Technical Consultancy Framework | Tenderlake

Technical Consultancy Framework

Contract Value:
GBP 61M -
Notice Type:
Contract Notice
Published Date:
30 July 2026
Closing Date:
26 August 2026
Location(s):
UK UNITED KINGDOM
UKJ SOUTH EAST (ENGLAND) (UK UNITED KINGDOM)
Description:
The multi-lot framework provides various technical consultancy services across disciplines such as engineering analysis, modelling, strategic consultancy, technical assurance, and market design tailored to NESO's specific requirements.
Technical Consultancy Framework shall be a multi-lot framework. Works shall be awarded in line Framework Call-Off Procedure.
The framework shall consist of 5 lots covering numerous disciplines:
- Engineering & Technical Analysis,
- Modelling, Simulation & Analytics,
- Strategic Technical Consultancy,
- Technical Assurance, Safety & Quality,
- Market Modelling Design & Economics.
Once established works under the framework shall be awarded via a combination of competitive allocation and direct allocation.
Engineering & Technical Analysis
Provision advice and consulting services across various energy types in relation to engineering and technical analysis advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:
• Asset assessment, Asset
lifecycle modelling, CAPEX
optimisation / investment
planning & Criticality
frameworks and
maintenance strategy
• Root-cause analysis
• Risk analysis
• Unit cost analysis and data
• Engineering technical
support & Network resilience
• Problem resolution
• Power system engineering
analysis
• Gas network hydraulic
analysis
• Energy Transition (Multi
Energy & Net Zero)
Modelling, Simulation & Analytics
Provision advice and consulting services in relation to the strategy formation of Modelling, Simulation & Analytics including, discovery, envisage and design stages of advice relevant to NESO specific requirements. Consultancy and advice in this area may include, but not limited to, consultancy relating to the following topics:
• Power system modelling
• Scenario analysis
• Network & demand
forecasting & planning
support
• Digital simulations
• Nodal Plexos (or
equivalent) modelling
• Integrated energy system
planning
• Flexibility & Future System
Modelling
• Climate and Resilience
analysis and modelling
• Energy transition analysis
and modelling
• Decarbonisation
modelling
Please note; Lot 2 does not include the procurement of data models or the provision of software and services packages. Projects which require end to end solutions from strategy, discovery design & implementation will be procured via alternative routes to market.
Strategic Technical Consultancy
Provision advice and consulting services in relation to Strategic Technical Consultancy advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:
• Whole-system strategy
• Market analysis
• Technical advisory
• Infrastructure and
Operational optimisation
• Net Zero & Energy Transition
Strategy
• Resilience strategy (National
energy resilience planning &
Security of supply strategy)
Technical Assurance - Safety, Quality & Compliance
Provision advice and consulting services in relation to Environmental, Safety & Compliance advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:
• Safety engineering
• Quality management
• Risk assessments and risk
assessment methodologies
• Technical policy review &
drafting
• Stakeholder & Policy
Interface and alignment
• Advisory Climate &
Sustainability
• Socio-economic Impact &
Consumers analysis
Market Design & Economics & Regulation
Provision advice and consulting services in relation to Market Design & Economics & Regulation advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to:
• Investment Mechanisms
• Market design including
wholesale Balancing and
ancillary markets
• Economics regulatory
design
• Cost of Capital Analysis
• Microeconomics &
Econometrics
• Auction design
• Cost-benefit analysis
• Reliability mechanisms
Download full details as .pdf
The Buyer:
NATIONAL ENERGY SYSTEM OPERATOR LIMITED
Additional information:
Link:
Download Full Notice as PDF
Link:
View Notice Source
CPV Code(s):
71621000 - Technical analysis or consultancy services