# Transformers (CPV 31170000) · UK Public Procurement Sector Dossier

Source: [Tenderline](https://tenderline.uk/sectors/transformers-31170000). UK public procurement sector intelligence compiled from official UK procurement notices.

> **Tenderline Sector Summary:** Transformers (CPV 31170000) covers UK public procurement for Transformers. Tracked across 42 published procedures (14 in the last 12 months) across 18 contracting authorities, with 0 live opportunities open for bidding right now.

## Key Sector Information

- **Sector:** Transformers

- **CPV Code:** `31170000`

- **Classification Level:** CPV Class (4-digit sub-sector)

- **Parent Division:** [Electrical machinery, apparatus, equipment and consumables; lighting (CPV 31000000)](https://tenderline.uk/sectors/electrical-machinery-apparatus-equipment-and-consumables-lig-31000000)

- **Live Open Tenders:** 0

- **Notices in Last 12 Months:** 14

- **Total Catalogue Procedures:** 42

- **Active Contracting Authorities (12m):** 11 (18 lifetime)

- **Typical Tender Window:** 28 days (median, notice publication to submission deadline)

- **Tenderline Sector Dossier:** https://tenderline.uk/sectors/transformers-31170000

- **Sector RSS Feed:** https://tenderline.uk/sectors/transformers-31170000/feed.xml

## Market Competition & Pricing Benchmarks

- **Typical Bids per Lot:** 4 bids (middle half 4–5) (median of 3 procedures, 36 months, contracts)

- **Typical Contract Value (Net):** £392k (median net contract award; interquartile range £83k–£2.3m)

- **Deadline to Award Decision:** 66 days (median)

## Other Classes in Electrical machinery, apparatus, equipment and consumables; lighting

1. [Generators (CPV 31120000)](https://tenderline.uk/sectors/generators-31120000): 82 notices/12m

2. [Electronic equipment (CPV 31710000)](https://tenderline.uk/sectors/electronic-equipment-31710000): 69 notices/12m

3. [Sound or visual signalling apparatus (CPV 31620000)](https://tenderline.uk/sectors/sound-or-visual-signalling-apparatus-31620000): 66 notices/12m

4. [Lamps and light fittings (CPV 31520000)](https://tenderline.uk/sectors/lamps-and-light-fittings-31520000): 60 notices/12m

5. [Electrical supplies and accessories (CPV 31680000)](https://tenderline.uk/sectors/electrical-supplies-and-accessories-31680000): 58 notices/12m

6. [Ballasts for discharge lamps or tubes (CPV 31150000)](https://tenderline.uk/sectors/ballasts-for-discharge-lamps-or-tubes-31150000): 50 notices/12m

## Leading Contracting Authorities in this Sector

Top public sector buyers procuring Transformers work:

1. [Northern Ireland Electricity Networks Limited](https://tenderline.uk/buyers/northern-ireland-electricity-networks-limited-coh-ni026041): 8 notices (1 in last 12m)

2. [SSE PLC](https://tenderline.uk/buyers/sse-plc-coh-sc117119): 7 notices (1 in last 12m)

3. [UK Research and Innovation](https://tenderline.uk/buyers/uk-research-and-innovation-gov-pb1221): 7 notices (3 in last 12m)

4. [UK Atomic Energy Authority](https://tenderline.uk/buyers/uk-atomic-energy-authority-gov-pb137): 3 notices (2 in last 12m)

5. [NATIONAL GRID UK LIMITED](https://tenderline.uk/buyers/national-grid-uk-limited-coh-04508773): 2 notices (0 in last 12m)

6. [THE PIRBRIGHT INSTITUTE](https://tenderline.uk/buyers/the-pirbright-institute-coh-00559784): 2 notices (1 in last 12m)

7. [United Kingdom Atomic Energy Authority](https://tenderline.uk/buyers/united-kingdom-atomic-energy-authority-GB-FTS-1212): 2 notices (0 in last 12m)

8. [Cambridge University Hospitals NHS Foundation Trust](https://tenderline.uk/buyers/cambridge-university-hospitals-nhs-foundation-trust-nhs-rgt): 1 notices (1 in last 12m)

## Delivery Geography (ITL-1 Regions)

Distribution of published procurement notices by UK delivery region:

1. [South East England](https://tenderline.uk/regions/south-east): 12 notices (36%)

2. [Northern Ireland](https://tenderline.uk/regions/northern-ireland): 8 notices (24%)

3. [Scotland](https://tenderline.uk/regions/scotland): 7 notices (21%)

4. [North West England](https://tenderline.uk/regions/north-west): 3 notices (9%)

5. [Greater London](https://tenderline.uk/regions/london): 2 notices (6%)

6. [East of England](https://tenderline.uk/regions/east-of-england): 2 notices (6%)

## Leading Awarded Suppliers in this Sector

Top suppliers by distinct contract procedures won in Transformers:

1. [Jema Energy](https://tenderline.uk/suppliers/jema-energy-GB-FTS-48456): 2 procedures across 2 contracting authorities

2. [Kolektor Etra](https://tenderline.uk/suppliers/kolektor-etra-coh-12598161): 2 procedures across 1 contracting authorities

3. [Slaters Electrical Ltd](https://tenderline.uk/suppliers/slaters-electrical-ltd-coh-00424830): 2 procedures across 1 contracting authorities

4. [Bojen Electrical Ltd](https://tenderline.uk/suppliers/bojen-electrical-ltd-coh-05426905): 1 procedures across 1 contracting authorities

5. [Brush Group Limited](https://tenderline.uk/suppliers/brush-group-limited-coh-14235315): 1 procedures across 1 contracting authorities

6. [Chloride](https://tenderline.uk/suppliers/chloride-coh-sc714022): 1 procedures across 1 contracting authorities

7. [Costruzioni Apparecchiature Elettroniche Nucleari C.A.E.N. S.p.A](https://tenderline.uk/suppliers/costruzioni-apparecchiature-elettroniche-nucleari-c-a-e-n-s--GB-FTS-82115): 1 procedures across 1 contracting authorities

8. [D&A Systems Limited](https://tenderline.uk/suppliers/d-a-systems-limited-coh-02794710): 1 procedures across 1 contracting authorities

## Interactive Intelligence & Provenance

> **Complete Sector Analytics:** In-depth competition distributions, tender value histograms, procurement routes, and historical tender registers are available on Tenderline:

> [Explore interactive Transformers intelligence on Tenderline](https://tenderline.uk/sectors/transformers-31170000)

## Provenance and Open Data

- **Data Source:** Compiled from official UK public notices published under the Open Government Licence v3.0.

- **Canonical Sector URL:** https://tenderline.uk/sectors/transformers-31170000

- **Full Catalogue Machine Access:** https://tenderline.uk/llms.txt