Holtec International and Eos Energy Storage (Eos), the developer of the Znyth® Direct Current (DC) Battery Energy Storage System, have formed HI-POWER, LLC, a multi-gigawatt manufacturing joint venture to mass produce state-of-the-art aqueous zinc batteries for industrial-scale energy storage.

Ukrainian Module Consortium

Ukrainian Module Consortium

Ukrainian Module Consortium LLC was established on a voluntary basis in pursuance of the Partnership Agreement objectives between Holtec International, State Enterprise “National Nuclear Energy Generating Company “Energoatom” and State Enterprise “State Scientific and Technical Center for Nuclear and Radiation Safety”. The purpose of the Consortium is to facilitate activities regarding deployment of the SMR-160 modular reactors technology in Ukraine.

Holtec Decommissioning International

HDI functions as the licensed operator for Holtec owned nuclear power plants. HDI provides the licensee oversight of Comprehensive Decommissioning International (CDI), Holtec and SNC-Lavalin’s jointly owned decommissioning general contractor. HDI additionally, manages the decommissioning trust fund and other owner interests, such as licensing strategy, insurance, land and government interface.


Nuclear Consultants International

Nuclear Consultants International, LLC (NCI) is an autonomously constituted business unit of Holtec International. NCI was chartered to support nuclear utility and industrial companies with management and technology support services.

Holtec Government Services

HGS was established in 2012 with the assigned mission to provide services to federal, state, and municipal governments in the fields of national defense, and carbon-free energy technologies including nuclear, solar, geothermal, and wind power.


SMR, LLC is a Holtec subsidiary established in 2011 to manage the development of Holtec’s small modular reactor, SMR-160 (power output :160 MW(e)) envisaged to be the transformative nuclear generation technology heralding the safety maturation of commercial nuclear energy in the 21st century.

Holtec Asia

Holtec Asia is a Holtec International subsidiary based in Pune, India. Holtec Asia provides design and analysis services to its U.S. parent and also executes turnkey equipment supply contracts for projects in South Asia, Southeast Asia, Middle East, and North Africa.

Nuclear Power Division

The Nuclear Power Division (NPD) implements Holtec’s business strategy of insuring utmost quality, safety, and client satisfaction through a vertically integrated supply of goods and services. NPD possesses all necessary technical resources to complete a turnkey project with the manufacturing carried out by its sister division Holtec Manufacturing Division.

Heat Transfer Division

The Heat Transfer Division (HTD) provides custom engineered equipment such as tubular heat exchangers and pressure vessels for the power generation, petro-chemical and chemical industries. The main focus of HTD’s business concentration is the large and complex heat transfer equipment essential to the operation of a power plant.

Holtec Britain

Holtec Britain

Holtec Britain forms a key part of Holtec’s project execution team for the Sizewell B Dry Storage Project with EDF Energy, the first of its kind in the country.  Holtec Britain’s capabilities include project management, design engineering, manufacturing oversight and site services.

Holtec Brasil

Holtec Brasil

Holtec do Brasil is an international division of Holtec International, registered and operated in Rio de Janeiro, Brazil. Holtec do Brasil forms a key part of Holtec’s project execution team for the Angra Dry Storage Project with Eletrobras Eletronuclear, the first of its kind in the country.