Notice Information
Notice Title
4.8MW Substation design and installation
Notice Description
Design and construction of 4.8 MW substation on the island of Eday, Orkney
Lot Information
Lot 1
We wish to appoint a contractor to design, procure, install and commission a 4.8 MW onshore tidal generation substation. Design Works - Site layout design. - Civil design of the substation. - Electrical design of the substation lighting and small power circuits. - Electrical design for the balance of plant equipment required to facilitate the power export. - Electrical design of the site earthing system. Construction works - Construction of the substation building(s). - Construction of foundation for SSEN shunt reactor. - Supply and construction of earthing systems. - Supply and construction installation of the 33 kV and 11 kV switchgear, and transformer and associated equipment. - Commissioning of all site equipment. - Provision of documentation.
Notice Details
Publication & Lifecycle
- Open Contracting ID
- ocds-r6ebe6-0000832574
- Publication Source
- Public Contracts Scotland
- Latest Notice
- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556702
- Current Stage
- Tender
- All Stages
- Tender
Procurement Classification
- Notice Type
- OJEU - F2 - Contract Notice
- Procurement Type
- Standard
- Procurement Category
- Works
- Procurement Method
- Open
- Procurement Method Details
- Open procedure
- Tender Suitability
- Not specified
- Awardee Scale
- Not specified
Common Procurement Vocabulary (CPV)
- CPV Divisions
45 - Construction work
71 - Architectural, construction, engineering and inspection services
-
- CPV Codes
45232220 - Substation construction work
45232221 - Transformer substation
71323100 - Electrical power systems design services
Notice Value(s)
- Tender Value
- £1,565,000 £1M-£10M
- Lots Value
- £1,565,000 £1M-£10M
- Awards Value
- Not specified
- Contracts Value
- Not specified
Notice Dates
- Publication Date
- 27 May 20261 weeks ago
- Submission Deadline
- 26 Jun 20263 weeks to go
- Future Notice Date
- Not specified
- Award Date
- Not specified
- Contract Period
- 3 Aug 2026 - 31 Mar 2028 1-2 years
- Recurrence
- Not specified
Notice Status
- Tender Status
- Active
- Lots Status
- Active
- Awards Status
- Not Specified
- Contracts Status
- Not Specified
Buyer & Supplier
Contracting Authority (Buyer)
- Main Buyer
- EUROPEAN MARINE ENERGY CENTRE (EMEC) LTD
- Contact Name
- Available with D3 Tenders Premium →
- Contact Email
- Available with D3 Tenders Premium →
- Contact Phone
- Available with D3 Tenders Premium →
Buyer Location
- Locality
- ORKNEY
- Postcode
- KW16 3AW
- Post Town
- Kirkwall
- Country
- Scotland
-
- Major Region (ITL 1)
- TLM Scotland
- Basic Region (ITL 2)
- TLM2 Highlands and Islands
- Small Region (ITL 3)
- TLM20 Highlands and Islands
- Delivery Location
- TLM65 Orkney Islands
-
- Local Authority
- Orkney Islands
- Electoral Ward
- Stromness and South Isles
- Westminster Constituency
- Orkney and Shetland
Further Information
Notice Documents
-
https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556702
4.8MW Substation design and installation - Design and construction of 4.8 MW substation on the island of Eday, Orkney
Notice URLs
Open Contracting Data Standard (OCDS)
View full OCDS Record for this contracting process
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-r6ebe6-0000832574-2026-05-27T00:00:00Z",
"date": "2026-05-27T00:00:00Z",
"ocid": "ocds-r6ebe6-0000832574",
"initiationType": "tender",
"parties": [
{
"id": "org-12",
"name": "European Marine Energy Centre (EMEC) Ltd",
"identifier": {
"legalName": "European Marine Energy Centre (EMEC) Ltd"
},
"address": {
"streetAddress": "The Charles Clouston Building, ORIC, Back Road, Stromness",
"locality": "ORKNEY",
"region": "UKM65",
"postalCode": "KW16 3AW"
},
"contactPoint": {
"name": "Mike Partridge",
"email": "procurement@emec.org.uk",
"telephone": "+44 1856852060",
"url": "http://www.publiccontractsscotland.gov.uk"
},
"roles": [
"buyer",
"centralPurchasingBody"
],
"details": {
"classifications": [
{
"id": "Private company in receipt of EU funding",
"scheme": "TED_CA_TYPE"
},
{
"id": "Renewable Energy",
"scheme": "COFOG"
}
],
"url": "http://www.emec.org.uk"
}
},
{
"id": "org-13",
"name": "Sheriff Court",
"identifier": {
"legalName": "Sheriff Court"
},
"address": {
"streetAddress": "Sheriff Court House, Watergate",
"locality": "Kirkwall",
"postalCode": "KW15"
},
"contactPoint": {
"email": "kirkwall@scotcourt.org.uk",
"telephone": "+44 1856852110",
"url": "https://www.scotcourts.gov.uk/the-courts/court-locations/kirkwall-sheriff-court"
},
"roles": [
"reviewBody"
]
}
],
"buyer": {
"name": "European Marine Energy Centre (EMEC) Ltd",
"id": "org-12"
},
"tender": {
"id": "20260521",
"title": "4.8MW Substation design and installation",
"description": "Design and construction of 4.8 MW substation on the island of Eday, Orkney",
"status": "active",
"items": [
{
"id": "1",
"additionalClassifications": [
{
"id": "71323100",
"scheme": "CPV"
},
{
"id": "45232221",
"scheme": "CPV"
}
],
"deliveryLocation": {
"description": "Fall or Warness, Eday, Orkney Islands"
},
"deliveryAddresses": [
{
"region": "UKM65"
}
],
"relatedLot": "1"
}
],
"value": {
"amount": 1565000,
"currency": "GBP"
},
"procurementMethod": "open",
"procurementMethodDetails": "Open procedure",
"mainProcurementCategory": "works",
"submissionMethod": [
"electronicSubmission"
],
"submissionMethodDetails": "http://www.publiccontractsscotland.gov.uk",
"tenderPeriod": {
"endDate": "2026-06-26T12:00:00Z"
},
"awardPeriod": {
"startDate": "2026-06-26T12:00:00Z"
},
"documents": [
{
"id": "MAY556702",
"documentType": "contractNotice",
"title": "4.8MW Substation design and installation",
"description": "Design and construction of 4.8 MW substation on the island of Eday, Orkney",
"url": "https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556702",
"format": "text/html"
},
{
"id": "MAY556702-1",
"title": "Invitation to Tender Full Text",
"datePublished": "2026-05-27T16:35:11Z",
"dateModified": "2026-05-27T16:35:11Z",
"format": "application/pdf"
},
{
"id": "MAY556702-2",
"title": "Site location plan",
"datePublished": "2026-05-27T16:35:11Z",
"dateModified": "2026-05-27T16:35:11Z",
"format": "application/pdf"
},
{
"id": "MAY556702-3",
"title": "Single Line Diagram",
"datePublished": "2026-05-27T16:35:11Z",
"dateModified": "2026-05-27T16:35:11Z",
"format": "application/pdf"
},
{
"id": "MAY556702-4",
"title": "EMEC sample Works Contract",
"datePublished": "2026-05-27T16:35:11Z",
"dateModified": "2026-05-27T16:35:11Z",
"format": "application/pdf"
}
],
"lots": [
{
"id": "1",
"description": "We wish to appoint a contractor to design, procure, install and commission a 4.8 MW onshore tidal generation substation. Design Works - Site layout design. - Civil design of the substation. - Electrical design of the substation lighting and small power circuits. - Electrical design for the balance of plant equipment required to facilitate the power export. - Electrical design of the site earthing system. Construction works - Construction of the substation building(s). - Construction of foundation for SSEN shunt reactor. - Supply and construction of earthing systems. - Supply and construction installation of the 33 kV and 11 kV switchgear, and transformer and associated equipment. - Commissioning of all site equipment. - Provision of documentation.",
"status": "active",
"value": {
"amount": 1565000,
"currency": "GBP"
},
"awardCriteria": {
"criteria": [
{
"type": "quality",
"name": "Experience of contractor",
"description": "20"
},
{
"type": "cost",
"name": "Cost / value for money",
"description": "30"
}
]
},
"hasOptions": false,
"submissionTerms": {
"variantPolicy": "notAllowed"
},
"contractPeriod": {
"startDate": "2026-08-03T00:00:00Z",
"endDate": "2028-03-31T00:00:00Z"
},
"hasRenewal": false
}
],
"bidOpening": {
"date": "2026-06-26T12:00:00Z",
"address": {
"streetAddress": "Stromness, Orkney"
},
"description": "Mike Partridge, Projects Controller"
},
"contractTerms": {
"hasElectronicPayment": true,
"hasElectronicOrdering": true,
"electronicInvoicingPolicy": "allowed"
},
"coveredBy": [
"GPA"
],
"selectionCriteria": {
"criteria": [
{
"type": "suitability",
"description": "As appropriate for requirements in Invitation to Tender document: ITT - 4.8 MW Substation Design and Installation.pdf"
},
{
"type": "economic",
"description": "Economic and financial standing do not form part of the selection criteria, however, financial due diligence will be carried out prior to contract signing. 2 year's accounts will be requested."
},
{
"type": "technical",
"description": "As appropriate for requirements in Invitation to Tender document: ITT - 4.8 MW Substation Design and Installation.pdf"
}
]
},
"submissionTerms": {
"languages": [
"en"
],
"bidValidityPeriod": {
"durationInDays": 90
}
},
"classification": {
"id": "45232220",
"scheme": "CPV"
},
"hasRecurrence": false,
"legalBasis": {
"id": "32014L0024",
"scheme": "CELEX"
}
},
"language": "EN",
"description": "NOTE: To register your interest in this notice and obtain any additional information please visit the Public Contracts Scotland Web Site at http://www.publiccontractsscotland.gov.uk/Search/Search_Switch.aspx?ID=832574. The buyer has indicated that it will accept electronic responses to this notice via the Postbox facility. A user guide is available at http://www.publiccontractsscotland.gov.uk/sitehelp/help_guides.aspx. Suppliers are advised to allow adequate time for uploading documents and to dispatch the electronic response well in advance of the closing time to avoid any last minute problems. (SC Ref:832574) Download the copy of the online SPD document here (to be completed online through postbox submission): https://www.publiccontractsscotland.gov.uk/ESPD/ESPD_Download.aspx?id=832574",
"links": [
{
"rel": "canonical",
"href": "https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000832574"
}
],
"noticetype": "OJEU - F2 - Contract Notice"
}