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Galaxy Data Center (Silicon Tech Park, Rayong)

Ban Chang, Rayong, Thailand · EEC (Eastern Seaboard) market · location approximate to district level

Galaxy Data Center (Silicon Tech Park, Rayong) is a data center project in Ban Chang, Thailand, operated by Galaxy Data Center (GDC). It is under construction. It is planned for 310 MW of IT load.

Latest change on record: entered the record as under construction on 25 September 2026.

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Stage
Under construction
Planned IT load
310 MW
Running now
Not disclosed
Operator
Galaxy Data Center (GDC)
Colocation
AI workloads
Likely
Evidence grade
Corroborated
Will it get built?Strong6 of 7 gates passed
✓ Land secured✓ Power arranged✓ Approvals granted✓ Money committed○ Tenant or own use✓ Builder appointed✓ Construction started

Next gate to watch: Tenant or own use.

Your call. Will it be built?

Build odds is ArusGrid's reading of the public record, not a forecast, a rating or advice. It counts the gates this project has passed in public sources. Private progress does not show, a passed gate can be undone, and projects that pass every gate still stop. The method has not yet been tested against outcomes. How it works.

How Thailand approves, powers and taxes data centers is on Data center rules in Thailand.

Thailand, 2026-09-24. Thailand asked developers on 4 September 2026 to pause 49 data centres under construction and froze 117 pending approvals while it writes new rules, due by mid October. The government has said it cannot legally enforce the pause. No list of affected projects has been published, so no Thai project has changed stage on this basis. A separate data centre electricity tariff has been created with no rate set.

How well evidenced is it

Construction or financing is evidenced, or several independent signals agree. On record: named funder, committed or approved capital, three or more sources, dated source in the last 24 months. Criteria.

AI workloads

StatusLikely

Explicitly described as a large-scale computing cluster for advanced AI workloads; 150MW greenfield.

Access to AI chips

GradeNo US licence required

This country carries no US destination-based licence requirement for advanced AI chips as the rules are enforced today. Access is a commercial matter between the project and its vendors. Criteria.

Stage history

2026-09-25Under construction · khaosodenglish.com

Who is behind it

OperatorGalaxy Data Center (GDC) · Colocation
Funder, EquityGalaxy Data Center

Who uses the compute

Checked on 2026-10-01. No user of this capacity is on the public record. ArusGrid read the operator's releases, the landlord's and contractors' exchange filings, regulator and lender documents and interconnection records. Most colocation leases are confidential, so this says nothing about occupancy.

Money at this site

Announced investment, 2025-09US$2,000m

The figure covers the whole campus.

Platform deals that include it

Galaxy Data Center Thailand programme
Country programme, 2025-09
US$2.0bn

Platform capital spans several sites. It is never added to this project's own figure.

Project team
Civil and structural worksChina Construction Third Engineering Bureau No.1 Co (CSCEC 3rd Bureau First Co) · Mar 2026 Inferred by ArusGrid source ↗
New-build data centre, civil works general contracting
Why we think so. Source names owner GALAXY PEAK; BOI approval lists Galaxy Peak Data Center Co., Ltd. in Rayong (160MW), part of the Galaxy campus at Silicon Tech Park.
Land
Industrial estateSilicon Tech Park Co., Ltd. (Silicon Tech Park, Ban Chang District, Rayong) · Aug 2025 Reported source ↗
Site is Silicon Tech Park in Ban Chang (EECtp area); area and tenure not disclosed
Power supply
On-site solarAug 2025 Reported source ↗
'A photovoltaic power plant will also be developed at the site.' · Grid utility/substation not disclosed · Applies to the whole campus.
On-site solarGalaxy Data Center with Silicon Tech Park · Aug 2025 Reported source ↗
A photovoltaic power plant is planned at the site alongside the data centre. · Planned, no capacity given. · Applies to the whole campus.
Grid supplyProvincial Electricity Authority (PEA) · 230 MW · Oct 2026 Reported source ↗
Galaxy says it will use renewable energy but gives no detail. · Phase 1 will draw 230MW. Galaxy says it connects directly to the PEA grid.
Water and cooling
WaterIndustrial raw water · Private raw-water suppliers (unnamed) Reported source ↗
Approx. 65% of water is raw water from private suppliers; remaining ~35% is treated municipal tap water (see separate fact). Operator says WUE will be publicly disclosed.
Cooling Reported source ↗
Article cites 'Liquid Cooling technology'; exact type not specified
WaterMains drinking water · Provincial Waterworks Authority (PWA), Ban Chang Branch Reported source ↗
Approx. 35% treated municipal tap water; project contributed over THB 37 million to PWA Ban Chang Branch for supply upgrades and dedicated pipelines.
Cooling Reported source ↗
Liquid cooling cited
WaterMains drinking water · Provincial Waterworks Authority (PWA), Ban Chang Branch Reported source ↗
Planned supply is about 35% PWA tap water and 65% raw water from a private supplier, with a dry season backup plan. The developer is funding over 37 million baht for PWA Ban Chang to extend distribution and lay pipes to the site. It says it will disclose actual water use and WUE.
Cooling Reported source ↗
Described only as liquid cooling with water recycling.
WaterIndustrial raw water · Private raw-water suppliers (about 65%) and PWA Ban Chang tap water (about 35%) Reported source ↗
The project gave more than THB37 million to PWA Ban Chang to upgrade water distribution and lay a supply pipe to the site. It has a dry season backup plan and says it will publish actual water use and WUE.
Cooling Reported source ↗
The developer says it uses liquid cooling and recirculates water for reuse.
WaterMains drinking water · Provincial Waterworks Authority (PWA), Ban Chang Branch Reported source ↗
Galaxy Data Center Co., Ltd. says it gave more than THB 37 million to the PWA Ban Chang branch to upgrade water distribution and lay pipes to the site. It says it will publish actual water use and its WUE.
Cooling Reported source ↗
The developer describes liquid cooling with water recirculated for reuse. The exact liquid cooling type is not stated.
WaterMains drinking water · Provincial Waterworks Authority (PWA), Ban Chang Branch · 5,000 m³ a day Reported source ↗
The PWA Ban Chang branch manager said Galaxy applied for 7,000 m3 per day and was approved for 5,000 m3 per day.
CoolingDirect liquid cooling Reported source ↗
Closed-loop liquid cooling sends chilled water directly to the chips.
WaterMains drinking water · Provincial Waterworks Authority (PWA), Ban Chang Branch · 5,000 m³ a day Reported source ↗
The PWA Ban Chang branch manager said the data centre asked for 7,000 m3 of water a day and was approved for 5,000 m3 a day. Galaxy says PWA tap water is about 35% of its supply and private suppliers provide the other 65%.
CoolingDirect liquid cooling Reported source ↗
Closed-loop liquid cooling with chilled water taken direct to the chips, as described by Galaxy at the Ban Chang Talks forum.

Sources

  1. datacenterdynamics.com
  2. mingtiandi.com
  3. structureresearch.net
  4. datacentermap.com
  5. galaxy-dc.com
  6. Galaxy Data Center Secures US$250 Million to Build Next-Generation Green Compute Infrastructure in SEA (TNGlobal, 2026-06-17)
  7. Raid by authorities sees illegal migrant workers arrested at under-construction data center site in Rayong, Thailand (DatacenterDynamics, 2026-08-12)
  8. Ban Chang talks unveil data center-community model: turning 6 key issues into transparent solutions (Khaosod English, 2026-09-25)
  9. China's Galaxy Data Center to invest $2B in Thailand computing cluster (Mingtiandi, 2025-08-11)
  10. 'บ้านฉาง ทอล์ค' เปิดโมเดล ดาต้า เซ็นเตอร์ อยู่ร่วมชุมชน จาก 6 ปมร้อน สู่ระบบ 'ร่วมตรวจสอบ' (Naewna, 2026-09-25)
  11. เปิดโมเดล Data Center อยู่ร่วมชุมชน 'บ้านฉาง' สกัดปัญหาพื้นที่ EEC (Bangkok Biz News, 2026-09-25)
  12. ‘บ้านฉาง ทอล์ค’ เปิดโมเดล ดาต้า เซ็นเตอร์ อยู่ร่วมชุมชน จาก 6 ปมร้อน สู่ระบบ “ร่วมตรวจสอบ” (Khaosod, 2026-09-25)
  13. ‘ดาต้าเซ็นเตอร์’ พื้นที่ EEC โอกาสเศรษฐกิจที่ขโมยทรัพยากรชุมชน? (Krungthep Turakij (Bangkok Biz News), 2026-10-26)
  14. ‘กาแล็คซี่ ดาต้าเซ็นเตอร์’ เปิดเวทีฟังความเห็นประชาชน ตั้งสภาชุมชนตรวจสอบการทำงาน (Bangkok Biz News (กรุงเทพธุรกิจ), 2026-09-28)

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