Procurement framework agreement

Our procurement framework agreement lists which businesses, lots and sub-lots have been awarded for providing:

• gas
• electricity
• renewable heat and electricity generation
• energy efficiency technical consultancy
• economic services and advice

This includes the size of businesses and whether they are micro, small, medium or large.

The procurement framework agreement was extended from 31 August 2024 to 31 August 2026. Original terms and conditions from the previous contracts 1 September 2022 to 31 August 2024 are still followed within this agreement.

Contact us

If you have any questions about our framework agreement, email procurement@ofgem.gov.uk.

Businesses and lots awarded 

Lot 1: gas engineering

These sub-lots include a range of technical and operational activities from traditional gas production, gas distribution, and hydrogen conversion.

1A: gas production, utilisation and storage

• AtkinsRéalis UK Limited (large)
• Bohr Limited (micro)
• DNV Services UK Limited (medium)
• Long O'Donnell Associates Limited (small)

1B: high pressure pipeline engineering support

• DNV Services UK Limited (medium)
• Long O'Donnell Associates Limited (small)
• Penspen Limited (large)

1C: high pressure above ground facilities engineering support

• DNV Services UK Limited (medium)
• Long O'Donnell Associates Limited (small)
• Frazer-Nash Consultancy Limited (large)
• Penspen Limited (large)

1D: gas distribution

• Bohr Limited (micro)
• DNV Services UK Limited (medium)
• Long O'Donnell Associates Limited (small)

1E: hydrogen conversion

• Bohr Limited (micro)
• DNV Services UK Limited (medium)
• Frazer-Nash Consultancy Limited (large)
• Long O'Donnell Associates Limited (small)
• Ove Arup and Partners (large)
• Penspen Limited (large)
• Turner & Townsend Limited (large)

Lot 2: electricity engineering

These sub-lots include a range of technical and operational activities for onshore and offshore electricity transmission as well as distribution, metering and transmission.

2A: electricity generation

• AtkinsRéalis UK Limited (large)
• Black & Veatch (UK) Limited (large)
• DNV Services UK Limited (medium)
• Frazer-Nash Consultancy Limited (large)
• Ove Arup and Partners Limited (large)
• TNEI Services Limited (medium)
• Vinci Energies UK Holding Limited trading as Vinci-energies (medium)

2B: electricity transmission

• AtkinsRéalis UK Limited (large)
• DNV Services UK Limited (medium)
• Frazer-Nash Consultancy Limited (large)
• Ove Arup and Partners Limited (large)
• TNEI Services Limited (medium)
• Vinci Energies UK Holding Limited t/a Vinci-energies (medium)

2C: electricity offshore transmission

• AtkinsRéalis UK Limited (large)
• DNV Services UK Limited (medium)
• Ove Arup and Partners Limited (large)
• Vinci Energies UK Holding Limited t/a Vinci-energies (medium)

2D: electricity distribution

• AtkinsRéalis UK Limited (large)
• Energy People Limited (small) 
• Frazer-Nash Consultancy Limited (large)
• Ove Arup and Partners Limited (large)
• TNEI Services Limited (medium)

2E: electricity metering

• Gemserv Limited (medium)

2F: transmission and distribution system operation

• AtkinsRéalis UK Limited (large)
• Delta Energy & Environment Limited (small)
• DNV Services UK Limited (medium)
• Frazer-Nash Consultancy Limited (large)
• Ove Arup and Partners Limited (large)
• Sia Partners UK Public Limited Company (large)
• TNEI Services Limited (medium)
• Vinci Energies UK Holding Limited trading as Vinci-energies (medium)

2G: smart grid and emerging network technologies

• AtkinsRéalis UK Limited (large)
• DNV Services UK Limited (medium)
• Frazer-Nash Consultancy Limited (large)
• Gemserv Limited (medium)
• Ove Arup and Partners Limited (large)
• TNEI Services Limited (medium)

Lot 3: distributed energy resources

These sub-lots include technical support such as design, operation, delivery and management, and support for customers.

3A: assets

• Delta Energy & Environment Limited (small)
• Ove Arup and Partners Limited (large)
• Turner & Townsend Limited (large)

3B: operations, data and software

• Frazer-Nash Consultancy Limited (large)
• Ove Arup and Partners Limited (large)
• PA Consulting Limited (large)

3C: financing and monetisation

• CEPA Limited Liability Partnership (small)
• Deloitte Limited Liability Partnership (large)
• Delta Energy & Environment Limited (small)
• PA Consulting Limited (large)
• Turner & Townsend Limited (large)

3D: customer focus

• Centre for Sustainability Energy (small)
• Delta Energy & Environment Limited (small)
• Sia Partners UK Public Limited Company (large)

Lot 4: renewable heat and electricity generation advice

These sub-lots include auditing renewable technologies, providing technical advice and support, and assessing these technologies.

4A: generating technologies and heat distribution

• AtkinsRéalis UK Limited (large)
• Black & Veatch (UK) Limited (large)
• Ricardo-AEA Limited (large)

4B: heat transfer technologies and heat distribution

• AtkinsRéalis UK Limited (large)
• Black & Veatch (UK) Limited (large)
• Ove Arup and Partners Limited (large)
• Ricardo-AEA Limited (large)

4C: economy of heat and ad hoc assessments

• AtkinsRéalis UK Limited (large)
• CEPA Limited Liability Partnership (small)
• Ove Arup and Partners Limited (large)
• Ricardo-AEA Limited (large)
• Sia Partners UK Public Limited Company (large)
• Turner & Townsend Limited (large)

4D: biomethane

• Black & Veatch (UK) Limited (large)
• Bohr Limited (micro)
• DNV Services UK Limited (medium)
• Ove Arup and Partners Limited (large)
• Ricardo-AEA Limited (large)
• Sia Partners UK Public Limited Company (large)

4E: audit of renewable electricity generating stations

• Black & Veatch (UK) Limited (large)
• Frazer-Nash Consultancy Limited (large)

Lot 5: carbon capture and storage and nuclear

These sub-lots include technical support for onshore and offshore carbon capture and storage as well as nuclear power via supply chains and plants.

5A: carbon capture and storage: offshore wells and storage

• AtkinsRéalis UK Limited (large)
• Gaffney, Cline & Associates Limited (small)
• Ove Arup and Partners Limited (large)

5B: carbon capture and storage: offshore transport networks

• AtkinsRéalis UK Limited (large)
• Ove Arup and Partners Limited (large)
• Penspen Limited (large)

5C: carbon capture and storage: onshore transport networks

• AtkinsRéalis UK Limited (large)
• Ove Arup and Partners Limited (large)
• Penspen Limited (large)
• Turner & Townsend Limited (large)

5D: carbon capture and storage: full-chain CCUS

• AtkinsRéalis UK Limited (large)
• Ove Arup and Partners Limited (large)
• Turner & Townsend Limited (large)

5E: nuclear generation

• AtkinsRéalis UK Limited (large)
• Frazer-Nash Consultancy Limited (large)
• Jacobs UK Limited (large)
• Ove Arup and Partners Limited (large)

5F: nuclear supply chain

• AtkinsRéalis UK Limited (large)
• Frazer-Nash Consultancy Limited (large)
• Jacobs UK Limited (large)
• Ove Arup and Partners Limited (large)
• Turner & Townsend Limited (large)

5G: nuclear safety

• AtkinsRéalis UK Limited (large)
• Frazer-Nash Consultancy Limited (large)
• Jacobs UK Limited (large)

5H: nuclear plant on-site uses 

• AtkinsRéalis UK Limited (large)
• Frazer-Nash Consultancy Limited (large)
• Jacobs UK Limited (large)
• Ove Arup and Partners Limited (large)

Lot 6: economic services and advice

These sub-lots include economic, technical and financial support for different areas of onshore and offshore carbon capture and storage, and nuclear generation.

6A: economic modelling

• Afry Management Consulting Limited (large)
• Baringa and Partners Limited Liability Partnership (large)
• Centre for Sustainable Energy (small)
• CEPA Limited Liability Partnership (small)
• CRA International (UK) Limited (medium)
• Deloitte Limited Liability Partnership (large)
• DNV Services UK Limited (medium)
• Frontier Economics Limited (large)
• Jacobs UK Limited (large)
• NERA UK Limited (medium)
• PA Consulting Limited (large)
• Reckon Limited Liability Partnership (micro)
• Sirius Analysis Limited (medium)
• Turner & Townsend Limited (large)

6B: carbon capture and storage (financing)

• CEPA Limited Liability Partnership (small)
• Deloitte Limited Liability Partnership (large)
• European Economic Research Limited trading as Europe Economics (small)
• Frontier Economics Limited (large)
• Grant Thorton UK Limited Liability Partnership (large)
• NERA UK Limited (medium)
• Ove Arup and Partners Limited (large)
• Reckon Limited Liability Partnership (micro)
• Sirius Analysis Limited (medium)
• Turner & Townsend Limited (large)

6C: carbon capture and storage (onshore economics)

• CEPA Limited Liability Partnership (small)
• Frontier Economics Limited (large)
• Grant Thorton UK Limited Liability Partnership (large)
• NERA UK Limited (medium)
• Ove Arup and Partners Limited (large)
• Reckon Limited Liability Partnership (micro)
• Sirius Analysis Limited (medium)
• Turner & Townsend Limited (large)

6D: carbon capture and storage (offshore economics)

• CEPA Limited Liability Partnership (small)
• Frontier Economics Limited (large)
• Grant Thorton UK Limited Liability Partnership (large)
• NERA UK Limited (medium)
• Ove Arup and Partners Limited (large)
• Reckon Limited Liability Partnership (micro)
• Sirius Analysis Limited (medium)
• Turner & Townsend Limited (large)

6E: carbon capture and storage (overarching network economics)

• CEPA Limited Liability Partnership (small)
• Frontier Economics Limited (large)
• NERA UK Limited (medium)
• Ove Arup and Partners Limited (large)
• Reckon Limited Liability Partnership (micro)
• Sirius Analysis Limited (medium)
• Turner & Townsend Limited (large)

6F: nuclear generation and regulation (financial, safety and wider energy systems)

• CEPA Limited Liability Partnership (small)
• Deloitte Limited Liability Partnership (large)
• Grant Thorton UK Limited Liability Partnership (large)
• NERA UK Limited (medium)
• Ove Arup and Partners Limited (large)
• Sirius Analysis Limited (medium)
• Turner & Townsend Limited (large)

Lot 7: specialist technical advisors

Lot 7 did not proceed to award. 

Lot 8: energy efficiency advice

• Absolar Solutions Limited (micro)
• Arthian Limited (small)
• Delta Energy and Environment Limited (small)