Plug Power
An American hydrogen-energy company developing fuel-cell systems, electrolyzers, hydrogen production, storage, and fueling infrastructure.
Last updated August 21, 2026
Overview
Plug Power is an American hydrogen-energy company that develops and supplies fuel-cell systems, electrolyzers, hydrogen production facilities, storage and distribution equipment, and hydrogen-fueling infrastructure. Its technology is intended to replace or supplement conventional batteries and fossil-fuel powertrains in material-handling equipment, commercial vehicles, stationary power, and industrial energy applications. The company is headquartered in Slingerlands, New York, and has also operated facilities in Spokane, Washington, and Rochester, New York. The business was established in 1997 as a joint venture between DTE Energy and Mechanical Technology Inc. It became a public company in October 1999. Plug Power initially built its market around fuel-cell systems for warehouse and distribution-center equipment, especially forklifts. Its GenDrive platform combines a fuel-cell power unit with hydrogen storage and is designed to fit into spaces normally occupied by lead-acid batteries. Refueling can take minutes rather than the several hours often required to recharge and exchange conventional batteries, while the fuel-cell system is intended to provide relatively consistent power during a work shift. Plug has integrated fuel-cell components produced by both itself and Ballard Power Systems in certain GenDrive configurations. The company later broadened its scope from equipment power to a vertically integrated hydrogen business. GenFuel covers hydrogen supply, storage, delivery, and fueling services, while the company’s mobile refueling systems address customers operating in locations where permanent hydrogen infrastructure is limited. ProGen fuel-cell engines extend the product portfolio to delivery vehicles, medium- and heavy-duty trucks, and off-road equipment. Plug also develops proton-exchange-membrane electrolyzers, which use electricity to split water into hydrogen and oxygen, and has pursued large-scale green-hydrogen production and liquefaction projects. Plug Power’s international strategy has included partnerships and investments involving South Korea and France. In 2021, SK Group announced a planned investment of approximately $1.5 billion for about a 10% interest and proposed a Korean joint venture aimed at serving Asian markets. Plug also signed a memorandum of understanding with Renault to establish a French joint venture focused on hydrogen-powered mobility. These initiatives reflected the company’s effort to participate in fuel-cell vehicles and hydrogen infrastructure beyond its established warehouse-equipment base. The company has experienced significant governance and financial-reporting challenges. Following its 1999 initial public offering, shareholders brought securities-fraud claims concerning alleged misstatements about the company’s technology capabilities and its sales and distribution relationship with General Electric. The consolidated litigation was settled in 2004 for $5 million paid by company directors. In 2021, Plug disclosed that it could not timely file its 2020 annual report and that it would restate financial statements for 2018 and 2019 and certain later quarterly filings. The disclosures led to further shareholder litigation concerning alleged misrepresentations and weaknesses in internal controls. Plug Power’s current business model combines equipment sales, service contracts, hydrogen supply, infrastructure, electrolyzer sales, and project development. Its strategy depends on the expansion of hydrogen demand and infrastructure, the cost and availability of low-carbon electricity and hydrogen, manufacturing execution, and the ability to scale production economically. In January 2024, the company completed a liquid electrolytic hydrogen plant in Woodbine, Georgia, designed for output of 15 tons per day using eight 5-megawatt PEM electrolyzers. The plant forms part of Plug’s effort to connect hydrogen production with its logistics network and customer fueling stations.
History
Plug Power was founded in 1997 as a joint venture between DTE Energy and Mechanical Technology Inc. The company entered the market during a period of intense interest in fuel-cell technology as an alternative to batteries and combustion engines. It went public in October 1999, giving it access to public-market capital while the commercial fuel-cell sector was still developing. Its earliest commercial emphasis was material handling. Plug’s GenDrive systems were designed for forklifts and similar warehouse equipment. The systems combine a fuel cell with hydrogen storage in a form factor intended to occupy the same compartment as a conventional lead-acid battery. Instead of removing equipment from service for lengthy battery charging or exchange, operators can refuel a hydrogen system in a relatively short time. Fuel cells can also maintain a more consistent power output during use. Plug used fuel-cell technology from its own manufacturing operations and, in some systems, components supplied by Ballard Power Systems. After its IPO, Plug faced securities litigation alleging that it had misrepresented the capabilities of its fuel-cell technology and the nature of its sales and distribution relationship with General Electric. In 2000, federal proceedings in the Eastern District of New York consolidated the complaints as Plug Power Inc. Securities Litigation. The case was resolved in December 2004 through a $5 million settlement paid by company directors to plaintiffs. During the 2010s, Plug expanded beyond warehouse equipment. Its GenFuel business addressed hydrogen supply, storage, delivery, and fueling, while mobile refueling units helped serve customers in regions without extensive permanent hydrogen infrastructure. The company developed ProGen fuel-cell engines for road vehicles and industrial equipment. In 2017, it announced first shipments of ProGen engines for electric delivery vehicles and reported GenDrive adoption by a USPS forklift fleet in Capitol Heights, Maryland. In 2020, Plug introduced a 125-kilowatt ProGen engine aimed at class 6, 7, and 8 trucks and heavy-duty off-road applications. International expansion became more prominent around 2021. SK Group announced a planned investment of approximately $1.5 billion for roughly 10% of Plug Power and proposed a South Korean joint venture to supply Asian markets. Plug also signed a memorandum of understanding with Renault concerning a French joint venture for hydrogen mobility. These arrangements supported Plug’s attempt to move from a specialized equipment supplier toward a broader hydrogen ecosystem company. Plug encountered a major reporting disruption in 2021. It filed a notification with the SEC regarding the late filing of its 2020 annual report and subsequently announced that it would restate financial statements for 2018 and 2019, as well as certain more recent quarterly filings. The company also faced shareholder securities litigation alleging misrepresentations and failures to disclose the filing delay and material weaknesses in internal controls over financial reporting. The company’s later strategy emphasized production as well as use of hydrogen. In January 2024, Plug completed a liquid electrolytic hydrogen facility in Woodbine, Georgia. The plant was designed for 15 tons per day of liquid hydrogen production, using eight 5-megawatt PEM electrolyzers to separate water into hydrogen and oxygen. Hydrogen gas is liquefied at approximately -423 degrees Fahrenheit and transported to customer fueling stations through a logistics network using cryogenic trailers. In 2025, Plug announced delivery of the first of ten 10-megawatt GenEco electrolyzers to Galp’s Sines refinery in Portugal. The planned 100-megawatt installation was presented as a way to replace part of the refinery’s gray-hydrogen consumption and reduce carbon dioxide emissions. Plug Power therefore operates across several connected activities: fuel-cell equipment, hydrogen generation, electrolyzer technology, liquefaction, storage, distribution, fueling, and related service arrangements. Its development remains tied to the cost of hydrogen, availability of low-carbon electricity, construction of infrastructure, customer adoption, and the company’s ability to manufacture and operate projects at commercial scale.
- 2025GenEco electrolyzer delivered to Galp
The first of ten planned 10-megawatt GenEco electrolyzers was delivered to Galp’s Sines refinery.
- 2024Georgia liquid hydrogen facility completed
Plug completed a plant designed to produce 15 tons per day of liquid electrolytic hydrogen.
- 2021SK Group investment announced
SK Group announced a planned major investment and Korean joint venture focused on Asian hydrogen markets.
- 2020125 kW ProGen engine introduced
The company introduced a heavy-duty ProGen engine for larger trucks and off-road equipment.
- 2017ProGen delivery-vehicle shipments begin
Plug announced initial ProGen shipments for electric delivery vehicles and GenDrive deployment in a USPS forklift fleet.
- 2004IPO-related securities case settled
The consolidated shareholder litigation was settled for $5 million paid by company directors.
- 1999Initial public offering
Plug Power became publicly traded in October 1999.
- 1997Company founded as a joint venture
Plug Power was established by DTE Energy and Mechanical Technology Inc.
Products and positioning
Vertically integrated hydrogen and fuel-cell technology provider serving material handling, transportation, industrial, and stationary-energy markets.
GenDriveMaterial-handling fuel-cell systems
GenDrive systems provide hydrogen fuel-cell power for forklifts and related warehouse equipment. Their design is intended to fit the battery compartment of compatible electric equipment. Hydrogen refueling can be completed more quickly than conventional battery charging, and the system is designed to maintain consistent power during operation. Plug has supplied GenDrive systems to large logistics and distribution users, including a USPS forklift fleet.
GenFuelHydrogen fueling and services
GenFuel encompasses hydrogen supply, storage, delivery, fueling infrastructure, and related service capabilities. It supports customers that use Plug’s fuel-cell equipment and helps address the operational requirements of hydrogen-powered fleets and industrial sites. Plug also develops mobile refueling solutions for customers that lack access to permanent hydrogen stations.
ProGenFuel-cell engines2017
ProGen is a family of fuel-cell engines designed for vehicles and equipment beyond warehouse forklifts. Plug announced early shipments for electric delivery vehicles in 2017 and later introduced a 125-kilowatt version for class 6, 7, and 8 trucks and heavy-duty off-road equipment. The platform reflects Plug’s effort to extend fuel-cell power into commercial transportation and industrial applications.
PEM electrolyzersHydrogen-production equipment
Plug develops proton-exchange-membrane electrolyzers that use electricity to separate water into hydrogen and oxygen. The systems are used in Plug’s own hydrogen-production projects and are also supplied for industrial applications. The company has pursued multi-megawatt deployments, including the GenEco systems planned for Galp’s Sines refinery.
Mobile refueling solutionsHydrogen infrastructure
Plug’s mobile refuelers provide temporary or relocatable hydrogen-fueling capacity for transit agencies, trucking fleets, and other customers. They are particularly relevant where permanent hydrogen stations are scarce or still under construction, and complement the company’s broader hydrogen production, logistics, and fueling network.
Flagship businesses
- GenDrive
- GenFuel
- ProGen
- PEM electrolyzers
- Mobile refueling solutions
Brand decisions
- 2025Deploy GenEco electrolyzers at Galp refineryProduct launch
Galp planned to reduce reliance on gray hydrogen at its Sines refinery.
What changed. Plug announced delivery of the first of ten 10-megawatt GenEco electrolyzers in a planned 100-megawatt deployment.
Aftermath. The project was expected to replace part of the refinery’s gray-hydrogen consumption and reduce carbon dioxide emissions.
- 2024Scale electrolytic hydrogen productionStrategy
Plug sought to secure hydrogen supply and connect production with its fueling and logistics operations.
What changed. The company completed a Georgia facility designed to produce and liquefy electrolytic hydrogen for delivery to customer fueling stations.
Aftermath. The facility expanded Plug’s role from equipment and infrastructure supplier into hydrogen producer and distributor.
- 2021Pursue international hydrogen partnershipsM&A
Plug aimed to expand fuel-cell and hydrogen activity in Asia and Europe.
What changed. The company announced a planned South Korean partnership with SK Group and signed a memorandum of understanding with Renault for a French joint venture.
Aftermath. The initiatives positioned Plug as a prospective international supplier of hydrogen systems and mobility technology.
Announced SK Group investment. Approximately $1.5 billion announced investment for about 10% of Plug Power (January 2021 announcement)
- 2017Expand ProGen into delivery vehiclesProduct launch
Plug sought to apply its fuel-cell technology beyond warehouse equipment and into commercial transportation.
What changed. The company announced first shipments of ProGen fuel-cell engines designed for electric delivery vehicles.
Aftermath. ProGen became part of Plug’s broader commercial-vehicle and heavy-duty equipment strategy.
Controversies
- 2021Late filing, financial restatements, and control weaknessesControversy
Plug Power disclosed that it could not timely file its 2020 annual report and that it would restate certain prior financial statements. The company faced shareholder litigation concerning alleged disclosure failures and material weaknesses in internal controls over financial reporting.
- 2000IPO-related securities litigationControversy
Shareholders alleged that Plug Power had made misleading statements about its fuel-cell technology capabilities and its sales and distribution relationship with General Electric. The complaints were consolidated in federal court and later settled in 2004 for $5 million paid by company directors.
Recent events
- 2025Plug Power delivers first GenEco electrolyzer to Galp
Plug Power announced delivery of the first of ten 10-megawatt GenEco electrolyzers to Galp’s Sines refinery as part of a planned 100-megawatt deployment.
Product launch - 2024Plug Power completes Georgia liquid hydrogen plant
The company completed a Woodbine, Georgia, plant designed to produce 15 tons per day of liquid electrolytic hydrogen using eight 5-megawatt PEM electrolyzers.
Product launch - 2021SK Group announces major investment and Korean partnership
SK Group announced an intended investment of approximately $1.5 billion for about 10% of Plug Power and plans for a South Korean joint venture serving Asian hydrogen markets.
M&A - 2021Plug Power and Renault sign hydrogen-mobility memorandum
Plug Power and Renault announced a memorandum of understanding concerning a planned French joint venture for hydrogen-powered mobility.
M&A - 2020Plug Power introduces 125 kW ProGen engines
Plug Power introduced 125-kilowatt ProGen fuel-cell engines for class 6, 7, and 8 trucks and heavy-duty off-road equipment.
Product launchProduct generation - 2017Plug Power ships ProGen engines and expands GenDrive adoption
The company announced initial shipments of ProGen fuel-cell engines for electric delivery vehicles and adoption of GenDrive systems by a United States Postal Service forklift fleet in Maryland.
Product launchProduct generation - 1999Plug Power becomes a public company
Plug Power completed its initial public offering in October 1999.
Other
Sources
Cite this profile: Cite the canonical profile. /brand-wiki/plug-power · Editorial policy · How profiles are compiled