CPV subcategory
31121100: Generating sets with compression-ignition engines
1 UK public contract under 31121100 ends in the next 18 months. Get the new tenders filed under it every weekday morning.
- 13
- Contracts since 2023
- 5
- Buyers
- 1
- Ending in 18 months
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1 contract under 31121100 ending in the next 18 months
The one ending soonest, with the supplier that holds it now. End dates come from the original award notices, so each one is a re-tender with a date on it.
| Contract | Buyer | Held by | Ends |
|---|---|---|---|
| Diamond-II Booster BF and Quadrupole Power Converters | Diamond Light Source Ltd | Energy Technology S.R.L. (OCEM) | Jun 2027in 7 months |
What 31121100 covers
CPV code 31121100 is "Generating sets with compression-ignition engines", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 13 UK public contracts since 2023, awarded by 5 buyers, most often UK Research and Innovations and University of Essex. The typical contract was worth about £81k.
One of the 9,454 official CPV codes. Not sure it is the right one? Describe your work and the finder suggests the codes that match.
UK public contracts since 2023
How buyers use 31121100
- Contracts
- 13
- Buyers
- 5
- Typical value
- £81k
- Ending in 18 months
- 1
By year of award: 2023 4 · 2024 5 · 2025 2 · 2026 2. Figures as of 6 November 2026. Typical value is the median of single-supplier contracts with a published value (10).
Buyers using this code most
Suppliers winning most often
- Brook Green Supply Limited3
- Powerstax2
- Ecotricity Group Limited2
- Centrica Business Solutions UK Limited2
- SSE Energy Supply Limited2
- Water Plus Limited1
- CorEnergy Limited1
- Energy Technology S.R.L. (OCEM)1
Recent contracts under 31121100
| Contract | Buyer | Value | Awarded |
|---|---|---|---|
| UKRI-6172 CLF EPAC Magnet Power Converters | UK Research & Innovation (UKRI) | £81k | Jun 20265 months ago |
| CSP26266 - DC-DC Converters for XFEL LPD PCBs | UK Research and Innovation | £15k | Feb 20268 months ago |
| MRC LMB Power Equipment | UK Research & Innovation (UKRI) | £81k | Dec 202510 months ago |
| UKRI-5394 iTest Corrector Power Converters | UK Research & Innovation (UKRI) | £42k | Nov 202511 months ago |
| Diamond-II Booster BF and Quadrupole Power Converters | Diamond Light Source Ltd | £336k | Aug 20242 years 2 months ago |
| UKRI-3376 Super MuSR HV Power supplies | UK Research & Innovation | £362k | Sept 20233 years 2 months ago |
| UKRI-3376 Super MuSR HV Power supplies | UK Research & Innovation | £362k | Sept 20233 years 2 months ago |
| BE23038 - POL Converters | UK SHARED BUSINESS SERVICES LIMITED | £13k | Feb 20233 years 9 months ago |
Get the new tenders filed under 31121100Every weekday before 9am, 30 days free
Where it sits
Codes above 31121100
- 31000000Electrical machinery, apparatus, equipment and consumables; lighting
- 31100000Electric motors, generators and transformers
- 31120000Generators
- 31121000Generating sets
- 31121100Generating sets with compression-ignition engines
See the whole market in electrical equipment and lighting contracts, with buyers, suppliers and contracts ending soon.
Questions
About CPV code 31121100
What is CPV code 31121100?
CPV code 31121100 is "Generating sets with compression-ignition engines", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 13 UK public contracts since 2023, awarded by 5 buyers, most often UK Research and Innovations and University of Essex. The typical contract was worth about £81k.
Which codes sit above and below 31121100?
31121100 sits under 31000000 (Electrical machinery, apparatus, equipment and consumables; lighting), then 31100000 (Electric motors, generators and transformers), then 31120000 (Generators), then 31121000 (Generating sets). It has 1 more specific code beneath it, the most used being 31121110 (Power converters).
Who wins contracts under CPV code 31121100?
The suppliers named most often on UK public contracts under 31121100 since 2023 are Brook Green Supply Limited (3), Powerstax (2), Ecotricity Group Limited (2). 14 different suppliers have won work under this code.
How do I get alerts for tenders using CPV code 31121100?
Add 31121100 to a Tender Radar profile, with keywords that describe your work. Each weekday morning you get the new UK public sector notices that match, scored for fit. Because codes cover the codes beneath them, adding 31121100 also catches notices classified under its more specific codes.
How to cite this data
Tender Radar (2026) CPV code 31121100: Generating sets with compression-ignition engines [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/cpv-codes/31121100-generating-sets-with-compression-ignition-engines (Accessed: 7 November 2026).
Relative dates (such as “in 6 days”) count from 7 November 2026, when this page was built.
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