Programmes and agreements / prg-hu-mvm-holtec-smr300-mou

MVM and Holtec memorandum to explore SMR-300 deployment in Hungary

In December 2025 Holtec announced a memorandum with Hungarian state energy group MVM to explore deploying SMR-300 units in Hungary, building on the November 2025 US-Hungary nuclear energy MoU. No site, order or licence is recorded.

Not a deployment project. SMR plans, agreements, studies and government programmes that are not (yet) a single deployment project. They are listed separately and are never counted as projects or reactors.

Type

Cooperation agreement or MOU

Countries concerned

Hungary

Participants and roles

• Utility: MVM
• Developer or vendor: Holtec International

Designs named

Holtec SMR-300

Scale as stated

number of units not stated by Holtec (WNA reports up to ten)

Announced or first reported

Dec 2025

Status

Active
MoU to explore deployment, no site, order or licence.

Confidence

low

Last checked

2026-10-14 (record review date, not proof of current activity)

Related deployment projects

• No related deployment project is recorded here.

Sources

• Holtec signs MoU for SMRs in Hungary (reputable_press, published 17 Dec 2025, accessed 2026-10-14)
• Holtec signs MoU for SMRs in Hungary (reputable_press, published 17 Dec 2025, accessed 2026-10-14)