Met Office Supercomputer Programme

Rating: Compared to financial year 24/25 Q4, the NISTA/SRO Delivery Confidence Assessment (DCA) rating at 25/26 Q4 remained at Amber This is primarily due to‚ supplier delivery delays have delayed our Science Plans which has impacted the service improvements leading to a risk in Socio Economic Benefits realisation.

Schedule: Compared to financial year 24/25-Q4, the project's end-date at 25/26-Q4 remained at 11/07/2032 This is primarily due to the following factors‚ No changes to length of the supplier contractual agreement, this remains the closure target for this investment.

Cost: Compared to financial year 24/25-Q4, the project's departmentally agreed Whole Life Cost at 25/26-Q4 (measured in £m) remained at £1242 to £1242 This is primarily due to the length of the contract being unchanged and we are developing interventions, redirecting the delayed spend to help recover at risk benefits. The delays are changing in year spend profiles, but this does not alter the expected whole life cost.

Source: NISTA Major Projects Annual Report 2025-26 (data)

Rating: Compared to financial year 23/24-Q4, the Infrastructure Project Authority's Delivery Confidence Assessment rating at 24/25-Q4 remained at AMBER. This is primarily due to the following factors‚ Supplier delivery delays have delayed our science plans which has impacted the service improvements leading to a risk of reduction in Socio Economic Benefits.

Schedule: Compared to financial year 23/24-Q4, the project's end-date at 24/25-Q4 remained at 11/07/2032. This is primarily due to the following factors‚ No changes to length of the supplier contractual agreement, this remains the closure target for this investment.

Cost: Compared to financial year 23/24-Q4, the project's departmentally agreed Whole Life Cost at 24/25-Q4 (measured in £m) remained at 1242. This is primarily due to the following factors‚ The length of the contract is unchanged and we are developing interventions, redirecting the delayed spend to help recover at risk benefits. The delays are changing in year spend profiles, but this does not alter the expected whole life cost.

Source: NISTA Annual Report 2024-25 (data)

Rating: Compared to financial year 22/23-Q4, the Senior Responsible Owner's Delivery Confidence Assessment rating at 23/24-Q4 remained at Amber. This is primarily due to the following factors. IPA Gate 4 took place in February with a Green Rating. Four recommendations were made all of which are underway.

Schedule: Compared to financial year 22/23-Q4, the project's end-date at 23/24-Q4 decreased from 2032-08-11 to 2032-07-11. This is primarily due to the following factors. We have experienced substantial supplier delays which has delayed key implementation milestones. These delays have been due to supply chain issues and supplier performance. A re planning exercise is underway and we expect to have newly formalised plan by the end of April. The project end date remains the same.

Cost: Compared to financial year 22/23-Q4, the project's departmental-agree Whole Life Cost at 23/24-Q4 remained at 1242m. This is primarily due to the following factors. Whole life baseline costs remain unchanged, but due to significant supplier delays we are showing a reduction in the forecast as the costs are re profiled.

Source: IPA Annual Report 2023-24 (data)