Find a Tender · Historical
SCOTTISH HYDRO ELECTRIC POWER DISTRIBUTION PLC
FW Services - Flexibility Stability Service - Lewis & Harris 1230
Historical: no longer open for bids.
01/ The notice
Key facts
- Value
- £1,200,000Estimated value stated in the notice
- Deadline (UK time)
- Fri 6 Jun 2025, 12:00 BSTClosed.
- Published
- 23 Apr 2025
- Region
- Not stated
02/ The brief
What the notice says
Not fully read: this is the notice text; attached documents are not read.
Scottish and Southern Electricity Networks (SSEN) build and operate networks to best meet customer needs using the most efficient and flexible techniques possible. To do this, we have introduced Flexibility to help manage our network in the optimal way. The primary use case for Flexibility Services has been the economically efficient deferral of network reinforcements to manage thermal constraints.
A Stability Service is a different kind of Flexibility Service that does not fall under the typical standard flexibility services as it provides network stability as opposed to managing a thermally overloaded network asset. Network stability has historically been provided by synchronous generators such as gas turbines; however, in regions where more asynchronous generation is present, network stability becomes problematic. This is due to the lack of an inherent capability to provide stability in intermittent generators such as wind farms. The Western Isles network is an example of a region where we need an alternative source of stability during planned outages and fault conditions.
To address this requirement, SSEN are tendering for the provision of a Stability Flexibility Service for the Western Isles.
SSEN invite interested suppliers to view the Tender Documents on our Jaggaer e-procurement system under "Current Opportunities" here https://sse.app.jaggaer.com/esop/guest/go/opportunity/detail?opportunityId=422
Full details of the service required and how to respond to the invitation to tender can be found on that page.
03/ Classification
CPV codes
Common Procurement Vocabulary codes, exactly as the notice lists them. No descriptions are added here.
- 65300000
04/ History
Releases of this notice
4 releases held, oldest first. Dates are UK time.
- 31 Mar 2025Tender notice
Tender notice published 31 March 2025.
Deadline in this release: Mon 12 May 2025, 12:00 BST.
Release 012089-2025
View this release on Find a Tender (opens in a new tab) - 1 Apr 2025Tender notice update
Tender notice update published 1 April 2025. Stated change: Link to Jaggaer e-procurement site has been corrected
Deadline in this release: Mon 12 May 2025, 12:00 BST.
Release 012350-2025
View this release on Find a Tender (opens in a new tab) - 23 Apr 2025Tender notice update
Tender notice update published 23 April 2025. Stated change: Link to Jaggaer e-procurement site has been corrected
Deadline in this release: Fri 6 Jun 2025, 12:00 BST.
Release 016388-2025
View this release on Find a Tender (opens in a new tab) - 23 Apr 2025Tender notice update
Tender notice update published 23 April 2025. Stated change: Tender submission deadline has been extended to 12 noon (BST) on 6th June 2025.
Deadline in this release: Fri 6 Jun 2025, 12:00 BST.
Release 016414-2025
View this release on Find a Tender (opens in a new tab)
05/ Limits
What the source does not tell us
- None recorded for the fields above. Attached documents are not read, so this is not a full account of the tender.
06/ Questions
About this notice
07/ Tender hubs
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08/ Related
Where to go next
These links follow a fixed rule applied to this notice’s buyer, text and CPV codes. They are not advice on whether to bid.
- Reference
- ocds-h6vhtk-04fadd
- Source
- Find a Tender
- Stage
- tender · Open
- Framework
- Yes, as recorded by the source
- Last verified
- Mon 6 Apr 2026, 18:12 BST
- Read at
- Fri 23 Oct 2026, 02:19 BST
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