---
title: "Microgrid Feasibility Study for Barra and Vatersay"
ocid: "ocds-r6ebe6-0000828630"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000828630"
markdown_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000828630.md"
json_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000828630.json"
source: "Public Contracts Scotland"
current_stage: "Tender"
buyer: "BARRA AND VATERSAY WIND ENERGY LIMITED"
published: "2026-05-07"
---

# Microgrid Feasibility Study for Barra and Vatersay

Buyer: BARRA AND VATERSAY WIND ENERGY LIMITED  
Current stage: Tender  
OCID: ocds-r6ebe6-0000828630

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## Summary

Barra and Vatersay Wind Energy Limited is initiating a tender process for a "Microgrid Feasibility Study for Barra and Vatersay" located in the Outer Hebrides. The procurement process is in the tender stage, with a closing date set for 1st June 2026 at 12:00 GMT. This open procedure is valued at £30,000 and seeks services under the Community Energy sector. The study aims at evaluating microgrid and private-wire options on the islands of Barra and Vatersay, including baseline demand, growth, and integrated generation strategies. The buyer, a community-owned entity, is seeking outputs that include feasibility reports, a non-technical summary for stakeholders, and a detailed implementation roadmap.

This tender presents substantial opportunities for businesses specialising in renewable energy, microgrid technology, and community-focused energy solutions. Companies with expertise in technical and economic modelling, regulatory framework analysis, and integrated energy systems will find this opportunity particularly fitting. Enterprises looking to expand their footprint in community-centric projects or establish themselves in the growing renewable energy space in Scotland will benefit from competing in this tender. The open nature of this procurement method further widens participation, inviting submissions electronically and enabling a diverse pool of specialists to contribute innovative solutions that align with local energy strategies.

## Notice

On behalf of community-owned Barra and Vatersay Wind Energy Limited, a feasibility study is sought for microgrid and private-wire options on the connected islands of Barra and Vatersay, Outer Hebrides. Scope: baseline demand and growth; review of existing network and critical loads; options development for integrated generation, storage and control architectures (grid-tied and islanded modes); high-level techno-economic modelling (CAPEX, OPEX, levelised cost); regulatory, policy, planning and grid-code review; Distribution Network Operator (Scottish and Southern Electricity Networks) interface and connection options; protection, control and black-start concepts; ownership models and community benefit; risk assessment and implementation roadmap. Outputs include a concise feasibility report and assumptions register, a non-technical summary for stakeholders, working model files in an open and reusable format, and a stakeholder presentation/workshop.

### Lot Information

Lot 1

Scope: baseline demand and growth; review of existing network and critical loads; options development for integrated generation, storage and control architectures (grid-tied and islanded modes); high-level techno-economic modelling (CAPEX, OPEX, levelised cost); regulatory, policy, planning and grid-code review; Distribution Network Operator (SSEN) interface and connection options; protection, control and black-start concepts; ownership models and community benefit; risk assessment and implementation roadmap. Outputs include a concise feasibility report and assumptions register, a non-technical summary for stakeholders, working model files in an open and reusable format, and a stakeholder presentation/workshop.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Public Contracts Scotland |
| Latest notice | https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY555333 |
| Notice type | PCS Notice - Website Contract Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 7 May 2026 |
| Submission deadline | 1 Jun 2026 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £30,000 |
| Lots value | £30,000 |
| 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 | BARRA AND VATERSAY WIND ENERGY LIMITED |
| Locality | ISLE OF BARRA |
| Post town | Outer Hebrides |
| Postcode | HS9 5XD |
| Country | Scotland |
| ITL 1 | TLM Scotland |
| ITL 2 | TLM2 Highlands and Islands |
| ITL 3 | TLM20 Highlands and Islands |
| Local authority | Na h-Eileanan Siar |
| Electoral ward | Barraigh agus Bhatarsaigh |
| Westminster constituency | Na h-Eileanan an Iar |
| Delivery location | TLM64 Na h-Eileanan Siar |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71241000 - Feasibility study, advisory service, analysis
- 71314000 - Energy and related services
- 71314300 - Energy-efficiency consultancy services
- 71323100 - Electrical power systems design services

## Release History

- 7 May 2026 at 00:00 - Tender - PCS Notice - Website Contract Notice - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY555333

## Documents

- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY555333
  Microgrid Feasibility Study for Barra and Vatersay - On behalf of community-owned Barra and Vatersay Wind Energy Limited, a feasibility study is sought for microgrid and private-wire options on the connected islands of Barra and Vatersay, Outer Hebrides. Scope: baseline demand and growth; review of existing network and critical loads; options development for integrated generation, storage and control architectures (grid-tied and islanded modes); high-level techno-economic modelling (CAPEX, OPEX, levelised cost); regulatory, policy, planning and grid-code review; Distribution Network Operator (Scottish and Southern Electricity Networks) interface and connection options; protection, control and black-start concepts; ownership models and community benefit; risk assessment and implementation roadmap. Outputs include a concise feasibility report and assumptions register, a non-technical summary for stakeholders, working model files in an open and reusable format, and a stakeholder presentation/workshop.

## Notice URLs

- http://www.barrawind.co.uk
- http://www.publiccontractsscotland.gov.uk
- https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000828630
- https://www.publiccontractsscotland.gov.uk/Search/Search_Switch.aspx?ID=828630
- https://www.publiccontractsscotland.gov.uk/sitehelp/help_guides.aspx
- https://www.scotcourts.gov.uk

## 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-r6ebe6-0000828630. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-r6ebe6-0000828630.json.