---
title: "Eastern Green Link 4 AC Digital Models Study"
ocid: "ocds-h6vhtk-068f46"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-068f46"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-068f46.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-068f46.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "SCOTTISH POWER UK PLC"
published: "2026-04-30"
---

# Eastern Green Link 4 AC Digital Models Study

Buyer: SCOTTISH POWER UK PLC  
Current stage: Tender  
OCID: ocds-h6vhtk-068f46

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## Summary

The public procurement process initiated by SCOTTISH POWER UK PLC seeks a Study Contractor for the Eastern Green Link 4 (EGL4) Project, focusing on the development and testing of energy network models. The tender, titled "Eastern Green Link 4 AC Digital Models Study," falls under the industry category of feasibility studies and advisory services. Based in Glasgow, the buying organisation is operating under the umbrella of Scottish devolved regulations. The procurement process is in the tender stage, with a submission deadline for Additional Questions set for 12 noon on 25th May 2026. This project involves a comprehensive two-stage scope: initially creating the AC network models, followed by collaboration with a High Voltage Direct Current (HVDC) Contractor. The contract value is estimated at £6,000,000, and the procurement method follows a competitive flexible procedure under the UK's 2023 Procurement Act, ensuring transparency and efficiency in supplier selection.

This tender presents significant opportunities for businesses specializing in energy systems consultation, especially those skilled in digital modelling and network analysis within utilities. Companies capable of delivering high-quality feasibility studies and possessing strategic insights into direct current network systems would find this tender particularly aligned with their expertise. Such businesses stand to benefit from contributing to a high-profile, long-term project that seeks innovative solutions for strategic energy infrastructures. Additionally, the opportunity for collaboration at the HVDC testing stage can bolster a company's profile and experience in high-tech energy systems. The multi-stage procurement process allows for varied business sizes to participate, provided they meet the detailed submission requirements and quality criteria stated in the tender documentation.

## Notice

The Employer is looking to appoint a Study Contractor for its Eastern Green Link 4 (EGL4) Project. The scope is split into two stages, in a First Stage the Study Contractor will develop the AC network models, and in a Second Stage, will work with an High Voltage Direct Current (HVDC) Contractor to test the EGL4 HVDC Link control system. Within the AQ Document attached a more detailed description of the scope is provided.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/039911-2026 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Competitive flexible procedure |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 30 Apr 2026 |
| Submission deadline | 25 May 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 2 Nov 2026 - 1 Mar 2031 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £6,000,000 |
| Lots value | £6,000,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SCOTTISH POWER UK PLC |
| Additional buyers | NATIONAL GRID ELECTRICITY TRANSMISSION PLC |
| Locality | GLASGOW |
| Post town | Glasgow |
| Postcode | G2 5AD |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71241000 - Feasibility study, advisory service, analysis

## Release History

- 30 Apr 2026 at 12:34 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/039911-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/039911-2026
  30th April 2026 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-15474
  This document contains the following: - Outline of Procurement Process - Key Dates - Summary of Requirement - GoSupply - AQ Evaluation Matrix - AQ Scoring Model - Additional Questions (to be completed) - Declaration
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-15475
  This Zip File contains the Scottish Power Policies
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-15476
  This Zip File contains the National Grid Policies

## Notice URLs

- https://iberdrola.accounts.ondemand.com/saml2/idp/sso?sp=sp.accounts.sap.com&RelayState=https://iberdrola.accounts.ondemand.com/ui/protected/profilemanagement
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-068f46. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-068f46.json.