{"_gated":true,"as_of":"2026-10-19 23:35:02.639986+00","as_of_basis":"MAX(discovered_at) over the facilities this response counts - the newest observation in this cut, not a re-verification of every row in it.","by_status":{"Announced":60,"Operational":108,"Under Construction":1,"unknown":4},"by_status_basis":"status counts over stats.registry_rows (city-grouped records), not over the headline facility_count","market":{"cities":["Chicago","Aurora","Elk Grove","Schaumburg"],"id":"chicago","name":"Chicago"},"market_pricing":{"asking_rate":null,"asking_rate_range":null,"available":true,"basis":"broker_report","deal_size":null,"excludes":"Asking base rent per kW of critical IT capacity. Electricity is normally billed separately (metered pass-through), plus cross-connects and one-time fees. Signed deals, term and size change the number.","period":"H1 2026","rates_note":"Broker lease rates (CBRE/JLL): available on paid plans","rates_upgrade_url":"https://dchub.cloud/pricing","rates_withheld":true,"source":"CBRE North America Data Center Trends H1 2026 (250+ kW): Chicago","source_url":"https://www.cbre.com/insights/books/north-america-data-center-trends-h1-2026","stale":false,"unit":null,"vacancy_percent":null},"recent_facilities":[{"city":"AURORA","discovered_at":"2026-10-19 23:35:02.639986+00","id":15423452,"name":"AMAZON DATA SERVICES - DEN-22","power_mw":null,"provider":"Amazon Web Services","status":"Operational"},{"city":"Chicago","discovered_at":"2026-09-26","id":14042433,"name":"Digital Realty 1400 East Devon Ave","power_mw":null,"provider":"Digital Realty 1400 East Devon","status":"Announced"},{"city":"Chicago","discovered_at":"2026-09-26","id":14042405,"name":"Quadranet Chicago New","power_mw":null,"provider":"Quadranet Chicago","status":"Announced"},{"city":"Chicago","discovered_at":"2026-09-10","id":13118598,"name":"Digital Realty 9377 Grand Avenue Ord14","power_mw":null,"provider":"Digital Realty 9377 Grand Avenue","status":"Announced"},{"city":"Chicago","discovered_at":"2026-09-10","id":13118597,"name":"Digital Realty 9355 Grand Avenue Ord13","power_mw":null,"provider":"Digital Realty 9355 Grand Avenue","status":"Announced"}],"related_intel":[],"siting":{"available":true,"dcpi":{"as_of":"2026-10-20T11:57:07.026708+00:00","band":"did not clear a BUILD or CAUTION band (fallback; includes a market with a missing input)","data_basis":"mixed","definition":"Thresholds are the published DCPI method, not this market's scores. The scores are a paid field.","method_url":"https://dchub.cloud/dcpi/methodology","signal_tier":"full","signal_tier_means":"input coverage: how many of the 3 live grid feeds fed this market's score (full = 3 of 3). Not an access level.","verdict":"AVOID"},"iso":{"as_of":"2026-10-20T11:57:07.026708+00:00","class":"RTO","code":"PJM","operator":"PJM Interconnection"},"mw":{"as_of":"2026-10-19 23:35:02.639986+00","coverage":"PARTIAL","coverage_pct":12.5,"note":"Sum over the rows that report capacity only; 26 of 173 rows report any. Read total_mw as a floor for the rows counted, not the market's capacity.","rows_reporting":38,"rows_total":304,"total_mw":1563.0},"time_to_power":{"as_of":"2026-10-20T11:57:07.026708+00:00","band":"24_to_48_months","edges_months":[24,48],"not_a_date":"A modeled band over months, not an energize-by date. DC Hub does not publish a date a utility has not."},"utilities":{"as_of":null,"basis":"UNMEASURED - no market-to-serving-utility mapping is published for this market. iso.operator is the grid operator, not the retail utility.","names":null}},"stats":{"avg_power_mw":null,"facility_count":304,"headline_basis":"every facility listing DC Hub tracks in this market (operational, under construction, planned and announced; verified and unverified listings included), deduplicated by name + operator across the facilities and discovered_facilities tables. MW is summed over the listings that report capacity (mw_reporting_count of facility_count), so read it as a floor.","mw_reporting_count":38,"provider_count":98,"registry_rows":{"basis":"city-grouped rows of discovered_facilities (one row per record, not deduplicated across tables); by_status and recent_facilities are this cut. Quote facility_count above, not this.","capacity_basis":{"aggregation":"sum_rows","aggregation_means":"SUM(power_mw) over every qualifying row \u2014 the plain total. Adds a site twice when it is held as several keeper rows","compare_note":"MW totals from different surfaces are comparable only when all three axes match. A larger number is usually a wider population, not more capacity. Definitions: https://dchub.cloud/data-sources","fleet_filter":"duplicate records excluded","grouping":"city","grouping_means":"city alone \u2014 merges same-named cities in different states","note":"Read mw_reporting_count beside this total: it is the number of counted rows that reported any capacity at all. /markets/<slug> publishes sum_sites over the same market and reads higher.","population":"tracked","population_means":"every facility in the fleet, any lifecycle status, whether or not we hold a capacity figure for it \u2014 the widest honest answer"},"count_basis":{"compare_note":"Counts from different surfaces are comparable only when all three axes match. Definitions: https://dchub.cloud/data-sources","fleet_filter":"duplicate records excluded","grouping":"city","grouping_means":"city alone \u2014 merges same-named cities in different states","note":"This route. /markets/<slug> and its .json twin publish tracked / distinct_site / market_slug and read HIGHER on the same market \u2014 a wider grouping and a collapsed unit, not more facilities.","population":"tracked","population_means":"every facility in the fleet, any lifecycle status, whether or not we hold a capacity figure for it \u2014 the widest honest answer","unit":"row","unit_means":"one record in the facilities registry \u2014 over-counts a site held as several records"},"facility_count":173,"mw_reporting_count":26,"total_power_mw":1210.0},"total_power_mw":1563.0,"unverified_included":true},"success":true,"top_providers":[{"facilities":17,"name":"Digital Realty","power_mw":null},{"facilities":6,"name":"NTT","power_mw":null},{"facilities":6,"name":"Equinix","power_mw":null},{"facilities":5,"name":"CyrusOne","power_mw":null},{"facilities":5,"name":"CoreSite","power_mw":null}]}