CPV subcategory
31712340: Diodes
1 UK public contract under 31712340 ends in the next 18 months. Get the new tenders filed under it every weekday morning.
- 33
- Contracts since 2023
- 15
- Buyers
- 1
- Ending in 18 months
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1 contract under 31712340 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 |
|---|---|---|---|
| UKRI-7442 C100 12 wafers | UK Research & Innovation (UKRI) | Etesian Semiconductor Ltd | Mar 2027in 5 months |
What 31712340 covers
CPV code 31712340 is "Diodes", 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 33 UK public contracts since 2023, awarded by 15 buyers, most often Kent County Council (t/a LASER Energy) and UK Research and Innovations. The typical contract was worth about £87k.
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 31712340
- Contracts
- 33
- Buyers
- 15
- Typical value
- £87k
- Ending in 18 months
- 1
By year of award: 2023 8 · 2024 4 · 2025 18 · 2026 3. Figures as of 6 November 2026. Typical value is the median of single-supplier contracts with a published value (25).
Buyers using this code most
Suppliers winning most often
- GreenLight Engineering LimitedSME5
- EvoEnergy Limited4
- eEnergy Services UK Limited4
- Edmundson Electrical Limited3
- Bright Spark Ventures Ltd3
- Absolar Solutions Limited3
- IZ Energy Services Ltd3
- Ivegate Limited3
Recent contracts under 31712340
| Contract | Buyer | Value | Awarded |
|---|---|---|---|
| UKRI-7442 C100 12 wafers | UK Research & Innovation (UKRI) | £92k | Oct 20262 weeks ago |
| UKRI-5208 UPLiFT Pulsed Laser Diode System | UK Research & Innovation (UKRI) | £324k | Jan 202610 months ago |
| Avalanche Photodiode Detectors (APD) | UK Atomic Energy Authority | £85k | Dec 202511 months ago |
| Queensgate Tunnel - Design, Supply, Installation and Maintenance | Cardiff Council | £5.0m | Nov 20251 year ago |
| Provision of Data Diode Units | FCDO Services | £53k | Nov 20251 year ago |
| Provision of Data Diode Units | FCDO Services | £53k | Sept 20251 year 2 months ago |
| UKRI-5131 TI Chips - EMS Lupex | UK Research & Innovation (UKRI) | £87k | Jul 20251 year 3 months ago |
| GSS25339 - NPL laser system | UK Research and Innovation | £11k | Apr 20251 year 6 months ago |
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Where it sits
Codes above 31712340
- 31000000Electrical machinery, apparatus, equipment and consumables; lighting
- 31700000Electronic, electromechanical and electrotechnical supplies
- 31710000Electronic equipment
- 31712000Microelectronic machinery and apparatus and microsystems
- 31712300Printed circuits
- 31712340Diodes
See the whole market in electrical equipment and lighting contracts, with buyers, suppliers and contracts ending soon.
Questions
About CPV code 31712340
What is CPV code 31712340?
CPV code 31712340 is "Diodes", 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 33 UK public contracts since 2023, awarded by 15 buyers, most often Kent County Council (t/a LASER Energy) and UK Research and Innovations. The typical contract was worth about £87k.
Which codes sit above and below 31712340?
31712340 sits under 31000000 (Electrical machinery, apparatus, equipment and consumables; lighting), then 31700000 (Electronic, electromechanical and electrotechnical supplies), then 31710000 (Electronic equipment), then 31712000 (Microelectronic machinery and apparatus and microsystems), then 31712300 (Printed circuits). It has 9 more specific codes beneath it, the most used being 31712347 (Power or solar diodes).
Who wins contracts under CPV code 31712340?
The suppliers named most often on UK public contracts under 31712340 since 2023 are GreenLight Engineering Limited (5), EvoEnergy Limited (4), eEnergy Services UK Limited (4). 49 different suppliers have won work under this code.
How do I get alerts for tenders using CPV code 31712340?
Add 31712340 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 31712340 also catches notices classified under its more specific codes.
How to cite this data
Tender Radar (2026) CPV code 31712340: Diodes [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/cpv-codes/31712340-diodes (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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