Grid assets, outage windows and the compliance behind a connection
Transmission and distribution work is bought against a grid code rather than against a drawing. Equipment -- transformers, switchgear, conductors, protection and control systems -- must be type-tested to recognised standards and demonstrably compatible with the network it joins, and the compliance evidence is assessed before the commercial offer matters. Factory acceptance testing witnessed by the buyer, then site acceptance and energisation under the network operator's procedure, are defined stages with payment attached.
The scarcest resource in this category is not money or plant but the outage. Work on a live network happens in planned windows agreed months ahead with the system operator, frequently at night or in a season of low demand, and a window missed is not simply rescheduled. Contracts therefore concentrate risk and liquidated damages on the outage rather than on overall completion, and bidders are assessed on the credibility of their resourcing and logistics for those specific windows. Working near live conductors requires authorised personnel under a permit regime, and the authorisations are individual.
Lead times shape the programme more than construction does. Large transformers, high-voltage cable and switchgear are made to order with delivery measured in many months and a global order book competing for the same factory slots, so tenders commonly ask bidders to evidence a secured manufacturing slot rather than to state a delivery date. Land rights, wayleaves, environmental consent and public inquiry risk sit with the buyer on most schemes but govern when site work can start, and the contract's provisions for delayed access are worth reading before the programme is priced.
This section describes how this category is bought generally, across the public buyers that publish it. The figures elsewhere on this page are measured for this market alone.
Who buys power transmission in Spain?
GlobalGov holds 66 power transmission records from 49 distinct buying organisations in Spain. The most frequent publishers are AENA, S.M.E., S.A. (7 records); AENA S.M.E, S.A. (5 records); Aena. Dirección de Contratación (3 records); European Joint Undertaking for ITER and the Development of Fusion Energy (F4E) (3 records); Alcaldía del Ayuntamiento de La Solana (2 records); Ayuntamiento de Elorrio - Ayuntamiento de Elorrio (2 records). Between them the 6 largest account for 33% of everything published, so buying here is spread across many separate authorities.
| Buying organisation | Records | Share |
|---|---|---|
| AENA, S.M.E., S.A. | 7 | 11% |
| AENA S.M.E, S.A. | 5 | 7.6% |
| Aena. Dirección de Contratación | 3 | 4.5% |
| European Joint Undertaking for ITER and the Development of Fusion Energy (F4E) | 3 | 4.5% |
| Alcaldía del Ayuntamiento de La Solana | 2 | 3.0% |
| Ayuntamiento de Elorrio - Ayuntamiento de Elorrio | 2 | 3.0% |
What are power transmission contracts worth in Spain?
62 of the 66 records publish a contract value. The median is $700,785 and the largest single published value is $68.2M. By size, 37 between $100k and $1M, 21 between $1M and $10M, 4 above $10M. The remaining 4 publish no value at all, so every figure here describes the priced subset only, and values are as stated by the buyer rather than as finally awarded.
| Contract size | Records | Share of priced |
|---|---|---|
| under $100k | 0 | 0.0% |
| between $100k and $1M | 37 | 60% |
| between $1M and $10M | 21 | 34% |
| above $10M | 4 | 6.5% |
How long do bidders get to respond to power transmission tenders in Spain?
Across the 37 Spain power transmission notices that publish both a publication date and a closing date, the median response window is 32 days. A quarter of them allowed 31 days or fewer and a quarter stayed open for more than 36. Not one of them closed within a fortnight of being published, so the window on this market is consistently workable.
How often are power transmission tenders published in Spain?
Spain publishes about 2 notices a month in this category, 25 in the last twelve months. Over the last three years there were 47, spread across 31 separate months of activity since 1 June 2021. February is historically the busiest month. No new notice has been published in this category since 15 April 2026, 169 days ago, so treat the figures above as a record of the market rather than as this week's pipeline.
How does Spain compare with other power transmission markets?
Among the 26 countries where GlobalGov holds a comparable power transmission market, Spain ranks 15th by number of records. The largest is Kenya (854 records against 66 here). Within Spain itself, power transmission is the 60th largest of the 71 procurement categories tracked here.
Where do the Spain power transmission records on this page come from?
These 66 records are collected from 1 official source: TED (66). GlobalGov is an independent aggregator and is not affiliated with any of them; each record links back to the notice on its issuing portal. The set is rebuilt nightly, and the counts on this page were taken on 2026-10-01.
Most recent Power Transmission tenders in Spain
None of these are open for bids now — they are the most recent records GlobalGov holds for this market, kept here so the shape of a typical power transmission notice in Spain is visible. Set an alert to be told when the next one opens.
Spain – Electricity – SUMINISTRO ENERGIA VERDE PERIOD 2027-2029
Spain – Electricity – Contrato de suministro de energía eléctrica 100% renovable en los distintos centros de SEITT, S.M.E., S.A., las autopistas de peaje y tramos asociados gestionados por SEITT, S.M.E., S.A.
Spain – Electricity – Suministro de energía eléctrica en los distintos centros del Ayuntamiento de Fuente Vaqueros (Granada)
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Power Transmission procurement in other markets
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