Source: https://tendernation.io/opportunities/01a13bc9-7afa-70ca-aa6b-6fd7b078bed8/fw-services-maintenance-of-voltage-regulators-multi-site-0131 awarded GB direct award procedure Suitable for SMEs # FW Services - Maintenance of Voltage Regulators - Multi Site 0131 [Scottish Hydro Electric Power Distribution plc](https://tendernation.io/buyers/scottish-hydro-electric-power-distribution-plc) Estimated value Not stated Published 23 Dec 2025 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Scottish Hydro Electric Power Distribution (SHEPD) have a continuous need for ongoing maintenance of 11kV Voltage Regulators manufactured by Cooper Power Systems (Eaton). Supplied solely by Langley Engineering in the UK, the 11kV Voltage Regulators are specified by planners as a cost-effective alternative to line reinforcement. These voltage regulators sit under OHL and ensure that the voltage drop remains within acceptable limits, providing reliable power to connected devices. If Issues occur, then information can be fed back to the network. This helps prevent overvoltage or undervoltage conditions that could lead to equipment failure or hazards. The aim of this contract is to refurbish between 6 and 7 of the 11kV tanks per year, via collection, assessment, refurbishment, testing and delivery of sets of 11kV Coopers Regulation equipment to enable safe return to service at 11kV during the contract period. - collection of unit(s) of regulators from Perth Depot or other nominated Depot. - the initial assessment of condition including the testing of the oil to assess oil condition - liaison with SSEN representative(s) for authorisation on the required maintenance for each set. - maintenance/renewal of component parts of the working mechanisms as required to return to standard. - refurbishment/replacement of the external components including, gauges and bushings as required - touch-up/re-paint as required to achieve C5-M (H) corrosivity resistance. - full final test after completion of the refurbishment to ensure compliance performance. - any scrap and waste oil to be disposed of by the Contractor at their cost by appropriate means. - Delivery of unit(s) of refurbished regulators to Perth Depot or other nominated Depot. Read full description Source Find a Tender (UK) · Notice ocds-h6vhtk-05f54c-2025-12-23T11:45:47Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-05f54c-2025-12-23T11:45:47Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Scottish Hydro Electric Power Distribution plc: past awards and live tenders](https://tendernation.io/buyers/scottish-hydro-electric-power-distribution-plc) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Hdc-1714 wadkins pavilion refurbishment · Harborough District Council · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a155bf-f664-72f9-9823-a85d6cddbdc6/hdc-1714-wadkins-pavilion-refurbishment) [Design, supply, and Installation of Newbiggin Skatepark Extension · Newbiggin Town Council · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15552-19a2-7348-a5cc-3f5ae51ef934/design-supply-and-installation-of-newbiggin-skatepark-extension) [Tender for the design, supply, delivery and installation of a modular UNIT and associated works at ARC healthy living, irvinestown. peaceplus funded upgrade works · Fermanagh and Omagh District Council · 14 days left · 2 Nov 2026](https://tendernation.io/opportunities/01a15552-1b74-73ec-a6f6-a1af37959997/tender-for-the-design-supply-delivery-and-installation-of-a-modular-unit-and-a) [Architectural, design and building consultancy services - Dalby Visitor Centre · Forestry Commission · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15552-1b8a-7041-80fb-e4943876fc38/architectural-design-and-building-consultancy-services-dalby-visitor-centre) [QW Planned and Reactive Facilities Management Services · Qualifications Wales · 42 days left · 30 Nov 2026](https://tendernation.io/opportunities/01a15552-1c32-72a6-a86e-45f144e2f84b/qw-planned-and-reactive-facilities-management-services)