---
title: "Design and Installation of Roof Mounted Solar PV Systems Framework Agreement"
ocid: "ocds-h6vhtk-04e57f"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04e57f"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04e57f.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04e57f.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "TAI TARIAN LTD"
published: "2025-03-11"
---

# Design and Installation of Roof Mounted Solar PV Systems Framework Agreement

Buyer: TAI TARIAN LTD  
Current stage: Tender  
OCID: ocds-h6vhtk-04e57f

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04e57f)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-04e57f.json)

## Summary

Tai Tarian Ltd, one of the largest social housing providers in Wales, is in the tender stage for a framework agreement involving the design and installation of roof-mounted solar PV systems across its properties in Neath Port Talbot. The procurement falls under the industry category of works, specifically solar panel roof-covering work, supporting both Tai Tarian’s capital investment and the Welsh Government’s Optimised Retrofit Programme. Recent amendments have extended the submission deadline for tenders to 31st March 2025, at 09:00 AM. The procurement will be conducted via an open procedure, encouraging electronic submissions. The framework is set to run until 31st March 2026, with options to extend for three additional 12-month periods.

This tender presents a significant opportunity for businesses specialising in solar PV system design and installation, particularly those that are MCS certified and capable of integrating the required environmental building energy monitoring systems. Companies within the electrical installation sector that meet the qualifying criteria and are prepared to deliver community and economic benefits as per Tai Tarian’s policies will find this tender particularly fitting. The contract emphasises local reinvestment, job creation, and supply chain support within the Neath Port Talbot area, aligning with the broader goals of the Well-being of Future Generations Act Wales.

## Notice

Tai Tarian is seeking to appoint contractors (Providers) to a Framework Agreement for the Design and Installation of Roof Mounted Solar PV Systems throughout Neath Port Talbot to support Tai Tarian in the delivery of its capital investment and Welsh Government's Optimised Retrofit Programme. The scope of this Framework Agreement comprises of the design, supply and installation of individual roof mounted solar PV arrays to Tai Tarian's properties throughout Neath Port Talbot, and (may include during the life of the Framework Agreement) the installation (only) of environmental building energy monitoring systems, in accordance with all Appendices. The scope of this Framework Agreement also comprises of the requirement to design and install solar PV systems on a "design and fit only" basis, i.e. this does not include the supply of solar PV panels, mounting brackets, or inverters, as these will be purchased and provided by Tai Tarian.

### Lot Information

Lot 1

Tai Tarian is seeking to appoint contractors (Providers) to a Framework Agreement for the Design and Installation of Roof Mounted Solar PV Systems throughout Neath Port Talbot to support Tai Tarian in the delivery of its capital investment and Welsh Government's Optimised Retrofit Programme. The scope of this Framework Agreement comprises of the design, supply and installation of individual roof mounted solar PV arrays to Tai Tarian's properties throughout Neath Port Talbot, and (may include during the life of the Framework Agreement) the installation (only) of environmental building energy monitoring systems, in accordance with all Appendices. The scope of this Framework Agreement also comprises of the requirement to design and install solar PV systems on a "design and fit only" basis, i.e. this does not include the supply of solar PV panels, mounting brackets, or inverters, as these will be purchased and provided by Tai Tarian. Providers appointed to this Framework will be responsible for procuring and supplying all other associated electrical equipment required for installation, such as isolators, consumer units, and any other necessary components. Tai Tarian reserves the right to supply the solar PV panels and any associated parts required for the works. Providers appointed to this Framework will be expected to accommodate this requirement. Providers must submit a "design and fit only" price as requested in Appendix 1B - Price Framework. The installation of environmental building energy monitoring systems (if applicable during the life of the Framework Agreement) must be completed at the time of the installation of the solar PV system, and the building energy monitoring systems must be registered with the system provider (currently iOpt Assets, support@ioptassets.com) and installation documentation is provided in Appendix 9. Training support for the installation of iOpt will be provided by iOpt on request. The appointed Providers must a provide and install a standalone Wylex (or equally approved) consumer unit, including 2 spare ways, to supply newly installed solar PV system. The appointed Providers must not install invertor in loft space, unless otherwise agreed by Tai Tarian's Client Representative. The appointed Providers must be MCS certified, the products installed must be tier 1 MCS accredited and Trustmark certified. The appointed Providers will be required to undertake the Retrofit Assessment, Retrofit Coordination and lodgement with Trustmark, to satisfy the requirements of Welsh Government's Optimised Retrofit Programme (ORP) grant funding.

Renewal: The Framework Agreement shall operate for a period of 11 months, until 31st March 2026, with an option to extend for a further 3 x 12 month periods.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/006402-2025 |
| Notice type | Tender Notice |
| Procurement type | Framework |
| Procurement category | Works |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 11 Mar 2025 |
| Submission deadline | 24 Mar 2025 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £13,000,000 |
| Lots value | Not specified |
| 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 | TAI TARIAN LTD |
| Locality | NEATH |
| Post town | Swansea |
| Postcode | SA11 2FP |
| Country | Wales |
| ITL 1 | TLL Wales |
| ITL 2 | TLL4 Mid and South West Wales |
| ITL 3 | TLL44 Neath Port Talbot |
| Local authority | Neath Port Talbot |
| Electoral ward | Briton Ferry West |
| Westminster constituency | Aberafan Maesteg |
| Delivery location | TLL17 Bridgend and Neath Port Talbot |

## CPV Codes

### Divisions

- 09 - Petroleum products, fuel, electricity and other sources of energy
- 45 - Construction work

### Codes

- 09331000 - Solar panels
- 09331200 - Solar photovoltaic modules
- 09332000 - Solar installation
- 45261215 - Solar panel roof-covering work
- 45310000 - Electrical installation work

## Release History

- 11 Mar 2025 at 15:36 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/006402-2025
- 11 Mar 2025 at 15:36 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/008792-2025

## Notice URLs

- http://www.taitarian.co.uk
- https://www.sell2wales.gov.wales
- https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=148364
- https://www.sell2wales.gov.wales/search/Search_AuthProfile.aspx?ID=AA1087
- https://www.sell2wales.gov.wales/sitehelp/help_guides.aspx

## 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-04e57f. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04e57f.json.