Northeast. It directly overlaps AlphaGen's combined-cycle and peaking fleet in PJM, NYISO, and ISO-NE, and its former Treasurer (Stacey Peterson) is now AlphaGen's CFO.
• NRG Energy: NRG is a major competitive power generator and retail electricity provider with significant fossil and renewable generation in PJM, NYISO, ERCOT, and ISO-NE. Its generation portfolio and retail business overlap materially with AlphaGen's wholesale IPP focus, and prior AlphaGen executives held senior roles at NRG.
• Constellation Energy: Constellation is the largest U.S. clean energy producer with a large nuclear, natural gas, and renewables fleet across PJM and other markets. It competes with AlphaGen for capacity market revenues and bilateral deals in PJM, though its portfolio is more weighted to baseload nuclear rather than gas peakers.

Direct peers

• Talen Energy: Talen is an independent power producer with a substantial fleet of natural gas, coal, and nuclear generation across PJM, ERCOT, and the Western U.S. It is one of the most direct merchant power peers to AlphaGen in PJM, where both compete for capacity auction revenues and reliability-must-run contracts.
• LS Power: LS Power is a private infrastructure and power generation investor with a large portfolio of natural gas, renewables, and transmission assets across multiple U.S. markets. It is one of the closest private peer IPPs to AlphaGen in terms of scale, fuel mix, geographic diversification, and infrastructure-private-equity ownership.
• Competitive Power Ventures (CPV): CPV is a private independent power producer focused on developing, owning, and operating natural gas-fired and renewable generation in PJM, ISO-NE, NYISO, and CAISO. Its fleet composition, geographic footprint, and private-equity ownership closely mirror AlphaGen's portfolio and strategy.
• Onward Energy: Onward Energy is a private independent power producer with operating wind, solar, natural gas, and battery storage assets across North America. It is directly comparable as a privately held IPP with a multi-technology portfolio, and was the seller of Brandywine Power to AlphaGen in May 2026.
• GenOn Energy: GenOn is an independent power producer with a large fleet of natural gas and coal generation concentrated in PJM, MISO, and ERCOT. Its merchant power exposure and aging gas/steam turbine fleet position it as a close comparable to AlphaGen in PJM capacity markets.

Emerging players

• Broad Reach Power: Broad Reach Power is a utility-scale battery energy storage developer and operator in U.S. wholesale markets, where AlphaGen is now adding BESS capacity at Gowanus/Narrows. AlphaGen's CFO Stacey Peterson was formerly Broad Reach's CEO, making it a relevant adjacent/storage peer for the energy transition strategy.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/alphagenerationllc

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries8 records

Funding overview

Funding rounds4 records

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Alpha Generation