DC3 is the third of Greenhouse Datacenters' three data centers in Naaldwijk. It stands behind the DC2 building and uses the same modular layout as DC2, so colocation customers can add capacity as their IT grows instead of reserving it all up front. The infrastructure follows Tier III design rules without formal certification. The UPS plant is 2N+1: two UPS systems that can each carry the full IT load, plus a compact extra module. Double cooling ring mains add redundancy on the cooling side. Greenhouse designed the building in-house with Eaton, Zwart Techniek, Zwarts Bouwbedrijf and Stulz, and reports a water usage effectiveness of 0.38 litres per kWh on Dutch wind power. An in-house DCIM system models the halls, aisles and racks as a digital twin.
Greenhouse chose to expand in Westland because the local grid has no congestion, unlike Amsterdam, and the site has under 1 ms of latency to the Amsterdam exchanges. That headroom has drawn other data center requests, and in December 2025 the municipality published a draft rule that would ban new data centers and the expansion of existing ones across Westland.
| Distance | Site | About |
|---|---|---|
| 0.03 miles | Greenhouse DC2 | |
| 0.07 miles | Greenhouse Datacenters DC1 | |
| 0.07 miles | Worldstream: Naaldwijk | |
| 2.90 miles | Switch Datacenters: AMS8 |
Switch Datacenters AMS8 is situated in Maasdijk, within the Rotterdam region. Construction is slated to begin in 2026.
|
| 5.75 miles | VOLT: Rotterdam AI Gigafactory |
Dutch AI data center company Volt has announced plans to develop a massive "AI Gigafactory" at the Port of Rotterdam, spearheading a national bid to host one of the European Union's flagship 300MW supercomputing clusters.
|
| 7.41 miles | NorthC: Delft | |
| 7.66 miles | UniQloud: The Hague PB400 |
PB400 is UniQloud's data center at Prinses Beatrixlaan 400 in The Hague, a brownfield conversion of a six-floor, 32,000-square-meter building. UniQloud markets sovereign, Dutch- and EU-governed cloud and colocation from the facility, with two direct-liquid-cooled floors and one air-cooled floor designed for NVIDIA NVL72 and Vera Rubin systems. The site has 11 carriers on site and sits about 40 km from the Amsterdam Internet Exchange.
|
| 7.69 miles | Cellnex: The Hague |
|
| 8.72 miles | Data Facilities: The Hague |
In 2014, Data Facilities acquired a former Vodafone Libertel site in The Hague, now known as THG1.
|
| 8.72 miles | ColoHouse The Hague | |
| 10.01 miles | Digital Residence Rotterdam Spanish Cube | |
| 10.01 miles | Eurofiber: Rotterdam 2 | |
| 10.68 miles | NorthC: Rotterdam Zestienhoven 2 |
Zestienhoven 2 is NorthC's modular building at Hatostraat 58, built by Kuijpers in 2021 against the original Zestienhoven 1, with 3,000 m² of data floor fitted out as demand grows.
|
| 10.69 miles | NorthC: Rotterdam Zestienhoven 1 |
Zestienhoven 1 is the original NorthC building on the Rotterdam Zestienhoven campus: a 3,000 m² data center at Tempelhof 5 with 1,600 m² of data floor, 2N generators and direct-air cooling.
|
| 10.69 miles | BT Netherlands: Rotterdam |
BT Netherlands operates a facility in Rotterdam.
|
| 10.80 miles | Data Facilities Spijkenisse DF1 |
Established in 2012 as an offshoot of the hosting provider Netrouting, Data Facilities began operations following the acquisition of a former EDS HP data center located in Spijkenisse.
|
| 10.90 miles | SmartDC Rotterdam | |
| 12.41 miles | Digital Residence Colo Centre Zoetermeer | |
| 12.41 miles | ColoCenter Zoetermeer |
|
| 12.60 miles | Luna Rotterdam Puntegale | |
| 12.83 miles | Caveo Internet | |
| 13.09 miles | House of Data: Rotterdam |
New Dutch operator House of Data plans to build a data center in Rotterdam.
|
| 13.38 miles | Cellnex: Rotterdam |
|
| 13.39 miles | NorthC: Rotterdam Waalhaven |
The site is located on the TU Delft campus
|
| 15.68 miles | Databarn Rotterdam Rivium | |
| 16.32 miles | Caveo Internet Capelle |
Greenhouse Datacenters BV is a sister company of the Dutch infrastructure-as-a-service provider Worldstream, and in June 2024 the private equity firm Freshstream took a majority stake in the group. The company was registered in January 2013, opened its first data center that year, and has its head office on Industriestraat in Naaldwijk. It runs colocation from three data center sites in Naaldwijk, from a few racks to full cages, plus connectivity and bespoke infrastructure services. Customers include IT service providers, MSPs, hosting providers, system integrators, and organizations in healthcare, finance, and the public sector.
More than 10 connectivity providers serve the sites, along with internet exchanges including AMS-IX, NL-IX, DE-CIX, and SpeedIX, and an AMS-IX point of presence on site. The IOEMA project selected Greenhouse as a landing station for its planned subsea cable linking the Netherlands, Germany, the United Kingdom, Denmark, and Norway. The sites run on 100 percent green electricity and hold ISO/IEC 27001, ISO 9001, ISO 14001, NEN 7510, PCI DSS, and ISAE 3402 certifications.
October 13, 2026 Nebius
VOLT has lined up Nebius as the first off-taker at its Rotterdam AI Gigafactory, the anchor customer the Dutch developer needs before it can take a 600 MW campus at the Port of Rotterdam to lenders. The letter of intent, announced Monday, covers a long-term lease, with a first phase of two...
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