---
title: "Electricity Network Management System (IEMS) Software Subscription"
ocid: "ocds-h6vhtk-06a223"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06a223"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06a223.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06a223.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "NATIONAL ENERGY SYSTEM OPERATOR LIMITED"
published: "2026-05-22"
---

# Electricity Network Management System (IEMS) Software Subscription

Buyer: NATIONAL ENERGY SYSTEM OPERATOR LIMITED  
Current stage: Planning  
OCID: ocds-h6vhtk-06a223

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06a223)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06a223.json)

## Summary

The procurement process, managed by the National Energy System Operator Limited, focuses on acquiring a software subscription for an Integrated Electricity Management System (IEMS) to enhance network operations and optimisation. The procurement, categorised under software package and information systems, is in the planning stage with a competitive flexible procedure anticipated. Located in Wokingham, United Kingdom, the process aims to establish the contract by 31st July 2027, with a projected completion by 31st October 2031, and potential extensions until 2034. A future notice is expected by 30th April 2027, providing further details and opportunities to express interest.

This tender offers significant opportunities for businesses specialising in software programming and consultancy services, particularly those with expertise in large-scale network management systems. Companies experienced in implementing and supporting complex software solutions will find this opportunity well-aligned with their capabilities. Given the competitive flexible procedure, businesses with a strategic approach to adapting solutions to client needs can gain substantial business growth, establishing long-term partnerships with a prominent public undertaking in the UK's energy sector.

## Notice

Subscription for Integrated Electricity Management System software supporting network operations and optimisation

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/048231-2026 |
| Notice type | UK1 - Pipeline Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Competitive flexible procedure |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 May 2026 |
| Submission deadline | Not specified |
| Future notice date | 30 Apr 2027 |
| Award date | Not specified |
| Contract period | 30 Jul 2027 - 31 Oct 2031 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planned |
| Lots status | Planned |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NATIONAL ENERGY SYSTEM OPERATOR LIMITED |
| Locality | WOKINGHAM |
| Post town | Reading |
| Postcode | RG41 5BN |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ16 Berkshire West |
| Local authority | Wokingham |
| Electoral ward | Winnersh |
| Westminster constituency | Wokingham |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 48 - Software package and information systems
- 72 - IT services: consulting, software development, Internet and support

### Codes

- 48000000 - Software package and information systems
- 72200000 - Software programming and consultancy services

## Release History

- 22 May 2026 at 15:30 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/048231-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/048231-2026
  22nd May 2026 - Pipeline notice on Find a Tender

## Notice URLs

- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-06a223. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06a223.json.