Operational facility
JDC1 — up to 72MW
The 2024 annual report places commencement of first-phase operations in May 2024.
YTL Green Data Center Park
- Operator
- YTL Data Center Holdings
- Location
- Kulai, Johor, Malaysia
- Operational disclosed capacity
- JDC1 — up to 72MW
- Current campus masterplan target
- Up to 600MW
- Contracted capacity disclosed
- 298MW
- Future expansion plan
- Up to 1,000MW
- Last verified
- Evidence
- Official source
Verified project record
Project position now
JDC1 is the disclosed operational facility at up to 72MW. YTL also publishes building-level cooling designs for JDC2, JDC3 and JDC6, but their current delivery status is not confirmed. The campus masterplan target, contracted capacity and future expansion remain separately stated at up to 600MW, 298MW and up to 1,000MW.
Current campus masterplan target
Up to 600MW
The FY2025 annual report explicitly says this target increased from 500MW previously.
Capacity already contracted
298MW
Park-level disclosure; customer, phase and equipment-package allocation are not provided.
Planned expansion
Up to 1,000MW
A stated plan to increase capacity; not represented as built or operational.
Record update
What changed in this review
Compared with PumpCurrent's earlier 29 July 2026 campus-level review
This deeper review adds building-level cooling evidence and a supplier action model. It does not convert design pages, passed target dates, contracted capacity or a public technical-contact path into evidence of an open procurement event.
Official pages for JDC2, JDC3 and JDC6 disclose N+1 chilled-water systems with thermal buffer storage; direct-to-chip and FWU signals are now mapped by building.
JDC3's planned 2025 launch and JDC6's mid-2025 readiness target have passed. Without a later building-specific completion statement, neither is presented as operational.
YTL confirms completion of a liquid-cooled AI data-centre facility and operation of YTL AI Cloud, but does not map that facility to JDC2, JDC3 or JDC6.
YTL describes group-level supplier selection and risk controls, and facility pages offer a technical-information contact. No data-centre-specific tender, prequalification event or approved pump route was found.
Phase-level view
Project phases and disclosed capacity
These statements describe different scopes and must not be added together or treated as simultaneous operating capacity.
| Scope | Status | Capacity | How to read it |
|---|---|---|---|
| JDC1 | Operational | Up to 72MWSource references:467 | Disclosed operating facility; this is not the operating capacity of the full campus. |
| Current campus programme | Phased development | Up to 600MW masterplan targetSource references:56 | The target spans the campus programme and must not be read as delivered capacity. |
| Contracted capacity | Contracted — allocation undisclosed | 298MWSource references:89 | Customer, building, phase and equipment-package allocation are not disclosed. |
| Future expansion | Planned | Up to 1,000MWSource references:89 | Forward plan only; not represented as built, commissioned or operational. |
Equipment-company decision layer
What this project means for suppliers
The following view separates confirmed infrastructure signals from PumpCurrent interpretation and the next research actions needed before a procurement opportunity can be qualified.
Public procurement visibility
Not publicly confirmedNo active pump, cooling, water-treatment or fire-system procurement package is publicly confirmed in the reviewed official sources.
JDC1 is operational, three later building designs are public and later campus capacity is contracted or planned, but the reviewed sources do not name a phase allocation, design consultant, EPC, M&E contractor, cooling integrator, tender, award or equipment schedule.Source references:4567810111216
Recommended engagement posture
Research now; monitor activelyMonitor actively and conduct targeted research outreach; defer broad product-led sales outreach.
The project has credible later-phase demand signals, but the public buying route is not yet visible. Near-term contact should focus on identifying phase ownership, the design team, package boundaries and procurement sequencing.
Pump & cooling opportunity dossier
Where the equipment opportunity may sit
Building-level evidence, system boundaries and supplier actions. Confirmed facts remain separate from PumpCurrent interpretation and missing buying-path information.
Decision now
Conduct building-specific account research now; there is no public evidence of an open pump or cooling procurement event.System evidence
StrongBuying-path evidence
LimitedWhy
Official pages confirm chilled-water, thermal-buffer and direct-to-chip design signals on named buildings, but do not identify current delivery status, package owners, consultants, contractors, vendors, tender dates or purchase orders.Facility and delivery register
A current source-bounded view of each disclosed building or operating scope. A listed design or passed target is not treated as operating status.
| Facility / scope | Public delivery position | Confirmed cooling signals | What it means for suppliers |
|---|---|---|---|
| JDC1Up to 72MWSource references:47 | Operational Operational first facility; first-phase operations commenced in May 2024. |
| Research installed-base operations, maintenance, retrofit and hall-expansion routes separately from future new-build packages. |
| JDC220MW IT loadSource references:10 | Official design listed — delivery unconfirmed Official facility design is listed; the reviewed page does not confirm a current launch or operating date. |
| A credible chilled-water and liquid-cooling research scope, but current delivery state must be verified before sales qualification. |
| JDC380MW IT loadSource references:11 | Target date passed — current status unverified The page says launch was planned for 2025; no later building-specific operating confirmation was found. |
| Verify whether the building is operating, commissioning, delayed or still in delivery before deciding between new-build and service outreach. |
| JDC640MW IT loadSource references:12 | Target date passed — current status unverified The built-to-suit page stated a mid-2025 readiness target; current readiness and operation are not confirmed. |
| The named design supports package research, but the passed target and undisclosed MNC customer make status and decision ownership the first questions. |
| Completed AI facility — numbered building not disclosedNot publicly disclosedSource references:1314 | Completed scope — building mapping unconfirmed YTL reported a completed liquid-cooled AI data-centre facility and operational YTL AI Cloud in October 2025. |
| Treat as an operating AI infrastructure and service opportunity track; do not attach it to a numbered building or infer its pump/CDU brands. |
System opportunity map
Priority is based on project-specific evidence. The analysis and buyer route do not assert that a package is open.
JDC2 · JDC3 · JDC6
Facility chilled-water circulation
Confirmed basis
All three official facility pages disclose concurrently maintainable N+1 chilled-water systems.
PumpCurrent interpretation
This is the strongest direct pump track, but the sources do not disclose primary/secondary topology, variable-flow strategy, duty points, quantities or brands.
Likely route to qualify
First trace the M&E designer, cooling-plant integrator and mechanical contractor for the specific building.
Open technical questions
- Central plant or building plant?
- Primary-only or primary-secondary flow?
- Pump duties, redundancy and approved makes?
- Current package and commissioning status?
JDC2 · JDC3 · JDC6
Thermal-buffer tank circulation and controls
Confirmed basis
Each named building page includes a thermal buffer storage tank in the chilled-water description.
PumpCurrent interpretation
The tank makes charge/discharge hydraulics, controls and transient ride-through a project-specific investigation rather than a generic application assumption.
Likely route to qualify
Technical route likely sits with the M&E designer and chilled-water controls or plant integrator; appointed parties are unknown.
Open technical questions
- Tank volume and hydraulic arrangement?
- Dedicated or common circulation pumps?
- Control sequence and required autonomy?
JDC2 · JDC3 · JDC6 · Completed AI facility
Direct-to-chip and CDU interface
Confirmed basis
Named buildings are direct-to-chip ready or designed for direct-to-chip, and YTL reports an operating liquid-cooled NVIDIA deployment at the park.
PumpCurrent interpretation
NVIDIA describes a generic technology-cooling loop, liquid-to-liquid CDU heat exchanger and facility-cooling loop. Those are interfaces to investigate, not proof of YTL's exact equipment.
Likely route to qualify
Identify the liquid-cooling/CDU integrator and the party owning the facility-water handoff before positioning components or packaged pumps.
Open technical questions
- CDU supplier and integrator?
- Technology-side coolant and material requirements?
- Facility-water temperature and quality?
- Redundancy, monitoring and leak-control boundary?
JDC2 · JDC3 · JDC6
Facility loop to heat rejection
Confirmed basis
Chilled-water systems are confirmed, but the reviewed facility pages do not state how heat is rejected.
PumpCurrent interpretation
Condenser-water pumps, dry-cooler circuits, cooling towers and water-treatment demand cannot be qualified until the heat-rejection architecture is known.
Likely route to qualify
Trace the cooling-plant design and heat-rejection equipment package before approaching as a condenser-water or tower-circulation supplier.
Open technical questions
- Water-cooled chillers, air-cooled chillers or another arrangement?
- Cooling towers or dry coolers?
- Central or building-specific heat rejection?
JDC6
Fan-wall-unit air-side cooling
Confirmed basis
The JDC6 page identifies fan-wall units in a dedicated service corridor.
PumpCurrent interpretation
FWUs confirm the air-side terminal approach but do not by themselves establish the hydronic coil arrangement, pump package or supplier.
Likely route to qualify
Map the FWU/cooling-coil supplier and mechanical package boundary for JDC6.
Open technical questions
- FWU coil and control configuration?
- Connection to the disclosed chilled-water system?
- Customer-approved equipment standards?
Campus and building cooling systems
Make-up water, treatment, filtration and blowdown
Confirmed basis
Water-based facility cooling is disclosed, while source water, heat rejection and water-treatment design are not.
PumpCurrent interpretation
Water-treatment opportunity depends on the closed-loop specification and whether the heat-rejection system uses evaporative water.
Likely route to qualify
Research after the heat-rejection architecture and water-quality responsibility are identified.
Open technical questions
- Closed-loop water specification?
- Make-up source and treatment responsibility?
- Evaporative loss and blowdown requirements?
JDC1 · JDC2 · JDC3 · JDC6
Fire, drainage and transfer pump packages
Confirmed basis
No project-specific fire-pump, drainage or transfer-pump specification is disclosed in the reviewed official facility pages.
PumpCurrent interpretation
These remain legitimate building-services research tracks, but there is not enough evidence to rank them as a current project-specific opportunity.
Likely route to qualify
Wait for fire consultant, specialist contractor, building-services package or tender evidence.
Open technical questions
- Applicable fire standard and authority requirements?
- Fire-water storage and pump-room scope?
- Drainage and transfer package ownership?
Stakeholder and influence map
Confirmed organizations, undisclosed customers and missing decision roles are shown separately.
| Role | Organization / identity | Likely decision influence | Next qualifying question |
|---|---|---|---|
| Campus developer and operatorSource references:6101112 | YTL Data Center HoldingsConfirmed | Controls campus and facility positioning and is the public route for technical facility information. | Which team owns JDC2, JDC3, JDC6 and future-phase mechanical package qualification? |
| Programme sponsor and reporting entitySource references:58 | YTL Power International BerhadConfirmed | Discloses campus strategy, contracted capacity, delivery progress and AI infrastructure at programme level. | How is the 298MW contracted capacity allocated to customers, buildings and delivery dates? |
| AI infrastructure owner and operatorSource references:1314 | YTL Communications / YTL AI CloudConfirmed | Owns and manages the disclosed NVIDIA AI infrastructure, making it relevant to operating liquid-cooling interfaces. | Who owns the CDU, facility-water and service boundary for the operating AI system? |
| Disclosed first-phase customerSource references:1 | Sea LimitedConfirmed | Publicly associated with the first phase, but the sources do not establish its role in pump or cooling specifications. | Does Sea influence facility technical standards or only occupy capacity? |
| AI technology partnerSource references:1315 | NVIDIAConfirmed | Defines AI compute and generic liquid-cooling interface requirements; it is not identified as YTL's facility-cooling contractor. | Which CDU or liquid-cooling integrator connects the NVIDIA technology loop to the YTL facility loop? |
| Later-phase customersSource references:58 | Two further hyperscaler clientsIdentity undisclosed | Contracted later phases may carry customer technical standards, but identities and phase allocation are not public. | Which buildings and specifications correspond to each contracted customer? |
| JDC6 built-to-suit customerSource references:12 | Large multinational corporation — identity undisclosedIdentity undisclosed | A built-to-suit customer may influence facility design and approved equipment, but its identity and procurement role are unavailable. | Who is the customer, and which party owns the approved-make and vendor decisions? |
| Design and delivery chainSource references:10111216 | M&E consultant, engineer of record, main contractor, M&E contractor and cooling integratorNot publicly confirmed | These roles are likely specification and package-control points, but the reviewed official sources do not identify the appointed organizations. | Who owns chilled-water duty points, liquid-cooling integration, heat rejection, water quality and approved makes for each building? |
Procurement tracks by scope
Each track states what is public, what to do now and the evidence that would change the action.
Operating-asset research
Source references:47JDC1 installed base
- Current public signal
- Operational at up to 72MW since May 2024; no maintenance or retrofit package is public.
- Action now
- Research the facilities/O&M organization, installed brands, service model and any hall-expansion plans.
- Signal that changes the action
- Named maintenance partner, retrofit, additional hall, replacement cycle or vendor-registration route.
Verify delivery status
Source references:10JDC2 new-build or commissioning
- Current public signal
- 20MW design and chilled-water/DTC readiness are public; current delivery state is not.
- Action now
- Use the public technical-information route to verify delivery status, design ownership and whether equipment is already awarded.
- Signal that changes the action
- Current construction, commissioning or operating statement tied specifically to JDC2.
Verify delivery status
Source references:1112JDC3 and JDC6
- Current public signal
- Detailed designs are public, but the stated 2025 launch/readiness targets have passed without a reviewed building-specific update.
- Action now
- Verify current status before choosing between new-build, commissioning or operating-service outreach.
- Signal that changes the action
- Building-specific completion, commissioning, occupancy, contractor or supplier disclosure.
Operating-asset research
Source references:1314Completed liquid-cooled AI facility
- Current public signal
- Facility completion and YTL AI Cloud operation are confirmed; numbered building and cooling suppliers are not.
- Action now
- Research operating liquid-cooling ownership, service boundaries, water-quality management and local support requirements.
- Signal that changes the action
- CDU integrator, cooling supplier, service partner, expansion or mapped building identity.
Programme monitoring
Source references:58916Future contracted campus phases
- Current public signal
- 298MW is contracted and the campus programme is expanding, but customer/building allocation and equipment schedules are undisclosed.
- Action now
- Monitor for named buildings, customer allocation, design appointments, contractor awards and supplier prequalification.
- Signal that changes the action
- A phase-to-customer mapping, consultant appointment, contractor award, RFQ, prequalification or package award.
Entry paths by supplier type
Different suppliers need different evidence and stakeholder routes; a generic owner-level product pitch is not the default recommendation.
Direct research fit
Source references:101112Chilled-water pump OEM or package supplier
- Best route
- Named-building M&E designer, cooling-plant integrator and mechanical contractor.
- Evidence to prepare
- Variable-flow and N+1 references, efficiency at part load, controls integration, redundancy, commissioning and local-service evidence.
- Current action
- Qualify JDC2/JDC3/JDC6 status and design ownership before presenting a specific pump schedule.
Direct research fit
Source references:131415CDU, liquid-cooling pump or component supplier
- Best route
- Liquid-cooling/CDU integrator, YTL AI infrastructure team and facility-water design authority.
- Evidence to prepare
- Coolant compatibility, cleanliness, temperature/pressure envelope, redundancy, leak control, monitoring and 24×7 local support.
- Current action
- Identify the technology-to-facility loop handoff; do not infer the CDU vendor from the NVIDIA partnership.
Conditional fit
Source references:101112Water-treatment, make-up or dosing supplier
- Best route
- Water-treatment contractor and M&E/cooling designer after heat-rejection architecture is known.
- Evidence to prepare
- Closed-loop water quality, corrosion control, filtration, monitoring and—if applicable—evaporative make-up and blowdown references.
- Current action
- Investigate water source and heat rejection first; current evidence does not support an evaporative-water package claim.
Conditional fit
Source references:7101112Fire-pump and building-services package supplier
- Best route
- Fire consultant, specialist fire contractor and building M&E package owner.
- Evidence to prepare
- Applicable approvals, redundancy, testing, packaged controls and local commissioning/service capability.
- Current action
- Monitor for a named fire package or contractor; the current official record contains no project-specific fire-pump specification.
Service-led fit
Source references:471416Pump service, retrofit or local support provider
- Best route
- JDC1 and AI-facility operations teams, subject to the approved-vendor and service model.
- Evidence to prepare
- 24×7 response, installed-base diagnostics, critical spares, condition monitoring, commissioning records and Malaysia coverage.
- Current action
- Research installed equipment and service ownership before offering retrofit or maintenance scope.
Earlier commercial assessment and watchlistRetained for continuity; the building-level dossier above is the current decision layer.
Layer 1 — verified facts
Confirmed infrastructure signals
Only signals directly supported by the reviewed official sources are listed here.
The current operator record identifies JDC1 as operational at up to 72MW; YTL Power records first-phase operations from May 2024.
24 data hall suites
Source references:7The JDC1 operator page describes 24 data hall suites across a three-storey, two-wing facility.
Dedicated M&E rooms
Source references:7The same facility record identifies dedicated mechanical and electrical rooms, but does not publish the cooling or hydraulic topology.
Liquid-cooled AI systems deployed at the park
Source references:4YTL Power's FY2024 reporting identifies NVIDIA GB200 NVL72 liquid-cooled systems at the YTL Green Data Center Park.
Annual reporting describes the park as phased and records further hyperscaler contracting beyond the operating first phase.
The latest reviewed filing says the first 215MWac solar phase has been implemented within an up-to-500MW solar programme.
Layer 2 — limited inference
Project-specific implications
PumpCurrent interpretation based on the cited signals; these are not confirmed procurement requirements.
Liquid cooling changes the research priority
Source references:4The disclosed liquid-cooled AI deployment makes CDU-side circulation, heat exchange and water-quality management higher-priority investigation tracks than a generic list of data-centre pump applications. The specific architecture remains unconfirmed.
Because the campus is phased and only JDC1 is publicly identified as operational, PumpCurrent would investigate equipment packages by named facility or delivery phase rather than assume one campus-wide purchase.
Contracted capacity strengthens the case for monitoring later delivery phases, but it does not establish that a pump, cooling or water-treatment purchase order has been issued.
JDC1 may create installed-base operations, maintenance or expansion questions, while later phases may create new-build package questions. Public sources do not confirm an open opportunity in either track.
Priority investigation tracks
Systems worth tracking first
Priority reflects project-specific evidence and what must still be confirmed, not a claim that a package is open.
| System or package | Priority | Why it matters here |
|---|---|---|
| CDU-side circulation, heat exchangers and water-quality controlSource references:4 | High | Highest project-specific research priority because liquid-cooled GB200 NVL72 systems are disclosed at the park; the loop ownership and equipment boundary are not public. |
| Phase-level chilled-water or heat-rejection plantSource references:457 | High | The phased campus and dedicated M&E rooms justify tracing central-versus-building plant boundaries, but the reviewed sources do not disclose whether cooling towers, dry coolers or another heat-rejection arrangement is used. |
| Make-up water, water treatment and blowdownSource references:7 | Conditional | Relevant once the cooling architecture and water source are known; no public project-specific treatment package or consumption design was found. |
| Fire-water, drainage and transfer pump packagesSource references:7 | Conditional | These remain valid package-mapping topics, but current sources provide no project-specific specification, contractor or procurement signal. |
Who to identify
Stakeholder research order
A ranked route for finding the organizations that may control programme, design, integration and package decisions. Unconfirmed identities remain explicitly unconfirmed.
- 1
YTL Data Center Holdings project and development team
Organization confirmedConfirm the next named facility, phase sequence, delivery model and route to approved vendors.
Selective research outreach is justified; keep the conversation focused on programme structure rather than a product pitch.
- 2
M&E design consultant or engineer of record
Identity unconfirmedIdentify who controls cooling architecture, pump duty points, water quality and technical specifications.
Highest-priority identification target before technical vendor outreach.
- 3
EPC, main contractor and M&E contractor
Identity unconfirmedEstablish phase package ownership, approved makes, tender sequencing and installation responsibility.
Research by named phase; do not assume JDC1's delivery team controls later buildings.
- 4
Cooling-system and liquid-cooling integrator
Identity unconfirmedTrace CDU, heat-exchanger, secondary-loop and controls interfaces for AI deployments.
Prioritise once a specific AI hall or future facility is identified.
- 5
Water-treatment, fire-system and specialist pump-package contractors
Identity unconfirmedMap downstream packaged-system opportunities after the design and main M&E route are understood.
Monitor appointments and package awards rather than prospecting the entire campus generically.
Layer 3 — next research
Research priorities
The missing information required to turn this record into qualified project intelligence.
- 01
JDC2 and later data-centre building status
A named next facility would turn the campus-wide expansion story into a trackable delivery scope.
- 02
M&E consultant and engineer of record
Needed to identify the specification path and cooling/water design authority.
- 03
EPC, main contractor and M&E contractor
Needed to connect a phase to package ownership, tendering and approved-vendor decisions.
- 04
Cooling architecture and heat-rejection method
Determines whether the priority sits with chilled-water pumps, condenser-water pumps, dry-cooler circuits or another configuration.
- 05
Liquid-cooling and CDU integration responsibility
Needed to define primary/secondary loop interfaces, heat exchangers, controls and water-quality responsibility.
- 06
Cooling-tower or dry-cooler suppliers
Would reveal the heat-rejection architecture and associated pump/water-treatment package boundaries.
- 07
Water-treatment contractor and water source
Needed before assessing make-up, treatment, filtration, dosing and blowdown requirements.
- 08
Fire-pump, drainage and transfer pump packages
Needed to distinguish building services packages from central cooling opportunities.
- 09
Tender, prequalification and equipment-procurement timing
The decisive missing information for converting monitoring into a qualified sales action.
Procurement-window signals
Signals that would change the action
Future public signals that could move the recommendation from monitoring and research toward active opportunity qualification.
A named JDC2 or later facility, groundbreaking or construction milestone
Creates a specific delivery scope that can be tied to design and package research.
Consultant, EPC, main-contractor or M&E-contractor appointment
Identifies the organizations most likely to influence specifications and procurement.
Cooling architecture, CDU integrator, cooling-tower or dry-cooler disclosure
Moves system priorities from conditional analysis toward an identifiable equipment boundary.
Public tender, vendor prequalification, RFQ or packaged-system award
Would be the clearest indication that a procurement window is opening or has opened.
Allocation of the disclosed 298MW to named customers, buildings or delivery dates
Turns a park-level commercial figure into a phase-level schedule that suppliers can research.
JDC1 expansion, retrofit, maintenance-partner or additional AI-hall announcement
Could indicate an installed-base opportunity distinct from later greenfield phases.
Not publicly confirmed
- Current pump procurement package
- Pump brands
- Pump duty points, quantities, approved makes and hydraulic topology
- CDU, chiller, heat-rejection and water-treatment suppliers
- M&E contractor
- Design consultant
- Procurement timing
- Phase-by-phase equipment packages
- Current operating or delivery status of JDC2, JDC3 and JDC6
- Numbered-building identity of the completed liquid-cooled AI facility
- Exact heat-rejection architecture
- Data-centre-specific supplier portal, prequalification or tender
- Current delivery status of the 168MW GDS co-development announced in 2022
Evidence archive
Project record and change history
The complete source trail remains available without repeating every historical value in the default reading path.
Earlier published record2026-07-28
500MW park; first phase up to 72MW
Original supplied Phase 1 project record, retained without rewriting its capacity statement or verified facts.
Recorded Source references:1
PumpCurrent keeps the original Phase 1 seed statement as a baseline and appends later official observations. Earlier values remain visible even when a newer source changes the current view.
Full claim history4
Each value stays attached to its date, scope and source. Historical, current, operational, contracted and planned statements are not merged.
Campus capacity target
Public target for the overall YTL Green Data Center Park
- HistoricalSource references:2500MW
Initial operator launch announcement.
- HistoricalSource references:1500MW
Government investment-agency release retained in the original seed record.
- HistoricalSource references:4Up to 500MW
- CurrentSource references:5Up to 600MW
Annual report explicitly says the target increased from 500MW previously.
First facility / JDC1
Public capacity and delivery language for the first facility
Commercial commitments disclosed
Non-additive partnership and contracted-capacity disclosures at different dates
- HistoricalSource references:3168MW GDS co-development announced across eight facilities
The reviewed current sources do not establish the present delivery status of this announced co-development.
- HistoricalSource references:4Another phase contracted with a hyperscaler client
- HistoricalSource references:5Additional phases contracted with two further hyperscaler clients
Adjacent solar development
Public solar-generation statements associated with the campus
Complete project timeline9
- Event date
Announcement
YTL launches the 500MW green data-centre park conceptSource references:2
The operator announced a 275-acre campus and said construction had started on a first facility of up to 72MW, then targeted for service in Q1 2024.
- Event date
Partnership
YTL and GDS announce a 168MW co-developmentSource references:3
The announcement described eight facilities and kept the separate 72MW construction for other hyperscale customers distinct.
- Event date
Construction
MIDA records the RM1.5 billion first-phase groundbreaking with SeaSource references:1
The government source repeated the 500MW park description and stated that the first phase could accommodate up to 72MW.
- Event date
Operations
First phase commences operationsSource references:4
YTL Power's FY2024 reporting records May 2024 as the start of operations for the first phase.
- Reporting period
Capacity update
Annual report raises the campus target to 600MWSource references:5
The annual report explicitly describes 600MW as an increased target from the previous 500MW and reports further hyperscaler contracting.
- Event date
- Reporting period
- Observed
- Observed
Sources checked8
This sample records which official source classes were reviewed, including older records that remain part of the history.
Government investment source
MIDA groundbreaking release checked; original 500MW and 72MW statements retained.
ReviewedSource references:1Operator announcements
Launch and GDS partnership announcements checked as dated historical claims.
Current operator campus and facility pages
Campus and JDC1 pages checked for current status; JDC2, JDC3 and JDC6 pages checked for building design, capacity and dated delivery language.
FY2024 annual report
Checked for first-phase operations, campus target and liquid-cooled AI-system context.
ReviewedSource references:4Latest annual report — FY2025
Checked for the 600MW target update and hyperscaler contracting language.
ReviewedSource references:5Latest interim report — Q3 FY2026
Checked for the latest capacity, contracted, solar and operating-segment disclosures available at review time.
Official AI and liquid-cooling records
YTL sources checked for project-specific deployment and completion statements; NVIDIA's source is used only for generic interface definitions.
Group supplier-policy record
Checked for supplier-selection and registration context. No data-centre-specific tender, prequalification event or public supplier intake was found.
ReviewedSource references:16
Detailed verified facts8
Verified facts
- YTL's current Malaysia location page describes the Kulai campus as a 275-acre data-centre park with capacity of up to 600MW.
- The current operator record identifies JDC1 as operational with capacity of up to 72MW; YTL Power's 2024 annual report says the first phase commenced operations in May 2024.
- YTL Power's Q3 FY2026 interim report says the Group plans to increase the park from 600MW to 1,000MW and that 298MW is already contracted.
- The JDC1 operator page describes 24 data hall suites across a three-storey, two-wing facility with dedicated mechanical and electrical rooms.
- YTL's JDC2, JDC3 and JDC6 facility pages each disclose an N+1 chilled-water system with a thermal buffer storage tank; JDC2 and JDC6 are direct-to-chip ready, while JDC3 describes a direct-to-chip liquid-cooling solution.
- YTL lists 20MW IT load for JDC2, 80MW for JDC3 and 40MW for JDC6. The reviewed pages do not confirm their current operating status.
- A 31 October 2025 YTL release says a liquid-cooled AI data-centre facility at the park was completed and YTL AI Cloud was operational, but does not identify that facility as JDC2, JDC3 or JDC6.
- The Q3 FY2026 interim report says the first phase of the adjacent solar facility, involving 215MWac, has been implemented.
Detailed source notes16
Sources
YTL Data Centers and Sea Break Ground with the RM1.5bil First Phase of the 500MW YTL Green Data Center Park in Johor
Malaysian Investment Development Authority (MIDA)
- Accessed date
Source noteVisit sourceOfficial release states a 500MW park and a first phase able to accommodate up to 72MW.
YTL Green Data Center Park Launches in Johor — The First Integrated Data Center Park Powered by Solar Energy in Malaysia
YTL Data Centers
- Publication date
- Accessed date
Source noteVisit sourceOperator announcement introduced a 500MW, 275-acre campus and said construction had started on a first 72MW facility then expected to enter service in Q1 2024.
YTL and GDS to Partner on 168MW Data Center Development at the YTL Green Data Center Park
YTL Data Centers
- Publication date
- Accessed date
Source noteVisit sourceOperator announcement described a 168MW co-development across eight facilities and separately noted that construction had commenced on 72MW for other hyperscale customers.
YTL Power International Berhad Annual Report 2024
YTL Power International Berhad
- Accessed date
Source noteVisit sourceOfficial annual report retained the 500MW campus description and said the first phase commenced operations in May 2024. It also described the NVIDIA GB200 NVL72 system as liquid-cooled.
YTL Power International Berhad Annual Report 2025
YTL Power International Berhad
- Accessed date
Source noteVisit sourceLatest annual report at review date states an increased target capacity of up to 600MW, from 500MW previously, and says additional phases were contracted with two further hyperscaler clients.
Malaysia — YTL Data Centers
YTL Data Centers
- Accessed date
Source noteVisit sourceCurrent operator location page states up to 600MW, identifies JDC1 as a 72MW operational facility and describes the campus as 275 acres.
YTL Johor Data Center 1
YTL Data Centers
- Accessed date
Source noteVisit sourceCurrent operator facility page states up to 72MW, 24 data hall suites, a three-storey two-wing layout and dedicated mechanical and electrical rooms.
YTL Power International Berhad Interim Financial Report Q3 FY2026
YTL Power International Berhad
- Publication date
- Accessed date
Source noteVisit sourceOfficial interim report states that the Group plans to increase the 600MW park to 1,000MW, with 298MW already contracted, and that the first 215MWac solar phase has been implemented.
YTL Corp's 3rd Quarter Revenue Increases 3% to RM7.6 Billion with Profit After Tax of RM629.2 Million
YTL Corporation Berhad
- Publication date
- Accessed date
Source noteVisit sourceOfficial results release repeats the 1,000MW planned expansion, 298MW contracted capacity and 215MWac first solar phase, and says data-hall completion and occupancy are progressing.
YTL Johor Data Center 2
YTL Data Centers
- Accessed date
Source noteVisit sourceOfficial facility page lists 20MW IT load, an N+1 chilled-water system with a thermal buffer storage tank and direct-to-chip liquid-cooling readiness. It does not provide a current launch or operating date.
YTL Johor Data Center 3
YTL Data Centers
- Accessed date
Source noteVisit sourceOfficial facility page lists 80MW IT load, an N+1 chilled-water system with a thermal buffer storage tank and a direct-to-chip liquid-cooling solution. Its stated 2025 launch plan is retained as a passed target, not evidence of current operation.
YTL Johor Data Center 6
YTL Data Centers
- Accessed date
Source noteVisit sourceOfficial facility page lists 40MW IT load, an N+1 chilled-water system with a thermal buffer storage tank, direct-to-chip readiness and fan-wall units in a service corridor. Its stated mid-2025 readiness target is retained as unverified.
YTL Creates One of the World's Most Advanced Supercomputers Powered by NVIDIA Grace Blackwell-Based DGX Cloud
YTL Power International Berhad
- Publication date
- Accessed date
Source noteVisit sourceOfficial YTL release locates the liquid-cooled NVIDIA GB200 NVL72 deployment at the park but does not name the facility cooling plant, CDU integrator or pump supplier.
Malaysia Accelerates Sovereign AI Ambition: NVIDIA and YTL Brief Prime Minister Anwar Ibrahim at APEC Summit
YTL Power International Berhad
- Publication date
- Accessed date
Source noteVisit sourceOfficial YTL release says a liquid-cooled AI data-centre facility at the park was completed and YTL AI Cloud was operational. It does not map that completed facility to JDC2, JDC3 or JDC6.
Chill Factor: NVIDIA Blackwell Platform Boosts Water Efficiency by Over 300x
NVIDIA
- Publication date
- Accessed date
Source noteVisit sourceOfficial NVIDIA technical explanation describes technology-cooling, CDU heat-exchanger and facility-cooling interfaces generically. It is used only to constrain interface analysis, not as evidence of YTL's exact hydraulic design.
Marketplace — Sustainable Supply Chain
YTL Corporation Berhad
- Accessed date
Source noteVisit sourceOfficial YTL sustainability page describes supplier registration, selection, risk assessment, operational control and local sourcing principles. It does not disclose a data-centre-specific vendor portal, prequalification event or tender.