Tenders/Legal Services Framework
Awarded🇬🇧United KingdomConsulting

Legal Services Framework

NATIONAL ENERGY SYSTEM OPERATOR LIMITED
Published: Feb 25, 2026
Updated: Jun 19, 2026
Source: uk_fts

This tender has been awarded

Awarded to ADDLESHAW GODDARD LLP — £16,500,000

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About This Opportunity

Consulting contract award: Legal Services Framework. By National Energy System Operator Limited in United Kingdom, energy & power. Awarded to ADDLESHAW GODDARD.

This is a consulting contract in the energy and power, legal services and information and communication technology sectors, with a focus on Network Infrastructure and Legislative Drafting. Located in United Kingdom, Europe, this opportunity is open to firms and consortiums, with an estimated budget of GBP 30.5 million.

Published through UK FTS - Find a Tender Service, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for consulting in the energy and power sector. Consulting assignments are typically evaluated with a strong emphasis on the technical proposal, including the methodology and qualifications of key experts. Shortlisted firms may be invited to submit financial proposals in a second stage. This contract has already been awarded. The information is published for transparency and market intelligence purposes.

Description

National Energy System Operator (NESO) is awarding a framework agreement under competitive flexible procedure across a full range of legal services to support NESO's requirements and activities.
Suppliers will partner with the internal NESO Legal team to provide high quality advice and support NESO to meet its objectives.
The framework agreement is split into 2 Lots and amounts to £30.5m (including VAT):
LOT 1 - Energy Regulation & Frameworks
Advising on all aspects of the United Kingdom (UK) and, where relevant, European Union (EU) regulatory regimes and frameworks for gas and electricity, including sector-specific European legislation and rules (where relevant) and Great Britain (GB) primary and secondary legislation that impacts on or are relevant to the business activities of NESO (licensed and unlicensed). This includes:
1. Advising on the specific rules applicable to NESO, as well as on the regimes applicable to other sector participants including transmission networks, distribution networks, interconnectors, generators, storage and suppliers as are or may be relevant to NESO's activities.

2. Advising on matters relating to the interaction of the UK and EU regulatory regimes with the gas and electricity arrangements, including relationships with European institutions such as ENTSO-E and ENTSOG.

3. Advising on any innovation matters that arise as the gas and electricity markets and regulatory regimes develop.

4. Advising on all matters relating to the compliance with the UK and EU regulatory regimes for electricity and gas and how they impact on all the activities of NESO in Great Britain, including the impact on contractual arrangements NESO has with third parties.

5. Advising on the specific legal framework applicable to NESO as the designated independent system operator and planner under the Energy Act 2023 including:
5.1 Advising on the application of NESO's general statutory duties to its activities, including its duty to have regard to the Strategy and Policy Statement.
5.2 Advising NESO on the use of its power to request information.
5.3 Advising on NESO's independence requirements and requirements relating to conflict of interest.

6. Advising on the sector specific commercial arrangements relevant to NESO's energy activities, as set out in further detail below.
More specific areas within Lot 1 are detailed below - no subcontracting is allowed cross Lot 1 disciplines:
1 Electricity/ gas codes
2 Electricity connections
3 Balancing services (electricity)
4 Electricity interconnectors
5 Electricity Market Reform
6 Network competition
7 Gas markets
8 Developing/adapting to new energy legal frameworks
9 Licence change, investigations and other regulatory issues
10 Public Investigation and inquiry processes
11 Planning and major infrastructure projects
12 Information management (energy)
13 Public Law (energy)
14 Competition law and dawn raids (energy)
15 Litigation (energy)
The requirements for advice and support set out in this Lot 1 relate to both non-contentious and contentious matters unless expressly stated otherwise.
LOT 2 - GENERAL SERVICES
This lot includes advising NESO on all corporate and commercial aspects of its operations to support its organisational functions, taking into account NESO's status as a public corporation.
More specific areas within Lot 1 are detailed below -subcontracting permitted only for specific Lot 2 disciplines (Trademark & Patent Services, Pensions, and Insurance):
1 General commercial and transactions
2 Public procurement
3 Technology expertise (including Cyber Security, AI, ICT & IoT)
4 Innovation
5 Commercial property/ construction
6 Corporate
7 Finance
8 Intellectual Property (including trademark and patent services)
9 Health, safety and environmental
10 Employment
11 Pensions
12 Insurance (including insurance claims)
13 Information Management (non-energy)
14 Public Law (non-energy)
15 Competition law & dawn raids (non-energy)
16 Litigation (non-energy)
The requirements for advice and support set out in this Lot 2 relate to both non-contentious and contentious matters unless expressly stated otherwise.
Individual workpackages will be awarded to suppliers based on the call-off mechanism detailed in the framework agreement.

Data provenance

This notice is sourced from UK FTS - Find a Tender Service and was originally published on February 25, 2026. Last refreshed 59 days ago. Reference: 017069-2026. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About NATIONAL ENERGY SYSTEM OPERATOR LIMITED

NATIONAL ENERGY SYSTEM OPERATOR LIMITED has issued 34 procurement notices on BidsFactory, including 1 currently open and 19 awarded contracts. Activity concentrates in Governance & Public Administration, Information & Communication Technology, and Energy & Power. All notices are published for United Kingdom. Notices are distributed via UK FTS - Find a Tender Service and UK Contracts Finder. Most recent publication: August 12, 2026.

Frequently asked questions about this tender

What type of contract is this?

This is a Consulting contract in the Energy & Power sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

How much was the contract awarded for?

ADDLESHAW GODDARD LLP was awarded the contract for £16,500,000. The figure reflects the value disclosed by the contracting authority in the award notice.

Where will the contract be performed?

The contract is for delivery in United Kingdom. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit UK FTS - Find a Tender Service to access the full notice, required documents, and submission instructions. Quote reference 017069-2026 when communicating with the contracting authority.

Is this tender still open?

No — the contract has already been awarded to ADDLESHAW GODDARD LLP. The award notice is archived on BidsFactory for transparency and market intelligence.

Who is the contracting authority?

This notice was issued by NATIONAL ENERGY SYSTEM OPERATOR LIMITED in United Kingdom. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

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Key Details

Estimated Budget
£30,500,000 - £30,500,000
Contract Type
Consulting
Eligibility
Firms / Consortiums
Language
English
Reference
017069-2026

Source

uk_fts
uk_fts
Official Source

Contracting Authority

NATIONAL ENERGY SYSTEM OPERATOR LIMITED
🇬🇧United Kingdom

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