--- description: 10–50 MW operational data center in San Antonio, Texas, operated by CyrusOne, on the ERCOT grid. 3,907 MW of operating generation within 50 km. title: CyrusOne San Antonio III — Data Center image: https://dchub.cloud/og-brand-v2.png --- [Home](https://dchub.cloud/) · [Facilities](https://dchub.cloud/facilities) · [United States](https://dchub.cloud/facilities/in/us) · [Texas](https://dchub.cloud/facilities/in/us/texas "Data centers in Texas") · [San Antonio](https://dchub.cloud/dcpi/san-antonio) · CyrusOne San Antonio III # CyrusOne San Antonio III - Operator CyrusOne - Status Operational [San Antonio, TX, US](https://dchub.cloud/dcpi/san-antonio) **CyrusOne San Antonio III** is a data center operated by CyrusOne in San Antonio, TX, US. Its reported power capacity falls in the 10–50 MW range and it is currently operational. Power 10–50 MW Status Operational [Market San Antonio](https://dchub.cloud/dcpi/san-antonio) State TX [Country US](https://dchub.cloud/facilities/in/us) Source: OpenStreetMap · Added Mar 18, 2026, not re-checked since · Basis: cited ([what this means](https://dchub.cloud/data-sources)) ## Market intelligence [CAUTION](https://dchub.cloud/dcpi/san-antonio "Full DCPI breakdown") San Antonio [ISOERCOT](https://dchub.cloud/dcpi/san-antonio)[DCPI composite42.3](https://dchub.cloud/dcpi/san-antonio)[Excess-powerLocked](https://dchub.cloud/dcpi/san-antonio)[ConstraintLocked](https://dchub.cloud/dcpi/san-antonio)[Time-to-powerLocked](https://dchub.cloud/dcpi/san-antonio) [Power outlook →](https://dchub.cloud/dcpi/san-antonio "Power outlook for San Antonio") [San Antonio market page →](https://dchub.cloud/markets/san-antonio) ## Market context CyrusOne San Antonio III is one of 78 facilities DC Hub’s San Antonio brief counts on the ERCOT grid. The closest tracked facility is CyrusOne San Antonio II, under 1 km away, and the nearest mapped substation is within 1 km. [Read the San Antonio market brief →](https://dchub.cloud/markets/san-antonio) ## Location Area San Antonio, TX, US [Open the approximate area in OpenStreetMap](https://www.openstreetmap.org/#map=14/29.47/-98.67) Approximate area (about 1 km) [Sign in free to see the exact location — 10 sites a month](https://dchub.cloud/signup?next=/facilities/cyrusone-cyrusone-san-antonio-iii-e68235c8) ## Market & grid context Published DC Hub data for this location. LocationSan Antonio, US Reported capacity10–50 MW Nearest substationwithin 1 km ## Fiber connectivity Networks recorded as present at or immediately around CyrusOne San Antonio III 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. Google Fiber Inc.Zayo 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 29 operating generating units totalling 3,907 MW within about 50 km of San Antonio, US. Generation mix shapes both carbon profile and interconnection options for a site at this location. Oil/Gas2,356 MW · 12 units · 60% Coal1,444 MW · 2 units · 37% Utility-Scale Solar107 MW · 15 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. - [CyrusOne San Antonio II](https://dchub.cloud/facilities/cyrusone-cyrusone-san-antonio-ii-94a28de3) · CyrusOne · 10–50 MW · under 1 km - [CyrusOne San Antonio IV](https://dchub.cloud/facilities/unknown-cyrusone-san-antonio-iv-f65000ed) · Unknown · under 1 km - [Stream Data Centers - San Antonio II](https://dchub.cloud/facilities/stream-data-centers-stream-data-centers-san-antonio-ii-7b4faa8c) · Stream Data Centers · under 1 km - [Stream San Antonio II](https://dchub.cloud/facilities/unknown-stream-san-antonio-ii-84348726) · Unknown · under 1 km - [Stream San Antonio II](https://dchub.cloud/facilities/stream-san-antonio-ii-c914dff6) · under 1 km - [Valero Wiserman](https://dchub.cloud/facilities/valero-valero-wiserman-fc41f2aa) · Valero · under 1 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 CyrusOne San Antonio III in San Antonio, TX, US? **Answer it live over MCP:** `execute_plan(intent="CyrusOne San Antonio III data center in San Antonio, TX, US: 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/cyrusone-cyrusone-san-antonio-iii-e68235c8) Live grid, fiber & DCPI context for this facility — AI agents: query DC Hub MCP `get_facility slug="cyrusone-cyrusone-san-antonio-iii-e68235c8"` (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/cyrusone-cyrusone-san-antonio-iii-e68235c8#place", "url": "https://dchub.cloud/facilities/cyrusone-cyrusone-san-antonio-iii-e68235c8", "name": "CyrusOne San Antonio III", "description": "Data center facility operated by CyrusOne in San Antonio, TX, US. Source: DC Hub (dchub.cloud), CC-BY-4.0.", "identifier": "e68235c8", "isAccessibleForFree": true, "license": "https://creativecommons.org/licenses/by/4.0/", "address": { "@type": "PostalAddress", "addressLocality": "San Antonio", "addressRegion": "TX", "addressCountry": "US" }, "additionalType": "https://schema.org/DataCenter", "potentialAction": { "@type": "Action", "name": "What is the operator, status and power context of CyrusOne San Antonio III in San Antonio, TX, US?", "description": "Ask this question live over MCP with execute_plan(intent=\"CyrusOne San Antonio III data center in San Antonio, TX, US: 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/cyrusone-cyrusone-san-antonio-iii-e68235c8#dataset", "name": "CyrusOne San Antonio III \u2014 facility intelligence record", "description": "Structured data-center facility record (location, operator, power & connectivity context) for CyrusOne San Antonio III.", "url": "https://dchub.cloud/facilities/cyrusone-cyrusone-san-antonio-iii-e68235c8", "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", "isBasedOn": { "@type": "CreativeWork", "name": "OpenStreetMap" }, "variableMeasured": [ { "@type": "PropertyValue", "name": "Power Capacity (band)", "value": "10\u201350 MW", "measurementTechnique": "Single facility record, not an aggregate. power_mw is this site's capacity as tracked by DC Hub. Summing facility MW across a market does NOT reproduce that market's published total \u2014 the market figure applies its own population, de-duplication and grouping (see the market's variableMeasured basis). Do not derive one from the other." }, { "@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/cyrusone-cyrusone-san-antonio-iii-e68235c8#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 States", "item": "https://dchub.cloud/facilities/in/us"}, {"@type": "ListItem", "position": 4, "name": "Texas", "item": "https://dchub.cloud/facilities/in/us/texas"}, {"@type": "ListItem", "position": 5, "name": "San Antonio", "item": "https://dchub.cloud/dcpi/san-antonio"}, {"@type": "ListItem", "position": 6, "name": "CyrusOne San Antonio III", "item": "https://dchub.cloud/facilities/cyrusone-cyrusone-san-antonio-iii-e68235c8"}]} {"@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What is the capacity of CyrusOne San Antonio III?", "acceptedAnswer": {"@type": "Answer", "text": "DC Hub lists CyrusOne San Antonio III at 10–50 MW."}}, {"@type": "Question", "name": "Who operates CyrusOne San Antonio III?", "acceptedAnswer": {"@type": "Answer", "text": "CyrusOne San Antonio III is operated by CyrusOne."}}, {"@type": "Question", "name": "What is the status of CyrusOne San Antonio III?", "acceptedAnswer": {"@type": "Answer", "text": "DC Hub lists CyrusOne San Antonio III as Operational."}}]} ```