Europe · #27 · release 26.08-c2

Data centers in Austria

Datacenter Atlas tracks 66 facilities in Austria, 48 data centers and 10 network points of presence: 0.8% of the global inventory and #27 worldwide by facility count.

Facilities
66
48 data centers · 10 network points of presence
Operating IT load (disclosed)
–
none disclosed: few operators publish it
Avg. disclosed PUE
–
none disclosed: few operators publish it
Networks present
504
14 sites host an internet exchange

Compare with another country →

MW: megawatts of power for the computers. PUE: all the electricity a site draws divided by what reaches its computers (1.0 = nothing lost). Networks present: telecom networks recorded at each site, added up. Record quality (A to D) rates the record, not the site. Glossary →

Map

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Largest hubs

  1. Vienna34
  2. Linz9
  3. Graz6
  4. Innsbruck5
  5. Salzburg5
  6. Klagenfurt am Wörthersee2
  7. Bregenz1
  8. Feldkirch1

A hub is a town with at least 5 facilities, with its close neighbours. Facilities in smaller towns are not listed here, so the hubs do not add up to the country total.

Top operators

  1. eww ag4
  2. Raiffeisen Informatik GmbH & Co KG3
  3. Innsbrucker Kommunalbetriebe AG3
  4. EXA Infrastructure3
  5. conova communications GmbH2
  6. NESSUS2
  7. Energie AG Oberösterreich Services und Digital Solutions GmbH2
  8. next layer Telekommunikationsdienstleistungs- und Beratungs GmbH2
  9. HALLAG Kommunal GmbH2
  10. AtlasEdge2

All 66 facilities

Sorted by disclosed IT load, then networks present. A row opens the full, source-linked record on the map. No IT load, PUE is disclosed for any of these sites, so the column is hidden.

FacilityOperatorCityNetworksRecord quality
Digital Realty Vienna VIE1-2Digital RealtyVienna189A
NTT Vienna1 Data Center (VIE1)NTTVienna45B
Vienna University Computer Center (Wien)University of ViennaVienna25B
Stadtwerke KlagenfurtStadtwerke Klagenfurt AGKlagenfurt am Wörthersee20B
DATASIX Vienna (VIE1)DATASIX Rechenzentrumsbetriebs GmbHVienna20B
Techno-ZTechno-Z Verbund GmbHSalzburg18B
Kelag Klagenfurtoja.at GmbHKlagenfurt17B
Nessus NDC1NESSUSVienna13B
Nessus NDC2NESSUSVienna13B
Datencenter 3 - InnsbruckHALLAG Kommunal GmbHInnsbruck10B
VIVI Vienna (Wien)KAPPER NETWORK-COMMUNICATIONS GmbHVienna9B
ITandTEL TechCenter Linzeww agLinz7B
ODC21 (IBM colocation site)IBMVienna7B
Citycom Datacenter GrazCitycom Telekommunikation GmbHGraz6B
TTI Repeaterstation SattledtTürk Telekom International AT GmbHSattledt6B
conova - Datacenter 4/5conova communications GmbHSalzburg6B
Raiffeisen Diana Haus (RDH)Raiffeisen Informatik GmbH & Co KGVienna6B
Raiffeisen Rechenzentrum (Raaba)Raiffeisen Rechenzentrum GmbHRaaba-Grambach5B
Raiffeisen Informatik Data Center (RDC)Raiffeisen Informatik GmbH & Co KGVienna5B
Datacenter-FeldkirchStadtwerke FeldkirchFeldkirch5B
next layer Medienhausnext layer Telekommunikationsdienstleistungs- und Beratungs GmbHVienna5B
ITandTEL Voesendorf/Viennaeww agVoesendorf5B
XINON GrazXINONGraz5B
Kapsch BusinessCom earthDATAsafeKapsch BusinessCom AGPötschach4A
Europlaza ViennaKapsch Immobilien GmbHVienna4B
EXA Edge DC SalzburgEXA InfrastructureSalzburg3B
next layer Fleischmarktnext layer Telekommunikationsdienstleistungs- und Beratungs GmbHVienna3B
Florido TowerFLORIDO TOWER GMBH & CO. KGVienna3B
ITandTEL Welseww agWels3B
T-Center ViennaT-SystemsVienna3B
Datencenter 1 - Hall in TirolHALLAG Kommunal GmbHHall in Tirol3B
Energie AG Data PowerCubeEnergie AG Oberösterreich Services und Digital Solutions GmbHLinz2B
Raiffeisenhaus Wien (RHW)Raiffeisen Informatik GmbH & Co KGVienna2B
EXA Edge DC WienEXA InfrastructureVienna2B
Vienna International CenterUnited Nations Office at ViennaVienna2B
Arelion Wien SüdArelionVienna2B
Vienna-Hainburgerstrasse (HS33)xpirio Telekommunikation & Service GmbHVienna2B
Millennium TowerArt-Invest Real Estate Management Austria GmbHVienna2B
Emit dc1-2Emit GMBHSalzburg2B
ITandTEL Pergeww agPerg2B
Vienna Twin TowerIMMOFINANZ AGVienna2B
conova - Datacenter 6/7conova communications GmbHHallein1A
STACKIT Ostermiething (DC10)Schwarz IT KGOstermiething1A
EXA Edge DC GrazEXA InfrastructureGraz1B
IKB - Rechenzentrum1Innsbrucker Kommunalbetriebe AGInnsbruck1B
IKB - Rechenzentrum2Innsbrucker Kommunalbetriebe AGInnsbruck1B
Datacenter WeidachVorarlberger Informatik- und Telekommunikationsdienstleistungsgesellschaft mbHBregenz1B
s IT Solutions AT Spardat Datacenters-team IT solutions GmbHVienna1B
Vienna BioCenterVienna BioCenter – Wissenschaftliche StandortgemeinschaftVienna1B
ÖBB Telekom Service DatacenterOeBB Infrastruktur AGVienna1B
Rows 1–50 of 66Page 1 of 2

⚡ Electricity context

Electricity demand
77.4 TWh (2025)
Grid carbon intensity
117 gCO₂/kWh
Renewables share
83.5 %
Low-carbon share
83.5 %

Source: Ember yearly electricity data (CC BY 4.0). Method

Water & climate exposure

Water stress index (data centers, median)
18/100 v0.2 (world median 39 · Europe 26)
Data centers at high water stress (index ≥ 60)
0 of the 48 scored
Median baseline water stress (WRI Aqueduct, 0–5)
0
Median riverine flood risk (0–5)
0.97
Free-cooling hours ≤ 18 °C (median)
6,658 h/yr (76 %)
Median cooling degree days
333

Derived indicators: WRI Aqueduct 4.0, GHSL, climate normals. See methodology. Method

Social friction index

47/100 · v0.3 · world median 42 · Europe 42

Main driver: Policy context (95/100)

Restrictive rules in force in the country (zoning, grid, water, heat reuse, moratoria). It goes up when such rules exist, because they show contestation has reached the political level.

Water
17
Energy & grid
29
Neighbourhood
94
Concentration
36
Policy context
95
Observed conflict
0

Composite of water, grid, neighbourhood, concentration, policy and observed-conflict pressure. A derived indicator: not a measurement of public opinion. Method

Regulation

15 measures recorded

heat reuseenergy efficiencysustainability reportingrefrigerantsrenewablezoning

See the rules on the regulation map → · Compare with neighbouring countries →

Documented local conflicts & agreements

No documented case yet. Know one? Send it with a source.

Announced large projects

No announced project ≥ 100 MW tracked yet.

Questions

How many data centers are there in Austria?

Datacenter Atlas (release 26.08-c2) records 66 facilities in Austria: 48 data centers, 10 network points of presence and 8 unclassified sites. The count covers facilities documented in OpenStreetMap, PeeringDB, Wikidata and operator disclosures.

Which companies operate data centers in Austria?

The operators with the most tracked facilities in Austria are eww ag, Raiffeisen Informatik GmbH & Co KG, Innsbrucker Kommunalbetriebe AG, EXA Infrastructure, conova communications GmbH.

Where are data centers concentrated in Austria?

The largest hubs by facility count are Vienna (34), Linz (9), Graz (6), Innsbruck (5), Salzburg (5).

Cite this page: Datacenter Atlas (2026). Austria, release 26.08-c2. https://www.datacenter-atlas.com/country/austria · ODbL / CC BY 4.0