RFP QuestBeta
Awarded · ResultStage · award

Nuclear Decommissioning Authority

Maentwrog Hydro Power Station Optimisation Services

Business Services
ValueValue not published
Awarded20 Jul 2026
Published21 Jul 2026
RegionNationwide
Outcome — awarded
Gridbeyond Ltd
Awarded value£1.1m
Award date20 Jul 2026

This is a contract result notice, not an open opportunity. Details from the official award data.

Who to contact
Madeline Jones
madeline.jones@nda.gov.uk
01925 802895

The procurement contact named on the official notice.

The brief

NDA is a non-departmental public body charged, on behalf of government, with the mission to clean-up the UK’s earliest nuclear sites safely, securely and cost effectively.

We’re committed to overcoming the challenges of nuclear clean-up and decommissioning, leaving the 17 nuclear sites ready for their next use.

We do this work with care for our people, communities and the environment, with safety, as always, our number one priority.

We also play an important role in supporting government’s aspiration for the UK to be a global leader in the civil nuclear sector.

We strive to deliver best value for the UK taxpayer by focusing on reducing the highest hazards and risks, while ensuring safe, secure, and environmentally responsible operations at our sites.

We seek ways to reduce the level of public funding from government by generating revenue through our commercial activities.

Maentwrog Hydroelectric Power Station (“Maentwrog”) is a 28MW hydroelectric plant owned by NDA and operated by Magnox Limited (“Magnox”).

The NDA is seeking to engage with economic operators obtain feedback regarding a forthcoming tender to appoint an economic operator to deliver energy generation and trading optimisation services for the NDA's Maentwrog Hydropower station asset.

The core service to be delivered includes, but is not limited to the provision of trading available energy generation capacity within the wholesale market, based upon fundamental and technical analysis, market expertise and available generation capacity based upon water volumes, rainfall and available measurements within defined operational parameters.

The aim of this procurement is to increase income generation to support the NDA in delivering it's mission.

It is anticipated that the agreement may be based upon a 2 year initial term with 2 twelve month optional extensions.

It is anticipated that the total contract value will be circa £240,000 and £500,000 for the initial term, with a potential income value between £480,000 and £800,000 across a potential total 4-year term, subject to Supplier performance.

Please note, we appreciate that income will change based upon market conditions and fluctuations, therefore these are indicative estimates.

Key requirements

What the supplier must deliver

01

We strive to deliver best value

We strive to deliver best value for the UK taxpayer by focusing on reducing the highest hazards and risks, while ensuring safe, secure, and environmentally responsible operations at our sites.

02

The NDA is seeking to engage

The NDA is seeking to engage with economic operators obtain feedback regarding a forthcoming tender to appoint an economic operator to deliver energy generation and trading optimisation services for the NDA's Maentwrog Hydropower station asset.

03

The aim of this procurement is

The aim of this procurement is to increase income generation to support the NDA in delivering it's mission.

Derived from the notice text — always confirm against the original documents.

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Source & provenance
OCID
ocds-h6vhtk-056518
Stage
award · Awarded
Source
Find a Tender
Buyer ref
068694-2026
View the original notice on Find a Tender

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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