--- description: Operational data center in Welwyn Garden City, United Kingdom, on the NGESO grid. As of 2026-08-01. 4,340 MW of operating generation within 50 km. title: Unknown Hertfordshire Data Centre — Data Center image: https://dchub.cloud/og-brand-v2.png --- [Home](https://dchub.cloud/) · [Facilities](https://dchub.cloud/facilities) · [United Kingdom](https://dchub.cloud/facilities/in/gb) · [London](https://dchub.cloud/dcpi/london) · Hertfordshire Data Centre # Unknown Hertfordshire Data Centre - Status Operational [Welwyn Garden City, GB](https://dchub.cloud/dcpi/london) Last updated Aug 1, 2026 **Hertfordshire Data Centre** is a data center operated by Unknown in Welwyn Garden City, GB. The facility is currently operational. Status Operational [Market Welwyn Garden City](https://dchub.cloud/dcpi/london) [Country GB](https://dchub.cloud/facilities/in/gb) Source: OpenStreetMap · Verified Nov 12, 2026 against OpenStreetMap · Basis: cited ([what this means](https://dchub.cloud/data-sources)) ## What changed Changes DC Hub has recorded to this facility’s record, newest first. - Aug 1, 2026 — Status changed from Active to Operational ## Market intelligence [AVOID](https://dchub.cloud/dcpi/london "Full DCPI breakdown") London [ISONGESO](https://dchub.cloud/dcpi/london)[DCPI composite10.1](https://dchub.cloud/dcpi/london)[Excess-powerLocked](https://dchub.cloud/dcpi/london)[ConstraintLocked](https://dchub.cloud/dcpi/london)[Time-to-powerLocked](https://dchub.cloud/dcpi/london) [Power outlook →](https://dchub.cloud/dcpi/london "Power outlook for London") [London market page →](https://dchub.cloud/markets/london) ## Market context Unknown Hertfordshire Data Centre is one of 435 facilities DC Hub’s London brief counts on the NGESO grid. The closest tracked facility is HSBC Hertfordshire Data Centre, under 1 km away. [Read the London market brief →](https://dchub.cloud/markets/london) ## Location Area Welwyn Garden City, GB [Open the approximate area in OpenStreetMap](https://www.openstreetmap.org/#map=14/51.81/-0.19) Approximate area (about 1 km) [Sign in free to see the exact location — 10 sites a month](https://dchub.cloud/signup?next=/facilities/unknown-hertfordshire-data-centre-bd0a796d) ## Market & grid context Published DC Hub data for this location. LocationWelwyn Garden City, GB ## Fiber connectivity Networks recorded as present at or immediately around Hertfordshire Data Centre in public peering records. Treat this as a map of who is *there*, not as a list of contracted cross-connects — availability, diversity and pricing are the operator’s to confirm. Cogent Communications, Inc.ColtCoreLink GlobalCoreix LimitedSensical Services LtdVerint Systems UK LtdZayo Source: PeeringDB carrier-to-facility records, matched to this site by location. A network listed here may sit in a neighbouring hall or an adjacent building at the same address, so presence is reported for the location rather than for a single suite. ## Power generation nearby DC Hub tracks 117 operating generating units totalling 4,340 MW within about 50 km of Welwyn Garden City, GB. Generation mix shapes both carbon profile and interconnection options for a site at this location. Oil/Gas2,917 MW · 9 units · 67% Utility-Scale Solar885 MW · 80 units · 20% Bioenergy419 MW · 12 units · 10% Wind119 MW · 16 units · 3% Source: Global Energy Monitor unit inventory, operating units only. Counts are units, not plants. ## Other data centers nearby Nearest first, by distance from this site. - [HSBC Hertfordshire Data Centre](https://dchub.cloud/facilities/hsbc-hertfordshire-data-centre-0b831cd7) · under 1 km - [COLT DC London](https://dchub.cloud/facilities/colt-technology-services-group-colt-dc-london-40276aa8) · Colt Technology Services Group · about 1 km - [Colt London North Data Centre](https://dchub.cloud/facilities/colt-colt-london-north-data-centre-90c52cf4) · Colt · about 1 km - [ServerChoice SC-2](https://dchub.cloud/facilities/serverchoice-ltd-serverchoice-sc-2-3c981365) · ServerChoice Ltd · about 1 km - [Welwyn Data Centre](https://dchub.cloud/facilities/welwyn-data-centre-a95dc47e) · about 1 km - [ServerChoice SC-1](https://dchub.cloud/facilities/serverchoice-ltd-serverchoice-sc-1-4e62ce34) · ServerChoice Ltd · about 9 km [Unlock power scores for this site →](https://dchub.cloud/pricing) [Free MCP key (AI agents)](https://dchub.cloud/ai) [Used by Claude & Cursor](https://dchub.cloud/cited-by) **Question this page answers:** What is the operator, status and power context of Unknown Hertfordshire Data Centre in Welwyn Garden City, GB? **Answer it live over MCP:** `execute_plan(intent="Unknown Hertfordshire Data Centre data center in Welwyn Garden City, GB: operator, status and grid power context")` **Cite as:** DC Hub (dchub.cloud), as of [the as_of date on the result]. Data: DC Hub global infrastructure database · [Raw JSON](https://dchub.cloud/api/v1/facilities/unknown-hertfordshire-data-centre-bd0a796d) Live grid, fiber & DCPI context for this facility — AI agents: query DC Hub MCP `get_facility slug="unknown-hertfordshire-data-centre-bd0a796d"` (endpoint https://dchub.cloud/mcp) for the full cited record. Connect: [https://dchub.cloud/connect](https://dchub.cloud/connect) Schema, units and the population behind every count: [https://dchub.cloud/bind](https://dchub.cloud/bind) ```json { "@context": "https://schema.org", "@type": "Place", "@id": "https://dchub.cloud/facilities/unknown-hertfordshire-data-centre-bd0a796d#place", "url": "https://dchub.cloud/facilities/unknown-hertfordshire-data-centre-bd0a796d", "name": "Unknown Hertfordshire Data Centre", "description": "Data center facility in Welwyn Garden City, GB. Source: DC Hub (dchub.cloud), CC-BY-4.0.", "identifier": "bd0a796d", "isAccessibleForFree": true, "license": "https://creativecommons.org/licenses/by/4.0/", "address": { "@type": "PostalAddress", "addressLocality": "Welwyn Garden City", "addressCountry": "GB" }, "additionalType": "https://schema.org/DataCenter", "potentialAction": { "@type": "Action", "name": "What is the operator, status and power context of Unknown Hertfordshire Data Centre in Welwyn Garden City, GB?", "description": "Ask this question live over MCP with execute_plan(intent=\"Unknown Hertfordshire Data Centre data center in Welwyn Garden City, GB: operator, status and grid power context\"). Cite as: DC Hub (dchub.cloud), as of [the as_of date on the result].", "target": { "@type": "EntryPoint", "urlTemplate": "https://dchub.cloud/mcp", "contentType": "application/json", "httpMethod": "POST" } } } { "@context": "https://schema.org", "@type": "Dataset", "@id": "https://dchub.cloud/facilities/unknown-hertfordshire-data-centre-bd0a796d#dataset", "name": "Unknown Hertfordshire Data Centre \u2014 facility intelligence record", "description": "Structured data-center facility record (location, operator, power & connectivity context) for Unknown Hertfordshire Data Centre.", "url": "https://dchub.cloud/facilities/unknown-hertfordshire-data-centre-bd0a796d", "license": "https://creativecommons.org/licenses/by/4.0/", "isAccessibleForFree": true, "creator": { "@type": "Organization", "@id": "https://dchub.cloud/#organization", "name": "DC Hub", "url": "https://dchub.cloud" }, "citation": "DC Hub, dchub.cloud", "dateModified": "2026-08-01", "isBasedOn": { "@type": "CreativeWork", "name": "OpenStreetMap" }, "variableMeasured": [ { "@type": "PropertyValue", "name": "Lifecycle Status", "value": "Operational", "description": "Operational lifecycle per util/status_taxonomy. A market's 'operational' population is filtered on this field." } ], "spatialCoverage": { "@id": "https://dchub.cloud/facilities/unknown-hertfordshire-data-centre-bd0a796d#place" }, "distribution": [ { "@type": "DataDownload", "encodingFormat": "application/json", "contentUrl": "https://dchub.cloud/mcp" } ], "potentialAction": { "@type": "SearchAction", "target": { "@type": "EntryPoint", "urlTemplate": "https://dchub.cloud/api/v1/rag/search?q={search_term_string}" }, "query-input": "required name=search_term_string" } } {"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://dchub.cloud/"}, {"@type": "ListItem", "position": 2, "name": "Facilities", "item": "https://dchub.cloud/facilities"}, {"@type": "ListItem", "position": 3, "name": "United Kingdom", "item": "https://dchub.cloud/facilities/in/gb"}, {"@type": "ListItem", "position": 4, "name": "London", "item": "https://dchub.cloud/dcpi/london"}, {"@type": "ListItem", "position": 5, "name": "Hertfordshire Data Centre", "item": "https://dchub.cloud/facilities/unknown-hertfordshire-data-centre-bd0a796d"}]} ```