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CapexCue · Public evidence · Printed 11 Nov 2026
Explore projects / Project dossier

Extension of waste-storage capacity of INB 116 “UP3-A” at La Hague

France · Water and environment

In-depth research Release 1

Project scope

Plan: A substantial modification of INB 116 involving added capacity for two waste streams: compacted waste packages (CSD-C) and vitrified waste packages (CSD-V). The facilities are described as additions to existing installations within the site's already fenced and industrialized perimeter, with no outward site expansion.

Reported status and procurement

Reported development

Temporary storage of conditioned radioactive waste pending its eventual transfer to the Cigéo geological disposal facility. The compacted CSD-C stream consists principally of metal components from fuel assemblies; the vitrified CSD-V stream contains vitrified fission-product waste.

Procurement availability
Unknown / not established

Reported regulatory context

The dossier includes an application for authorization of a substantial modification to INB 116 and an environmental assessment. The opinion describes a public inquiry planned for 2026, after which the application is to be sent to the minister responsible for nuclear safety; following an ASNR opinion, a report to the Prime Minister is to propose authorization by decree. The environmental authority's opinion is advisory: it is neither favorable nor unfavorable and does not itself authorize the project.

A source report alone does not establish current progress or an open buying window.

Project summary

An environmental authority opinion dated 18 December 2025 concerns planned additions to INB 116 (UP3-A) at Orano La Hague for compacted CSD-C and vitrified CSD-V waste. The opinion describes E/ECC2 as adding capacity for 24,968 CSD-C packages. E/EV/LH3 comprises two planned pits, each with capacity for 4,212 CSD-V packages; the opinion states a resulting site capacity of 33,300 CSD-V.

The schedule reported in the opinion planned E/ECC2 construction for 2026–2032, with commissioning in 2034, and E/EV/LH3 construction for 2027–2037. Pit 70 was scheduled to enter service in September 2032 and pit 80 in 2037. A public inquiry was planned for 2026. The environmental authority’s opinion is advisory, neither favorable nor unfavorable, and does not authorize the project.

The authority identifies long-term releases, human health, climate vulnerability and cumulative site impacts as concerns, and requests further analysis. These recommendations are not evidence that the requested work has been completed.

This account is based on selected portions of the opinion dated 18 December 2025 and does not establish later project outcomes.

Evidence limits and unknowns

The opinion describes the 2026 inquiry and later authorization steps as planned; the supplied portions do not establish whether the inquiry, authorization or construction milestones subsequently occurred.

The selected portions do not identify the applicant or maître d’ouvrage by name, a contractor, procurement plan, budget, financing, or supplier selection.

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Project metadata

Country
France
Based on reviewed release evidence
Region
Europe
Category
Water and environment
Derived from released evidence
Physical assets
Not classified

Based on this release's supporting evidence. Unresolved fields remain unclassified; these labels do not establish current progress or a buying window.

Released facts and supporting evidence

Each fact retains its source, uncertainty and time context. If a publisher page moves or is unavailable, use the recorded quotation and observation date below.

Project name

Source reported

Extension of waste-storage capacity of INB 116 “UP3-A” at La Hague

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · Extension of waste-storage capacity of INB 116 “UP3-A” …
Evidence location
page:2
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
86fbe77d-6235-49d2-8c53-5fdac97e9d86
Evidence reference
13cb5443-db1c-4cac-925f-6f5fdbe678ab
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf

Scope

Planned

A substantial modification of INB 116 involving added capacity for two waste streams: compacted waste packages (CSD-C) and vitrified waste packages (CSD-V). The facilities are described as additions to existing installations within the site's already fenced and industrialized perimeter, with no outward site expansion.

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · A substantial modification of INB 116 involving added …
Evidence location
page:3
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
978452ee-676b-448b-aa21-547ad305cfff
Evidence reference
8ea8c5ef-ec34-4c4d-8b71-d280874c8d65
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf

Country

Source reported

France

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · France
Evidence location
page:4
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
e2662d7a-112c-422a-b19f-e56e6f166a28
Evidence reference
de4237e1-62ad-464d-99ad-95a74e26c616
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf

Project ecology

Source reported

The environmental review identifies long-term control of radioactive and chemical releases, human health, climate vulnerability and cumulative effects with other site operations as key concerns. It reports very low chemical or radioactive releases from the new facilities, but says some chemical releases at the wider La Hague site are near or above concern thresholds and recommends better treatment of release variability, cumulative or interactive effects, and Natura 2000 impacts. It also calls for fuller assessment of prolonged storage, climate-related temperature conditions and concrete-temperature exceedances for E/EV/LH3, and for cumulative project schedules and traffic/material flows. These are review findings and requests for further analysis, not findings that the recommended work has been completed.

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · The environmental review identifies long-term control of radioactive …
Evidence location
page:3
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
1a2d8bad-505e-4cf9-8d6c-149f02cacab3
Evidence reference
8ea8c5ef-ec34-4c4d-8b71-d280874c8d65
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf

Current activity

Source reported

Temporary storage of conditioned radioactive waste pending its eventual transfer to the Cigéo geological disposal facility. The compacted CSD-C stream consists principally of metal components from fuel assemblies; the vitrified CSD-V stream contains vitrified fission-product waste.

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · Temporary storage of conditioned radioactive waste pending its …
Evidence location
page:5
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
ca980d76-beff-4755-81f0-bc6dd0d34f64
Evidence reference
b7e05907-1a37-472b-b6c8-c3eba7593a09
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf

Location

Source reported

Orano La Hague industrial site, in the northwest of the Manche department, in a rural and coastal setting. E/ECC2 is planned immediately west of the existing ECC workshop and north of the E/ECC extension described as under construction.

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · Orano La Hague industrial site, in the northwest …
Evidence location
page:4
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
5f0a194a-de72-4eed-b892-704596d1620f
Evidence reference
de4237e1-62ad-464d-99ad-95a74e26c616
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf

Regulatory evidence

Source reported

The dossier includes an application for authorization of a substantial modification to INB 116 and an environmental assessment. The opinion describes a public inquiry planned for 2026, after which the application is to be sent to the minister responsible for nuclear safety; following an ASNR opinion, a report to the Prime Minister is to propose authorization by decree. The environmental authority's opinion is advisory: it is neither favorable nor unfavorable and does not itself authorize the project.

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · The dossier includes an application for authorization of …
Evidence location
page:2
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
47544411-0dac-4e07-ac75-173808db6c88
Evidence reference
13cb5443-db1c-4cac-925f-6f5fdbe678ab
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf

Next milestone

Planned

A public inquiry was planned for 2026, followed by further authorization review; the supplied material does not establish that the inquiry or subsequent authorization has occurred.

Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts.

Source: IGEDD environmental authority native opinion text · publication date not recorded · observed 2026-10-02

Sources and evidence · IGEDD environmental authority native opinion text
Source published: Not recordedObserved: 2026-10-02

IGEDD environmental authority native opinion text
Attributed to IGEDD Autorité environnementale opinion: authority synthesis and attributed developer facts

Technical record · A public inquiry was planned for 2026, followed …
Evidence location
page:11
Claim confidence
0.90 on a 0–1 evidence-support scaleNot a probability of project success or procurement availability.
Claim reference
349709fc-e1ec-43d7-a272-d6294558d047
Evidence reference
77f6568d-d519-4e5f-8401-87de77a38cb1
Source revision
94d31938-fb78-497e-9c65-15e8df57e14f
Content fingerprint
a70b6fe9e547dcf13a7a3e3f0fdf4ec3e17a6d453fedb527d9e15e103884b8d7
Source address
https://www.igedd.developpement-durable.gouv.fr/IMG/pdf/2_-_extension_des_capacites_d_entreposage_de_dechets_nucleaires_de_l_inb_116_-_la_hague_50__cle64f781.pdf
Source report history

Prior and superseded states remain labelled. Dates below identify source publication when known, otherwise source observation. They are not assumed event dates; each fact retains its own time qualifications.

  1. No material timeline events have been released.

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