Step 4 · Sell
See what it sells for
Price, fill and contract terms, as scenarios.
Markets and operators: who is building where
The pipeline, the grid, the power, the latency and the rules of a market, and the operators building in it. Counts and dated figures, from the tracker and the official sources.
Madrid data centre market
At a glance: Madrid
- Pipeline projects
- 21
- 11 permitted or being built
- Checked 17 Oct 2026
- New grid connections
- Rationed
- concurso de acceso de demanda, in force since 17 Jul 2025. Spain-wide, transmission
- Checked 23 Oct 2026
- Wholesale power price
- 67€/MWh
- Day-ahead, 2025 mean, Spain
- Calendar year 2025
- Grid carbon intensity
- 154g CO₂/kWh
- Yearly average, Spain
- Latest full year
- Next EU rule date
- 14 Dec 2026
- The EU Commission’s minimum performance standards consultation and call for evidence closes
- Applies EU-wide
- Latency to nearest major hub
- 11 ms
- Round trip, Madrid to Paris
- Mapped fibre route, minimum
On 17 October 2026 the pipeline tracker lists 21 data-centre projects around Madrid, and 11 of them are permitted or being built.
The Madrid data centre market in October 2026
The tracker follows 21 data centre projects of 1 MW or more around Madrid, 11 of them permitted or being built. 19 developers are behind them, led by Merlin Properties with 3 projects.
Projects by stage
What the capacity figures measure
Each capacity is on its own stated basis; never added.
Who is building in Madrid
And 9 other developers with one project each. A joint venture counts once per partner. All operators and developers.
Where the data centres are around Madrid
What changed
6 milestones in the last 90 days; the newest is from Sep 2026.
Power and grid for Madrid
Rationed
New grid connections are rationed (Spain-wide, transmission, since 17 Jul 2025). Checked 23 Oct 2026. Every country’s grid connections.
Over a year, country level
- Grid carbon, latest full-year average
- 154g CO₂/kWh
- 13th cleanest of 30 countries; 75% renewable or nuclear
- Business electricity price, latest full year
- 126€/MWh
- 8th cheapest of 26; wholesale is 71% of it
- Wholesale power, 2025 average
- 67€/MWh
- 5th cheapest of 30
Climate at Madrid
- Hours a year above 27 °C dry-bulb
- 1,117h
- mean of 2016 to 2025
- Hours a year above 32 °C dry-bulb
- 441h
- worst year 508 h
- Hours a year above 20 °C wet-bulb
- 63h
- limit for evaporative cooling
Hourly reanalysis at the city’s grid cell, 2016 to 2025.
Annual averages are national, for the latest full year.
Fibre latency from Madrid
| To | Round trip, minimum | Path length | Path |
|---|---|---|---|
| Lisbon | 5.2 ms | 536 km | Mapped fibre route |
| Marseille | 10 ms | 1,052 km | Mapped fibre route |
| Paris | 11 ms | 1,149 km | Mapped fibre route |
| Milan | 15 ms | 1,480 km | Mapped fibre route |
| London | 15 ms | 1,542 km | Mapped fibre route |
| Amsterdam | 16 ms | 1,600 km | Mapped fibre route |
| Frankfurt | 17 ms | 1,712 km | Mapped fibre route |
| Dublin | 20 ms | 2,057 km | Mapped fibre route |
Floors for light in fibre, city centre to city centre; operator fibre adds to this.
Rules and dates
| Where | Rule | Status |
|---|---|---|
| EU | Reporting duty from 500 kW installed IT power, 7 items and 24 indicators, next report 15 May 2027 | In force |
| EU | Waste-heat use above 1 MW total rated energy input, unless a cost-benefit assessment shows it is not feasible | In force |
| EU | Common rating scheme adopted 21 Sep 2026; in Parliament and Council scrutiny, extended 6 Oct | Adopted, not in force |
| Spain | Draft Royal Decree: grid permits from 1 MW of access power tied to PUE 1.15 or lower and 80% renewable supply matched hour by hour; hearing closed 10 Sep 2026, no approval date | Proposed |
Next dates
- 14 Dec 2026the EU Commission’s minimum performance standards consultation and call for evidence closes
- 15 May 2027EU database and French reports due (every year)
- 11 Oct 2027EU deadline under Article 11 of the Energy Efficiency Directive for a certified energy management system at enterprises above 85 TJ (23.6 GWh) of annual energy consumption
Formal refusals and bans since 2025
No area-wide rule recorded for Madrid.
3 decisions on single sites since 2025, not listed here.
Decisions from 1 Jan 2025; statuses checked 21 Oct 2026. A market with none recorded is not a low risk market.
Projects of 1 MW or more, announced to under construction, not yet fully operating; a metro includes its region. Capacities are never added, and no project is listed. Grid: new-connection status from the grid connection tracker. Over a year: national averages, latest full year. Latency: light in fibre over the mapped land route, else the straight line. Sources, 5 official bodies, checked 23 October 2026: BOE (Spanish official gazette), Copernicus Climate Change Service (ERA5), EUR-Lex (Official Journal of the EU), MITECO, Red Eléctrica.