Data centres

Proposed full-campus IT design capacity stated by the project team. The planning energy material separately describes approximately 110 MW peak facility demand; neither figure is commissioned load, secured grid import or available customer capacity.

110 MW facility · Peak facility demand
Approximate completed-site peak demand reported from the submitted Energy Strategy, including cooling and electrical plant; not IT load or secured import.
Published claim

1.8 MW import · Existing site grid supply
Existing supply described for the administration building during the initial fuel-cell phase; not evidence of supply to the proposed data halls.
Published claim

60 MVA · Later SSEN connection
Applicant Utilities Statement scope reported as secured but dependent on transmission reinforcement and targeted from 2037. It does not cover the stated 110 MW facility peak and is not an achieved energisation.
Published claim

49.9 MW unspecified · Proposed on-site fuel-cell plant
Utilities Statement plant rating for proposed natural-gas solid-oxide fuel cells. The Energy Strategy separately gives about 42.5 MW initial effective supply; generation plant is not grid import capacity.
Published claim

Published campus design exceeds 90 MW IT; this is not verified commissioned load or utility import.

Proposed IT load in submitted EIAR and ACP assessment; refused scheme, not delivered or contracted capacity.

50 MW facility · Average facility electricity demand
Approximate average electrical requirement in EIAR; not a maximum-import agreement or connection offer.
Published claim

Initial campus IT target confirmed by Echelon; not commissioned capacity or a published utility-import MVA.

Initial phase-one IT module in Cordiant's 2026 results; full campus design is 17.3 MW IT. These are development capacities, not operational MW.

22 MW unspecified · Power supported by 2N infrastructure
2N-supported subset of the reported 26 MW site power, per Cordiant's June 2026 filing; not an additional allocation or verified import entitlement.
Published claim

26 MW unspecified · Reported site power
Site power reported by Cordiant, including the 22 MW with fully duplicated 2N infrastructure. Utility contract and available headroom are not published.
Published claim

Published B2 development capacity. The reviewed release does not distinguish IT load from facility demand; no import MVA is verified.

DV1 webpage overview power; conflicts with specification table.

24 MW unspecified · Published power available
DV1 webpage technical specification; scope/date not reconciled with 40 MW overview.
Published claim

Published overview: DV1 webpage overview power; conflicts with specification table.

Secured/planned campus power capacity, including future development; not all live IT load.

Planned total FIN04 campus capacity in the July YIT announcement; not the capacity of either individual YIT contract.

Planned ZUR4 IT capacity, additional to the ZUR1–ZUR3 campus; not operational capacity or grid MVA.

Approximate ultimate campus rating; electrical basis and commissioned extent not established. Not first-phase import, IT load or available customer capacity.

Additional IT power and cooling under the expansion contract, taking the stated campus total to 31.5 MW on completion.

Barcelona PLZF IT capacity in MERLIN's June 2026 company presentation. July results state repowering delivered; not a grid import limit or proof of spare capacity.

16 MW IT · Legacy conflicting operator field
Second critical-load field still on the live page; superseded scope is not explained. Not additive to 22 MW and not spare capacity.
Conflicting published claim

Legacy conflicting operator field: Second critical-load field still on the live page; superseded scope is not explained. Not additive to 22 MW and not spare capacity.

Lisbon component of MERLIN’s Phase II IT development programme; excludes later VFX03–05 expansion.

Selected single-building development design; not built capacity.

227.4 MW unspecified · Authority-reported access-permit power
Aragón government power statement linked to María and Los Vientos substations. Original permits, import basis, holder, conditions and transferability not inspected; distinct from 144 MW IT.
Published claim

Planned site capacity; 2024 approval announcement does not label the load basis.

Operator-announced SWE02 site-power headline; not published IT load, utility import limit or MVA.

Operator describes 4 MW operational capacity in June 2026; the release does not distinguish contracted import, facility or IT load.

Full campus load scenario in June 2026 EIAR; not a contracted grid import or IT capacity. No independent connection-agreement verification.

Achievable campus total across five 6 MW buildings; operating amount not separately established.

Whole-development electricity demand assessed in the planning inspector’s report; not IT load, available capacity or an MVA connection offer. Adjacent generation is separate.

Operator-stated total site capacity; no explicit IT/import scope or available allocation.

Announced ultimate campus target; initial phases are stated at 120 MW. Neither figure is presented here as secured MVA.

120 MW import · Network contribution agreement reported by business park
Haugaland Næringspark reports an executed anleggsbidragsavtale with Fagne for 120 MW network capacity. Contract conditions, utility confirmation and energisation remain unverified; this is not an additional campus phase to sum.
Published claim

Planned six-hall campus. The June 2022 NTS describes 200 MW IT, but EIAR chapter 2 describes 200 MW total load and 27 MW IT per hall. The published definitions conflict; no verified operating or secured-import capacity is implied.

200 MW IT · NTS IT description — conflicts with chapter 2
June 2022 NTS printed page 23 (PDF page 36), proposed ultimate load; retained as a source-specific claim, not reconciled design capacity.
Conflicting published claim

200 MW facility · EIAR chapter 2 total load description
Chapter 2 printed page 5 (PDF page 19) describes 27 MW IT / circa 34 MW total per hall, and 200 MW total across six halls. Conflicts with NTS and chapter 13 IT description.
Conflicting published claim

83.5 MVA · Historical grid application
EIAR chapter 2 section 2.4.1 records an EirGrid application at Pre-planning Stage 1 in 2022. This is not an accepted connection offer or secured import right.
Historical application

Project capacity: Planned six-hall campus. The June 2022 NTS describes 200 MW IT, but EIAR chapter 2 describes 200 MW total load and 27 MW IT per hall. The published definitions conflict; no verified operating or secured-import capacity is implied.

NTS IT description — conflicts with chapter 2: June 2022 NTS printed page 23 (PDF page 36), proposed ultimate load; retained as a source-specific claim, not reconciled design capacity.

EIAR chapter 2 total load description: Chapter 2 printed page 5 (PDF page 19) describes 27 MW IT / circa 34 MW total per hall, and 200 MW total across six halls. Conflicts with NTS and chapter 13 IT description.

Announced ultimate campus site-power target; not energised import capacity or IT MW.

200 MW import · Municipality-reported phase-one connection agreement
E.ON Energidistribution–atNorth connection agreement reported 28 May 2026, subject to new station/line permissions and delivery. Not operational power or additional to the 300 MW target.
Published claim

Per leg of the operator’s published dual supply; not a building import entitlement or campus subtotal.

6.3 MVA · DC1.2 supply leg (2 × 6.3 MVA published)
Per leg of the operator’s published dual supply; not a building import entitlement or campus subtotal.
Published equipment / supply-leg rating

10 MVA · DC1.3 supply leg (2 × 10 MVA published)
Per leg of the operator’s published dual supply; not a building import entitlement or campus subtotal.
Published equipment / supply-leg rating

Total planned BCN1 capacity in the opening announcement; IT versus utility basis and commissioned amount are not specified.

15 MW IT · Historical lead-designer figure
B-Global BCN1 design load; the May 2026 opening release states 14 MW total planned capacity without its electrical basis. Scope difference remains unresolved; not additive.
Published claim

Total energy capacity stated in the 30 April 2026 government announcement; not identified as IT load or contracted import MVA.

Launch capacity stated by the operator; the release does not explicitly identify IT versus total-facility basis.

Second-building power capacity in the opening release; IT versus facility basis unstated.

First facility critical capacity; excludes BIL01, BIL02 and further campus expansion.

Campus substation; not converted into MW or treated as available IT load.

200 MW import · Announced contracted grid connection
Operator’s August 2025 signed E.DIS connection announcement; supply targeted from 2027. Separate from published 200 MVA substation/design figure; no conversion or energisation assumption.
Published claim

Polarise's updated initial campus plan announced on 18 August 2026. It is not verified IT load, utility import entitlement or commissioned capacity.

30 MW unspecified · Original initial plan (superseded)
Original 10 March 2026 promoter plan, superseded by the later 65 MW initial plan; not import or operating IT load.
Published claim

120 MW unspecified · Ultimate scalable plan
Promoter's potential ultimate scale inclusive of the initial phase; not additional capacity or secured import.
Published claim

Sweet Projects' phase-one case-study rating; MW basis is unspecified and not treated as IT power or utility import.

54 MW unspecified · Two-centre consultant design scope
Stantec describes compute capacity across two centres; exact rating basis, current commissioned extent and utility import remain unverified.
Published claim

Proposed grid-connection demand in the MRAe opinion; not secured import or IT load. The opinion identifies excess connection capacity beyond this project’s needs.

75 MW IT · DC01 planned IT
Planned building IT load; not live or secured import.
Published claim

37.5 MW IT · DC02 planned IT
Planned building IT load; not live or secured import.
Published claim

15 MW IT · DC03 planned IT
Planned building IT load; not live or secured import.
Published claim

BESIX-published facility rating for the phase1A/1B project. Operator separately distinguishes 16MW IT powered shell and 4MW fitted IT at launch; 40MVA is not spare capacity.

EirGrid letter of 27 May 2025 confirms the campus agreement with Amazon Data Services Ireland Limited, modified 14 February 2025. EirGrid expressly does not allocate supply to individual buildings. No spare capacity or third-party transferability established.

Approximate full-facility four-phase design IT capacity; not all commissioned at the November 2025 opening or available to new customers.

First operational WAW-3 building only; excludes later campus buildings.

KLON-03 planned hybrid-cooled IT capacity. Not secured utility MVA.

ATH3 fully equipped IT design stated by ELEMKA; not metered load, contracted grid import, or proof that all IT capacity is occupied.

6.8 MW unspecified · Historical annual-report design figure
The 2021 annual report, p. 103, describes a 2 February 2022 appointment and 6.8 MW without an IT/import basis, with phase one then expected in December 2022. Not additive to or a conversion of ELEMKA's later 8 MW IT fully equipped design.
Published claim

Campus grid connections reported as secured by GreenScale; not commissioned IT load. Proposed expansion to 300+ MW is separate.

Current undated operator LON6 specification; planned capacity, not live or available capacity. The 2025 announcement and architect design still describe 90 MW IT; the change is not reconciled.

90 MW IT · Earlier announced design
June 2025 LON6 announcement and architect design; retained alongside the current 108 MW operator claim.
Published claim

160 MVA · Published incoming supply
Operator-published 132 kV active/active supply design. No utility agreement or transferable import rights independently verified; redundant feeds are not summed.
Published claim

Campus-specific electrical/power capacity on operator page; not confirmed commissioned IT load.

Operator-stated 14 MW Anschlussleistung (connection power) for NDC3. Utility contract, allocated/energised amount and spare headroom are not disclosed; no MVA conversion.

Potential installed IT load at full growth in Hill's project brief; not a statement that 6.5 MW was commissioned at launch.

10 MVA · Operator-stated power connection
HER1 factsheet connection rating; not verified transferable or available utility import and not converted to MW IT.
Published claim

1 MW unspecified · Pre-opening expectation
EXA's February 2025 initial expected facility capacity; basis unspecified and not evidence of commissioning. Not additive to Hill's 6.5 MW IT full-growth potential.
Published claim

Operational SIN01 figure in Jacobs' undated current case study. The inauguration release reported 26 MW; expansion/scope reconciliation remains required.

26 MW unspecified · Inauguration figure
April 2025 inauguration release facility figure; electrical basis and reconciliation with Jacobs' current 33 MW IT are unresolved.
Published claim

15 MW IT · Original NEST screening design
Historical SIN01/NEST design recorded in APA's July 2023 opinion; not current operating capacity or an additive phase.
Published claim

Current operator Hayes webpage rating. The specification PDF states 12.2 MW IT; the discrepancy is unresolved. Neither figure establishes spare capacity.

12.2 MW IT · Specification-sheet IT rating
LONDON2 PDF rating differs from the current webpage's 12.3 MW IT.
Published claim

20 MVA · Published incoming supply
Operator specification and September 2013 secured-supply announcement; not an independently inspected utility agreement or available expansion allocation.
Published claim

Full-campus design rating in the operator specification, consistent with January 2026 campus MW disclosure. Not commissioned, spare or transferable import capacity.

KLON-02 expandable design/2023 opening headline. Operator described 8.8 MW base expandable to 10 MW; current undated campus page still lists 8.8 MW. Neither is spare capacity or utility import.

8.8 MW IT · Current campus-page building rating
KLON-02 operating rating on undated Harlow page; the 2023 design explanation identifies expansion to 10 MW.
Published claim

FRA17 design IT capacity across eight data halls; not a utility MVA figure or available headroom.

Campus-specific electrical/power capacity on operator page; not confirmed commissioned IT load.

Building B maximum electricity demand in the planning inspector’s report; not IT capacity, contracted import or availability.

SERBAN historical project total-power claim; IT versus utility/import scope and current capacity unverified

Initial campus IT target stated by Echelon; not commissioned load or utility-import capacity.

Combined operating ADC1 and ADC2 capacity stated by Nabiax; not ADC3 or the potential full-campus expansion.

35 MW IT · Unreconciled cooling-contractor campus figure
ENGIE's February 2026 cooling article uses 35 MW IT for the campus; it is not evidence that additional ADC1/ADC2 load is commissioned. Nabiax's phase-specific 22.3 MW remains the main figure.
Published claim

Approximate gross reservation; not IT load or executed import rights.

6.3 MW facility · Future supercomputer reservation
Separate gross design reservation; not commissioned or added to Arnes capacity.
Published claim

Achievable full-campus IT power, not proof that all capacity is fitted out or occupied.

LIS001 power figure on the current operator page; IT versus utility basis is unstated. Excludes planned LIS002/LIS003 and does not establish spare supply.

10 MVA · Operator-stated LIS001 power provision
Undated LIS001 factsheet total power provision. No executed utility agreement, rights holder or available transferable import verified; not a conversion of the separate 5.1 MW figure.
Published claim

Operator-advertised total campus power capacity; first-phase commissioned capacity is not separately disclosed.

Current operator headline power capacity; IT, facility-demand and contracted-import bases are not distinguished. No spare or transferable allocation established.

Power access agreed with Caruna Espoo Oy; separate from 40 MW campus headline, not unallocated headroom.

45 MW import · Operator-reported power-access agreement
Operator reports 45 MW access agreed with Caruna. Caruna says use of the expanded connection depends on additional transmission-grid capacity; current energised import and spare capacity are not established.
Published claim

45 MW facility · Skanska planned whole-facility gross capacity
Whole-facility gross capacity after expansion, as described by Skanska on 4 May 2026. Separate scope from agreed access; do not add these figures or infer IT MW.
Published claim

Current operator site-power headline; IT/import definition and demand rights are not stated.

Operator-stated campus power capacity; IT/import basis and presently energised allocation are not specified.

Operator-advertised campus power capacity. Energised and occupied phase breakdown is not disclosed.

Operator-stated site power capacity for SWE01. IT capacity and utility MVA are not separately given.

1.5 MW unspecified · Historical first phase opened March 2022
Veidekke’s dated opening report; not present total campus capacity.
Published claim

11 MW unspecified · Historical full-build design
Veidekke’s March 2022 three-phase design scope. Basis and reconciliation to current operator 12 MW facility figure remain unresolved.
Published claim

DC2 target capacity, not verified current occupied or commissioned load.

Operator headline campus design capacity. The same page separately describes two buildings at 74.4 MW IT each; this numerical difference is unresolved. Not verified commissioned IT or contracted grid import.

74.4 MW IT · Per-building design claim
Operator states this separately for each of two buildings. Not summed, converted or reconciled with the 150 MW IT headline.
Published claim

Current campus IT capacity explicitly reported by CyrusOne; excludes the larger masterplan and does not represent available capacity.

54 MW IT · Architectural masterplan
Hyphen describes the overall Dublin I campus masterplan; this is not the current operating total and must not be added to 14 MW.
Published claim

DC1 design capacity named by contractor and project manager; the sources do not expressly identify IT versus facility basis.

MIL01 campus specification on DATA4 Italy page. Basis, commissioned amount and contractual import are not published; excludes MIL02 and Italy-wide totals.

Explicit facility power published by Delska; not IT load or spare capacity.

Planned MRS5 facility power in construction supplier case study; load basis not stated there.

Combined PAR8, PAR9, PAR10 and PAR11 campus design IT capacity; no available-capacity or MVA inference.

Full ML5 design capacity in Deerns' case study; first-phase commissioning described separately at 2 MW.

Zurich West 4 only: operator’s 26 August 2024 output claim for customer systems. Not whole-campus capacity or utility import entitlement.

Three operating 30 MW buildings committed to TikTok. Ultimate 150 MW campus potential includes two planned buildings.

Maximum site IT capacity, not current customer availability.

Maximum potential site IT capacity; not delivered or available load.

DC1 electrical grid capacity reported as secured by JCD; energisation and IT capacity unverified. No MVA conversion.

DC2 grid capacity stated by JCD; energisation and offer terms not independently verified. Not IT MW or MVA.

Proposed DC3 grid connection — PENDING, not secured or energised capacity.

Per published supply leg: operator lists 2 × 12.6 MVA with redundant infrastructure. No 25.2 MVA firm-import total, IT equivalence or spare headroom is inferred.

BER01 facility, current operator claim; not utility import entitlement. Earlier design source stated 8.2 MW IT.

8.2 MW IT · Earlier design claim
BER01 design reported by project manager in November 2023; current operator page states 9 MW IT. Reconciliation of the design change is not published.
Published claim

Overall FRA03 facility; phase 1 operating, phase 2 scheduled for 2026/27.

Proposed full FRA04 development; capacity depends on design.

60 MW import · Acquisition-stage committed power
Operator-stated committed electrical supply when the site was acquired in January 2024; contract details, current energisation and available headroom unverified. Distinct from 40 MW IT design.
Published claim

Published installed electrical capacity; not explicitly an IT-load figure.

Published installed electrical capacity; the proposed 3.8 MW upgrade is separate.

Operator-published installed electrical capacity, not expressly IT load.

Proposed total IT capacity; 5 MW total electrical capacity is separate.

5 MW facility · Total electrical design capacity
NXDATA-3 operator design claim; separate from 3 MW IT and not evidence of energised import rights.
Published claim

SIN02 design figure stated by Start Campus in May 2025 and by Gleeds on its current phase-specific project page. It is not an import entitlement or disclosed leased load.

200 MW unspecified · Current investment and programme figure
Second-building figure in the May 2026 Nscale and Start Campus releases. The electrical basis is not stated and it is not disclosed leased load.
Published claim

120 MW IT · Historical AIA design
Per-building maximum for SIN02–SIN06 assessed in APA's 2023 environmental process; not current capacity or an import right.
Published claim

240 MW IT · Historical developer upper scope
August 2024 Start Campus description of each SIN02–SIN06 building as up to 240 MW IT. Later phase-specific sources state 180 MW IT and 200 MW unspecified; the scopes remain unresolved and are not additive.
Published claim

Combined design capacity of the first two buildings (32MW + 20MW). Excludes DUB13 and is not commissioned load or utility import.

Operator-published total campus IT load; not a statement of spare or occupied capacity.

27 MW IT · LONDON7 contractor design rating
Equans' LONDON7 design-and-build case study; historical phase-specific rating, not added to campus total.
Published claim

32.5 MW IT · LONDON7 current marketed rating
Current campus webpage's LONDON7 rating differs from Equans' 27 MW design scope; upgrade history not verified and not added to campus total.
Published claim