Award

Avalanche Photodiode Detectors (APD)

UK ATOMIC ENERGY AUTHORITY

This public procurement record has 1 release in its history.

Award

05 Dec 2025 at 16:03

Summary of the contracting process

The UK Atomic Energy Authority, a central government public authority, undertook a direct procurement process for Avalanche Photodiode Detectors (APD), specifically designed to detect Thomson scattered light in the visible-IR region. This tender encompasses the procurement of 125 APD detectors featuring on-board diodes for temperature sensitivity detection, which will be integrated into spectrometers for use in Thomson scattering systems. Located at Culham Science Centre, Oxfordshire, the process has reached the award stage as of 5th December 2025, with a completion deadline set for 18th May 2026. The procurement method utilised was below-threshold, proceeding without competition, and falls under the category of goods. The contracted supplier for this award is SOLID STATE SUPPLIES LIMITED, based in Redditch, with the contract being valued at approximately USD 84,785 excluding tax.

This tender offers solid opportunities for businesses specialising in optoelectronic components, especially those adept in photodiode technology and optical detection systems. Companies operating within the electronics supply chain and possessing the capability to integrate advanced detection mechanisms into scientific instrumentation may find lucrative growth prospects through such contracts. The direct procurement method, used here for public authorities, may appeal to established large-scale suppliers who are strategically positioned to fulfil the requirements efficiently and with precision, promoting business expansion in the scientific equipment sector.

Find more tenders on our Open Data Platform.
How relevant is this notice?

D3 Tenders Premium

Win More Public Sector Contracts

AI-powered tender discovery, pipeline management, and market intelligence — everything you need to grow your public sector business.

Notice Title

Avalanche Photodiode Detectors (APD)

Notice Description

The UK Atomic Energy Authority has a requirement for Quantity 125 Avalanche Photodiode Detector (APD) to detect Thomson scattered light in the visible-IR region (750-1100nm). The APD detector should have an on board diode for temperature sensitivity detection. These detectors will be built into spectrometers (Polychromators) for application on Thomson scattering systems.

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05f00e
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/080299-2025
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Direct
Procurement Method Details
Below threshold - without competition
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

31 - Electrical machinery, apparatus, equipment and consumables; lighting


CPV Codes

31712340 - Diodes

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
£84,785 Under £100K

Notice Dates

Publication Date
5 Dec 20252 months ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
5 Dec 20252 months ago
Contract Period
5 Dec 2025 - 18 May 2026 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Contracting Authority (Buyer)

Main Buyer
UK ATOMIC ENERGY AUTHORITY
Contact Name
Not specified
Contact Email
robert.franklin@ukaea.uk
Contact Phone
Not specified

Buyer Location

Locality
OXFORDSHIRE
Postcode
OX14 3DB
Post Town
Oxford
Country
England

Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ14 Oxfordshire CC
Delivery Location
Not specified

Local Authority
South Oxfordshire
Electoral Ward
Sandford & the Wittenhams
Westminster Constituency
Didcot and Wantage

Supplier Information

Number of Suppliers
1
Supplier Name

SOLID STATE SUPPLIES

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-h6vhtk-05f00e-2025-12-05T16:03:32Z",
    "date": "2025-12-05T16:03:32Z",
    "ocid": "ocds-h6vhtk-05f00e",
    "initiationType": "tender",
    "parties": [
        {
            "id": "GB-PPON-PLJV-1169-JTDD",
            "name": "UK Atomic Energy Authority",
            "identifier": {
                "scheme": "GB-PPON",
                "id": "PLJV-1169-JTDD"
            },
            "address": {
                "streetAddress": "Culham Science Centre",
                "locality": "Oxfordshire",
                "postalCode": "OX14 3DB",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKJ14"
            },
            "contactPoint": {
                "email": "Robert.Franklin@ukaea.uk"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "classifications": [
                    {
                        "id": "publicAuthorityCentralGovernment",
                        "scheme": "UK_CA_TYPE",
                        "description": "Public authority - central government"
                    }
                ]
            }
        },
        {
            "id": "GB-COH-05386353",
            "name": "SOLID STATE SUPPLIES LIMITED",
            "identifier": {
                "scheme": "GB-COH",
                "id": "05386353"
            },
            "additionalIdentifiers": [
                {
                    "scheme": "GB-PPON",
                    "id": "PBMM-8983-XVHY"
                }
            ],
            "address": {
                "streetAddress": "2 Ravensbank Business Park",
                "locality": "Redditch",
                "postalCode": "B98 9EY",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKG12"
            },
            "contactPoint": {
                "email": "compliance@solsta.co.uk"
            },
            "roles": [
                "supplier"
            ],
            "details": {
                "scale": "large",
                "vcse": false
            }
        }
    ],
    "buyer": {
        "id": "GB-PPON-PLJV-1169-JTDD",
        "name": "UK Atomic Energy Authority"
    },
    "tender": {
        "id": "2113589",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Avalanche Photodiode Detectors (APD)",
        "description": "The UK Atomic Energy Authority has a requirement for Quantity 125 Avalanche Photodiode Detector (APD) to detect Thomson scattered light in the visible-IR region (750-1100nm). The APD detector should have an on board diode for temperature sensitivity detection. These detectors will be built into spectrometers (Polychromators) for application on Thomson scattering systems.",
        "status": "complete",
        "procurementMethod": "direct",
        "procurementMethodDetails": "Below threshold - without competition",
        "lots": [
            {
                "id": "1",
                "status": "complete"
            }
        ]
    },
    "awards": [
        {
            "id": "1",
            "status": "active",
            "mainProcurementCategory": "goods",
            "suppliers": [
                {
                    "id": "GB-COH-05386353",
                    "name": "SOLID STATE SUPPLIES LIMITED"
                }
            ],
            "items": [
                {
                    "id": "1",
                    "additionalClassifications": [
                        {
                            "scheme": "CPV",
                            "id": "31712340",
                            "description": "Diodes"
                        }
                    ],
                    "deliveryAddresses": [
                        {
                            "region": "UKJ14",
                            "country": "GB",
                            "countryName": "United Kingdom"
                        }
                    ],
                    "relatedLot": "1"
                }
            ],
            "relatedLots": [
                "1"
            ]
        }
    ],
    "contracts": [
        {
            "id": "1",
            "awardID": "1",
            "status": "active",
            "period": {
                "startDate": "2025-12-05T00:00:00Z",
                "endDate": "2026-05-18T23:59:59+01:00"
            },
            "value": {
                "amountGross": 101742,
                "amount": 84785,
                "currency": "USD"
            },
            "aboveThreshold": false,
            "dateSigned": "2025-12-05T00:00:00Z",
            "documents": [
                {
                    "id": "080299-2025",
                    "documentType": "contractNotice",
                    "noticeType": "UK7",
                    "description": "Contract details notice on Find a Tender",
                    "url": "https://www.find-tender.service.gov.uk/Notice/080299-2025",
                    "datePublished": "2025-12-05T16:03:32Z",
                    "format": "text/html"
                }
            ]
        }
    ],
    "language": "en"
}