2026-041 Engineering and Cost Support for LDES

Amounts and figures

Description

Ofgem is currently assessing Long Duration Electricity Storage (LDES) projects ('Project(s)') which have bid for the first LDES Cap & Floor Licences through application Window 1, and are working to design the next iteration of this process (Window 2). Ofgem requires support from a supplier with the timely and appropriate assessment of technical project parameters submitted as part of LDES Window 1 and thereafter the technical aspects policy design for Window 2 and potentially the assessment of technical project parameters for Window 2. This work is key to delivering Ofgem's statutory obligations, most notably protecting the interests of current and future consumers. Ofgem needs support from a supplier to assess the VfM of proposed costs and project parameters which will affect the overall value of projects, and to design project reporting frameworks. Once projects have taken their Final Investment Decision (FID), Ofgem may also seek support to determine whether project spend represents best VfM for consumers, especially if projects incur unanticipated costs as a result of Force Majeure (FM) type events, Changes in Law/Regulation, or issues that were not included in project ris…

Awards

Official publications

• 2025-090 Development of Virtual Reality Training App
  Published: 12 November 2026
• 2026-081 Legal Support for Code Governance Reform
  Published: 12 November 2026
• 2026-043 LDES Economic and Financial Support
  Published: 12 November 2026
• 2026-077 Dedicated Network Service Licence Options
  Published: 12 November 2026
• 2026-063 - Securden Password Manager
  Published: 6 November 2026
• 2026-079 Brand Asset Management System
  Published: 5 November 2026
• 2026-062 Mentimeter Enterprise Agreement
  Published: 4 November 2026
• 2026-093 Legal Support for the Contracts for Difference Disputes Period
  Published: 4 November 2026
• 2026-034 Network Infrastructure Management Palo Alto
  Published: 4 November 2026
• 2026-101 Business Change - Change Management
  Published: 4 November 2026

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Frequently asked questions

What is the deadline to bid for this tender?

The submission deadline is 1 January 2026. Check the official source, as dates can be modified.

What is the estimated value of this tender?

The estimated value published by the buyer is £900,000.

Who is the buyer of this tender?

The contracting authority is Ofgem (United Kingdom).

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