{ "generated_at": "2026-07-29T19:58:37.861412+00:00", "generator": "Project Helios", "disclaimer": "Helios infers development activity from public records. Confidence scores are model output, not fact. Helios does not assert the identity of any facility operator unless a direct filing establishes it. Estimates are labelled as such and must not be cited as measurements.", "site": { "project_code": "AZ-CHANDLER-006", "jurisdiction": "Chandler", "county": "Maricopa", "site_kind": "enterprise_data_center", "site_kind_assertion": "reported", "current_stage": 7, "current_stage_label": "Operational", "current_confidence": 67.35, "total_acres": 4.9443, "first_signal_date": "2021-03-22", "latest_signal_date": "2026-07-28", "operator_status": "not_established", "summary": "2 parcel(s) totalling 4.9 acres near 2600 W GERMANN RD, Chandler. Title of record is held by H5 DATA CENTERS CHANDLER LLC. Helios has not established which organization, if any, operates or will operate a facility here.", "boundary": { "type": "MultiPolygon", "coordinates": [ [ [ [ -111.88498425787434, 33.27627384605597 ], [ -111.88503230786056, 33.276232522524445 ], [ -111.8851211072247, 33.276271496105934 ], [ -111.88643869050645, 33.276248578644775 ], [ -111.88643853419958, 33.27673552402059 ], [ -111.88659098279489, 33.2767355593185 ], [ -111.8865909738117, 33.27676343036987 ], [ -111.88658705751031, 33.27683771183759 ], [ -111.8865767684404, 33.27691138143039 ], [ -111.88656018281887, 33.27698389343644 ], [ -111.88653742350469, 33.277054710718794 ], [ -111.88650865908879, 33.277123308694286 ], [ -111.8864741026453, 33.27718917921938 ], [ -111.88643401015308, 33.27725183435429 ], [ -111.88638867859963, 33.27731080997743 ], [ -111.8861723517028, 33.277575429279786 ], [ -111.88549312832997, 33.27757409773639 ], [ -111.88495607952049, 33.277573040312184 ], [ -111.88495428019499, 33.27705743558659 ], [ -111.88498699953259, 33.27705735522787 ], [ -111.8849852379363, 33.27655369769222 ], [ -111.88498425787434, 33.27627384605597 ] ] ] ] } }, "evidence": [ { "id": "45ff0b76-718b-4d2d-a902-19f7ffd13cb7", "evidence_kind": "transmission_filing", "summary": "ACC docket E-01933A-21-0099: 230 kV transmission line siting application. Filed by Salt River Project Agricultural Improvement and Power District on 2021-03-22. Helios ingested a recorded fixture, not a live scrape.", "snippet": "Proposes rebuild and tap of a 230 kV circuit to serve projected large industrial load south of the Loop 202.", "snippet_locator": "$.docket.filings[0]", "observed_at": "2021-03-22", "assertion_class": "extracted", "extraction_method": "structured_feed", "polarity": "supporting", "confidence": 0.85, "human_review_status": "not_reviewed", "is_standing_condition": false, "normalized_values": { "fields": [ { "name": "docket_number", "value": "E-01933A-21-0099", "locator": "$.docket.docket_number", "raw_text": null, "raw_unit": null, "confidence": 1.0, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "utility_name", "value": "Salt River Project Agricultural Improvement and Power District", "locator": "$.docket.utility_name", "raw_text": null, "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "filing_category", "value": "transmission_filing", "locator": "$.docket.filings[0].category", "raw_text": null, "raw_unit": null, "confidence": 0.9, "assertion_class": "extracted", "normalized_unit": null, "extraction_method": "pattern_rule" } ], "permit_id": "dc37fc2f-9cdb-4946-9816-55f00f6d3c5f", "is_standing_condition": false }, "source": { "document_id": "358e1b15-06a3-45ce-83ab-0e7cd15037af", "document_version_id": "fa692e40-b33d-43ae-837d-d69e7a10e283", "source_slug": "azcc-edocket", "source_name": "Arizona Corporation Commission eDocket", "agency": "Arizona Corporation Commission", "source_url": "https://edocket.azcc.gov/search/docket-search", "retrieved_at": "2026-07-28T17:30:31.300496Z", "content_sha256": "0d9fd1cefbd138ea0bd15962089a5067d90f0d0f6b2b44ade8841fcf200d3c4a", "parser_version": "0.1.0", "attribution_text": null } }, { "id": "d6ef521e-8a78-4d93-9ee0-0b5b9ec89d0e", "evidence_kind": "shell_entity_ownership", "summary": "Title is held by H5 DATA CENTERS CHANDLER LLC, whose name shows single-purpose-entity characteristics (pass-through legal form (LLC)). This is a weak signal only: project-specific entities are routine in ordinary commercial real estate and imply no particular parent.", "snippet": "OwnerName = H5 DATA CENTERS CHANDLER LLC", "snippet_locator": "$.features[12].attributes.OwnerName", "observed_at": "2025-03-10", "assertion_class": "inferred", "extraction_method": "pattern_rule", "polarity": "supporting", "confidence": 0.45, "human_review_status": "not_reviewed", "is_standing_condition": false, "normalized_values": { "fields": [ { "name": "owner_name", "value": "H5 DATA CENTERS CHANDLER LLC", "locator": "$.features[12].attributes.OwnerName", "raw_text": "H5 DATA CENTERS CHANDLER LLC", "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" } ], "is_standing_condition": false }, "source": { "document_id": "2f6efd07-7c10-4f43-94f2-5b714de87e97", "document_version_id": "4f91c5f4-4b77-4df5-b8c8-7edca03375aa", "source_slug": "maricopa-assessor-parcels", "source_name": "Maricopa County Assessor Parcel Layer", "agency": "Maricopa County Assessor / Maricopa County GIS", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "77af6d6d43febde9b56073b5a2200e2713b9331b31345f146047d2723a8a5008", "parser_version": "0.1.0", "attribution_text": "Parcel data courtesy of Maricopa County Assessor / Maricopa County GIS." } }, { "id": "4602685c-c7a9-4c3f-bab2-aa9a0c517bdf", "evidence_kind": "shell_entity_ownership", "summary": "Title is held by H5 DATA CENTERS CHANDLER LLC, whose name shows single-purpose-entity characteristics (pass-through legal form (LLC)). This is a weak signal only: project-specific entities are routine in ordinary commercial real estate and imply no particular parent.", "snippet": "OwnerName = H5 DATA CENTERS CHANDLER LLC", "snippet_locator": "$.features[11].attributes.OwnerName", "observed_at": "2025-03-10", "assertion_class": "inferred", "extraction_method": "pattern_rule", "polarity": "supporting", "confidence": 0.45, "human_review_status": "not_reviewed", "is_standing_condition": false, "normalized_values": { "fields": [ { "name": "owner_name", "value": "H5 DATA CENTERS CHANDLER LLC", "locator": "$.features[11].attributes.OwnerName", "raw_text": "H5 DATA CENTERS CHANDLER LLC", "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" } ], "is_standing_condition": false }, "source": { "document_id": "2f6efd07-7c10-4f43-94f2-5b714de87e97", "document_version_id": "4f91c5f4-4b77-4df5-b8c8-7edca03375aa", "source_slug": "maricopa-assessor-parcels", "source_name": "Maricopa County Assessor Parcel Layer", "agency": "Maricopa County Assessor / Maricopa County GIS", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "77af6d6d43febde9b56073b5a2200e2713b9331b31345f146047d2723a8a5008", "parser_version": "0.1.0", "attribution_text": "Parcel data courtesy of Maricopa County Assessor / Maricopa County GIS." } }, { "id": "5be1f799-7dfb-4140-8c93-b608cc9fd00c", "evidence_kind": "dedicated_substation_proximity", "summary": "RS-27 tagged 69 kV lies 234 m from the site boundary, close enough for a dedicated connection to be practical. Proximity is a locational precondition, not evidence that this substation serves the site.", "snippet": "name = RS-27; operator = unknown; max_voltage_kv = 69.0", "snippet_locator": "https://www.openstreetmap.org/way/318676175", "observed_at": "2026-07-25", "assertion_class": "calculated", "extraction_method": "geometry_operation", "polarity": "supporting", "confidence": 0.8799, "human_review_status": "not_reviewed", "is_standing_condition": true, "normalized_values": { "match_method": "substation_proximity", "operator_name": null, "max_voltage_kv": 69.0, "distance_meters": 233.67, "is_standing_condition": true }, "source": { "document_id": "b8abfb58-b6bf-43d9-a88d-3b29d8a9db78", "document_version_id": "ad75ee7e-5363-44ab-a65c-26f4f7b68b2f", "source_slug": "osm-power-infrastructure", "source_name": "OpenStreetMap Power Infrastructure (Overpass API)", "agency": "OpenStreetMap contributors", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "b780b9bfc5c677683c8cde030c3a6581404f52cfeebcce02ca795d5d2d86e7b4", "parser_version": "0.1.0", "attribution_text": "Power infrastructure data (c) OpenStreetMap contributors, ODbL." } }, { "id": "eefb3739-12ac-4cbb-93cd-589db47590a0", "evidence_kind": "backup_generator_air_permit", "summary": "EPA ECHO lists DIGITAL REALTY TRUST CHANDLER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: NSPS, OTH, SIP.", "snippet": "DIGITAL REALTY TRUST CHANDLER; NSPS, OTH, SIP", "snippet_locator": "$.Results.Facilities[157]", "observed_at": "2026-07-28", "assertion_class": "extracted", "extraction_method": "structured_feed", "polarity": "supporting", "confidence": 0.8, "human_review_status": "not_reviewed", "is_standing_condition": true, "normalized_values": { "fields": [ { "name": "registry_id", "value": "110055586236", "locator": "$.Results.Facilities[157].RegistryID", "raw_text": null, "raw_unit": null, "confidence": 1.0, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "facility_name", "value": "DIGITAL REALTY TRUST CHANDLER", "locator": "$.Results.Facilities[157].FacName", "raw_text": null, "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "naics", "value": "518210", "locator": "$.Results.Facilities[157].FacNAICSCodes", "raw_text": null, "raw_unit": null, "confidence": 0.9, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" } ], "permit_id": "fc3092f4-7e19-4558-9511-6a851c9a4bd8", "is_standing_condition": true }, "source": { "document_id": "5ea0498b-45e6-444b-9ce6-0152b1d46ce2", "document_version_id": "2fd898a1-cdcc-4d1a-8794-bafb16b643f0", "source_slug": "epa-echo-air-facilities", "source_name": "EPA ECHO Air Facility Records", "agency": "United States Environmental Protection Agency", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "71c269ae37b235a090ccad898ff3eb8edbe09b6354bda668713ff99269f166d3", "parser_version": "0.1.0", "attribution_text": null } }, { "id": "72261ec9-f03c-4e7c-b93f-307d60f6b156", "evidence_kind": "assessor_data_center_classification", "summary": "Maricopa County Assessor currently classifies this parcel's property use as DATA CENTERS (use code 1507).", "snippet": "PropertyUseDescription = DATA CENTERS", "snippet_locator": "$.features[12].attributes.PropertyUseDescription", "observed_at": "2026-07-28", "assertion_class": "reported", "extraction_method": "structured_feed", "polarity": "supporting", "confidence": 0.95, "human_review_status": "not_reviewed", "is_standing_condition": true, "normalized_values": { "fields": [ { "name": "land_use_description", "value": "DATA CENTERS", "locator": "$.features[12].attributes.PropertyUseDescription", "raw_text": "DATA CENTERS", "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" } ], "is_standing_condition": true }, "source": { "document_id": "2f6efd07-7c10-4f43-94f2-5b714de87e97", "document_version_id": "4f91c5f4-4b77-4df5-b8c8-7edca03375aa", "source_slug": "maricopa-assessor-parcels", "source_name": "Maricopa County Assessor Parcel Layer", "agency": "Maricopa County Assessor / Maricopa County GIS", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "77af6d6d43febde9b56073b5a2200e2713b9331b31345f146047d2723a8a5008", "parser_version": "0.1.0", "attribution_text": "Parcel data courtesy of Maricopa County Assessor / Maricopa County GIS." } }, { "id": "5629c9fc-2099-48a6-a3eb-70af6f3638c5", "evidence_kind": "backup_generator_air_permit", "summary": "EPA ECHO lists EAST VALLEY COLO EMERGENCY POWER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: Minor NSR; Emergency Generator.", "snippet": "EAST VALLEY COLO EMERGENCY POWER; Minor NSR; Emergency Generator", "snippet_locator": "$.Results.Facilities[1]", "observed_at": "2026-07-28", "assertion_class": "extracted", "extraction_method": "structured_feed", "polarity": "supporting", "confidence": 0.8, "human_review_status": "not_reviewed", "is_standing_condition": true, "normalized_values": { "fields": [ { "name": "registry_id", "value": "110070654321", "locator": "$.Results.Facilities[1].RegistryID", "raw_text": null, "raw_unit": null, "confidence": 1.0, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "facility_name", "value": "EAST VALLEY COLO EMERGENCY POWER", "locator": "$.Results.Facilities[1].FacName", "raw_text": null, "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "naics", "value": "518210", "locator": "$.Results.Facilities[1].FacNAICSCodes", "raw_text": null, "raw_unit": null, "confidence": 0.9, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" } ], "permit_id": "aaa2ebef-acc6-40c9-9a82-bbafdfda7f19", "is_standing_condition": true }, "source": { "document_id": "f8185edf-ff0f-4828-b4c0-db7471b871c4", "document_version_id": "dbe2f7b4-7daf-4474-874a-a8497798e7c8", "source_slug": "epa-echo-air-facilities", "source_name": "EPA ECHO Air Facility Records", "agency": "United States Environmental Protection Agency", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "ed532dd1321900cdc6a4f6faad76e019dbb43cee816c3ff880f814aed3b99114", "parser_version": "0.1.0", "attribution_text": null } }, { "id": "37257625-a83e-4997-a6d3-9c98d8feb9a3", "evidence_kind": "assessor_data_center_classification", "summary": "Maricopa County Assessor currently classifies this parcel's property use as DATA CENTERS (use code 1507).", "snippet": "PropertyUseDescription = DATA CENTERS", "snippet_locator": "$.features[11].attributes.PropertyUseDescription", "observed_at": "2026-07-28", "assertion_class": "reported", "extraction_method": "structured_feed", "polarity": "supporting", "confidence": 0.95, "human_review_status": "not_reviewed", "is_standing_condition": true, "normalized_values": { "fields": [ { "name": "land_use_description", "value": "DATA CENTERS", "locator": "$.features[11].attributes.PropertyUseDescription", "raw_text": "DATA CENTERS", "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" } ], "is_standing_condition": true }, "source": { "document_id": "2f6efd07-7c10-4f43-94f2-5b714de87e97", "document_version_id": "4f91c5f4-4b77-4df5-b8c8-7edca03375aa", "source_slug": "maricopa-assessor-parcels", "source_name": "Maricopa County Assessor Parcel Layer", "agency": "Maricopa County Assessor / Maricopa County GIS", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "77af6d6d43febde9b56073b5a2200e2713b9331b31345f146047d2723a8a5008", "parser_version": "0.1.0", "attribution_text": "Parcel data courtesy of Maricopa County Assessor / Maricopa County GIS." } }, { "id": "d4edf352-490c-4fb6-8da2-11f0babfb594", "evidence_kind": "backup_generator_air_permit", "summary": "EPA ECHO lists CYRUSONE - CHANDLER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: NSPS, NSPSM, OTH.", "snippet": "CYRUSONE - CHANDLER; NSPS, NSPSM, OTH", "snippet_locator": "$.Results.Facilities[131]", "observed_at": "2026-07-28", "assertion_class": "extracted", "extraction_method": "structured_feed", "polarity": "supporting", "confidence": 0.8, "human_review_status": "not_reviewed", "is_standing_condition": true, "normalized_values": { "fields": [ { "name": "registry_id", "value": "110066858323", "locator": "$.Results.Facilities[131].RegistryID", "raw_text": null, "raw_unit": null, "confidence": 1.0, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "facility_name", "value": "CYRUSONE - CHANDLER", "locator": "$.Results.Facilities[131].FacName", "raw_text": null, "raw_unit": null, "confidence": 0.95, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" }, { "name": "naics", "value": "518210", "locator": "$.Results.Facilities[131].FacNAICSCodes", "raw_text": null, "raw_unit": null, "confidence": 0.9, "assertion_class": "reported", "normalized_unit": null, "extraction_method": "structured_feed" } ], "permit_id": "8127d087-169b-4979-8e39-d8455f0902e7", "is_standing_condition": true }, "source": { "document_id": "5ea0498b-45e6-444b-9ce6-0152b1d46ce2", "document_version_id": "2fd898a1-cdcc-4d1a-8794-bafb16b643f0", "source_slug": "epa-echo-air-facilities", "source_name": "EPA ECHO Air Facility Records", "agency": "United States Environmental Protection Agency", "source_url": "https://example.invalid/recorded", "retrieved_at": "2026-07-25T21:30:00Z", "content_sha256": "71c269ae37b235a090ccad898ff3eb8edbe09b6354bda668713ff99269f166d3", "parser_version": "0.1.0", "attribution_text": null } } ], "stage_history": [ { "id": "e04de680-f1c1-4aea-8171-8d639ea2771f", "from_stage": 0, "from_stage_label": null, "to_stage": 7, "to_stage_label": "Operational", "effective_date": "2021-03-22", "detected_at": "2026-07-28T17:30:32.212894Z", "is_downgrade": false, "confidence": 63.29, "rationale": "Stage advanced from 0 (No known development) to 7 (Operational) at 63% confidence. Principal evidence: Assessor classifies property use as data centre; Backup-generator air permit; Assessor classifies property use as data centre.", "triggering_evidence_ids": [ "72261ec9-f03c-4e7c-b93f-307d60f6b156", "eefb3739-12ac-4cbb-93cd-589db47590a0", "37257625-a83e-4997-a6d3-9c98d8feb9a3", "5629c9fc-2099-48a6-a3eb-70af6f3638c5", "45ff0b76-718b-4d2d-a902-19f7ffd13cb7", "d4edf352-490c-4fb6-8da2-11f0babfb594", "d6ef521e-8a78-4d93-9ee0-0b5b9ec89d0e", "4602685c-c7a9-4c3f-bab2-aa9a0c517bdf" ], "detection_lag_days": 1954 } ], "predictions": [ { "id": "a39785f3-1cff-4a09-9e84-3739eb3d1d43", "calculated_at": "2026-07-28T17:30:32.210249Z", "as_of_date": "2026-07-28", "predicted_stage": 7, "predicted_stage_label": "Operational", "raw_score": 67.1591, "confidence": 67.35, "confidence_band": "high", "positive_contribution": 67.1591, "negative_contribution": 0.0, "evidence_considered": 9, "distinct_evidence_kinds": 5, "is_backtest": false, "summary": "67% confidence from 9 evidence records across 5 distinct kinds; stage 7 (Operational).", "model_name": "helios-rule-based", "model_version": "0.1.0", "explanations": [ { "rule_id": "assessor-data-center-classification", "evidence_kind": "assessor_data_center_classification", "label": "Assessor classifies property use as data centre", "detail": "Maricopa County Assessor currently classifies this parcel's property use as DATA CENTERS (use code 1507).", "base_weight": 20.0, "applied_weight": 19.0, "confidence_multiplier": 0.95, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "72261ec9-f03c-4e7c-b93f-307d60f6b156" }, { "rule_id": "backup-generator-air-permit", "evidence_kind": "backup_generator_air_permit", "label": "Backup-generator air permit", "detail": "EPA ECHO lists DIGITAL REALTY TRUST CHANDLER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: NSPS, OTH, SIP.", "base_weight": 17.0, "applied_weight": 13.6, "confidence_multiplier": 0.8, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "eefb3739-12ac-4cbb-93cd-589db47590a0" }, { "rule_id": "assessor-data-center-classification", "evidence_kind": "assessor_data_center_classification", "label": "Assessor classifies property use as data centre", "detail": "Maricopa County Assessor currently classifies this parcel's property use as DATA CENTERS (use code 1507). (occurrence 2, weight reduced)", "base_weight": 20.0, "applied_weight": 9.5, "confidence_multiplier": 0.95, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "37257625-a83e-4997-a6d3-9c98d8feb9a3" }, { "rule_id": "dedicated-substation-proximity", "evidence_kind": "dedicated_substation_proximity", "label": "High-voltage substation in close proximity", "detail": "RS-27 tagged 69 kV lies 234 m from the site boundary, close enough for a dedicated connection to be practical. Proximity is a locational precondition, not evidence that this substation serves the site.", "base_weight": 8.0, "applied_weight": 7.0392, "confidence_multiplier": 0.8799, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "5be1f799-7dfb-4140-8c93-b608cc9fd00c" }, { "rule_id": "backup-generator-air-permit", "evidence_kind": "backup_generator_air_permit", "label": "Backup-generator air permit", "detail": "EPA ECHO lists EAST VALLEY COLO EMERGENCY POWER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: Minor NSR; Emergency Generator. (occurrence 2, weight reduced)", "base_weight": 17.0, "applied_weight": 6.8, "confidence_multiplier": 0.8, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "5629c9fc-2099-48a6-a3eb-70af6f3638c5" }, { "rule_id": "transmission-filing", "evidence_kind": "transmission_filing", "label": "Transmission filing", "detail": "ACC docket E-01933A-21-0099: 230 kV transmission line siting application. Filed by Salt River Project Agricultural Improvement and Power District on 2021-03-22. Helios ingested a recorded fixture, not a live scrape.", "base_weight": 25.0, "applied_weight": 5.3125, "confidence_multiplier": 0.85, "recency_multiplier": 0.25, "polarity": "supporting", "evidence_record_id": "45ff0b76-718b-4d2d-a902-19f7ffd13cb7" }, { "rule_id": "backup-generator-air-permit", "evidence_kind": "backup_generator_air_permit", "label": "Backup-generator air permit", "detail": "EPA ECHO lists CYRUSONE - CHANDLER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: NSPS, NSPSM, OTH. (occurrence 3, weight reduced)", "base_weight": 17.0, "applied_weight": 3.4, "confidence_multiplier": 0.8, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "d4edf352-490c-4fb6-8da2-11f0babfb594" }, { "rule_id": "shell-entity-ownership", "evidence_kind": "shell_entity_ownership", "label": "Single-purpose entity holds title", "detail": "Title is held by H5 DATA CENTERS CHANDLER LLC, whose name shows single-purpose-entity characteristics (pass-through legal form (LLC)). This is a weak signal only: project-specific entities are routine in ordinary commercial real estate and imply no particular parent.", "base_weight": 6.0, "applied_weight": 1.6716, "confidence_multiplier": 0.45, "recency_multiplier": 0.6191, "polarity": "supporting", "evidence_record_id": "d6ef521e-8a78-4d93-9ee0-0b5b9ec89d0e" }, { "rule_id": "shell-entity-ownership", "evidence_kind": "shell_entity_ownership", "label": "Single-purpose entity holds title", "detail": "Title is held by H5 DATA CENTERS CHANDLER LLC, whose name shows single-purpose-entity characteristics (pass-through legal form (LLC)). This is a weak signal only: project-specific entities are routine in ordinary commercial real estate and imply no particular parent. (occurrence 2, weight reduced)", "base_weight": 6.0, "applied_weight": 0.8358, "confidence_multiplier": 0.45, "recency_multiplier": 0.6191, "polarity": "supporting", "evidence_record_id": "4602685c-c7a9-4c3f-bab2-aa9a0c517bdf" } ] }, { "id": "bc5d917f-ae6c-4ffa-b128-057f783f3c77", "calculated_at": "2026-07-28T17:30:32.210303Z", "as_of_date": "2026-07-28", "predicted_stage": 7, "predicted_stage_label": "Operational", "raw_score": 60.1199, "confidence": 63.29, "confidence_band": "high", "positive_contribution": 60.1199, "negative_contribution": 0.0, "evidence_considered": 9, "distinct_evidence_kinds": 4, "is_backtest": false, "summary": "63% confidence from 9 evidence records across 4 distinct kinds; stage 7 (Operational).", "model_name": "helios-rule-based", "model_version": "0.1.0", "explanations": [ { "rule_id": "assessor-data-center-classification", "evidence_kind": "assessor_data_center_classification", "label": "Assessor classifies property use as data centre", "detail": "Maricopa County Assessor currently classifies this parcel's property use as DATA CENTERS (use code 1507).", "base_weight": 20.0, "applied_weight": 19.0, "confidence_multiplier": 0.95, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "72261ec9-f03c-4e7c-b93f-307d60f6b156" }, { "rule_id": "backup-generator-air-permit", "evidence_kind": "backup_generator_air_permit", "label": "Backup-generator air permit", "detail": "EPA ECHO lists DIGITAL REALTY TRUST CHANDLER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: NSPS, OTH, SIP.", "base_weight": 17.0, "applied_weight": 13.6, "confidence_multiplier": 0.8, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "eefb3739-12ac-4cbb-93cd-589db47590a0" }, { "rule_id": "assessor-data-center-classification", "evidence_kind": "assessor_data_center_classification", "label": "Assessor classifies property use as data centre", "detail": "Maricopa County Assessor currently classifies this parcel's property use as DATA CENTERS (use code 1507). (occurrence 2, weight reduced)", "base_weight": 20.0, "applied_weight": 9.5, "confidence_multiplier": 0.95, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "37257625-a83e-4997-a6d3-9c98d8feb9a3" }, { "rule_id": "backup-generator-air-permit", "evidence_kind": "backup_generator_air_permit", "label": "Backup-generator air permit", "detail": "EPA ECHO lists EAST VALLEY COLO EMERGENCY POWER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: Minor NSR; Emergency Generator. (occurrence 2, weight reduced)", "base_weight": 17.0, "applied_weight": 6.8, "confidence_multiplier": 0.8, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "5629c9fc-2099-48a6-a3eb-70af6f3638c5" }, { "rule_id": "transmission-filing", "evidence_kind": "transmission_filing", "label": "Transmission filing", "detail": "ACC docket E-01933A-21-0099: 230 kV transmission line siting application. Filed by Salt River Project Agricultural Improvement and Power District on 2021-03-22. Helios ingested a recorded fixture, not a live scrape.", "base_weight": 25.0, "applied_weight": 5.3125, "confidence_multiplier": 0.85, "recency_multiplier": 0.25, "polarity": "supporting", "evidence_record_id": "45ff0b76-718b-4d2d-a902-19f7ffd13cb7" }, { "rule_id": "backup-generator-air-permit", "evidence_kind": "backup_generator_air_permit", "label": "Backup-generator air permit", "detail": "EPA ECHO lists CYRUSONE - CHANDLER as a Clean Air Act facility (NAICS 518210). Program text and/or hosting NAICS are consistent with backup generation at a data-processing site. Coordinates may be geocoded. Programs: NSPS, NSPSM, OTH. (occurrence 3, weight reduced)", "base_weight": 17.0, "applied_weight": 3.4, "confidence_multiplier": 0.8, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "d4edf352-490c-4fb6-8da2-11f0babfb594" }, { "rule_id": "shell-entity-ownership", "evidence_kind": "shell_entity_ownership", "label": "Single-purpose entity holds title", "detail": "Title is held by H5 DATA CENTERS CHANDLER LLC, whose name shows single-purpose-entity characteristics (pass-through legal form (LLC)). This is a weak signal only: project-specific entities are routine in ordinary commercial real estate and imply no particular parent.", "base_weight": 6.0, "applied_weight": 1.6716, "confidence_multiplier": 0.45, "recency_multiplier": 0.6191, "polarity": "supporting", "evidence_record_id": "d6ef521e-8a78-4d93-9ee0-0b5b9ec89d0e" }, { "rule_id": "shell-entity-ownership", "evidence_kind": "shell_entity_ownership", "label": "Single-purpose entity holds title", "detail": "Title is held by H5 DATA CENTERS CHANDLER LLC, whose name shows single-purpose-entity characteristics (pass-through legal form (LLC)). This is a weak signal only: project-specific entities are routine in ordinary commercial real estate and imply no particular parent. (occurrence 2, weight reduced)", "base_weight": 6.0, "applied_weight": 0.8358, "confidence_multiplier": 0.45, "recency_multiplier": 0.6191, "polarity": "supporting", "evidence_record_id": "4602685c-c7a9-4c3f-bab2-aa9a0c517bdf" }, { "rule_id": "dedicated-substation-proximity", "evidence_kind": "dedicated_substation_proximity", "label": "High-voltage substation in close proximity", "detail": "RS-27 tagged 69 kV lies 234 m from the site boundary, close enough for a dedicated connection to be practical. Proximity is a locational precondition, not evidence that this substation serves the site.", "base_weight": 0.0, "applied_weight": 0.0, "confidence_multiplier": 0.8799, "recency_multiplier": 1.0, "polarity": "supporting", "evidence_record_id": "5be1f799-7dfb-4140-8c93-b608cc9fd00c" } ] } ], "scoring_model": { "name": "helios-rule-based", "version": "0.1.0", "parameters_hash": "46888dc8be8c1d3ffb00092482a839e09fbddfae9688db732ffd6cf982064079", "parameters": { "rules": [ { "rule_id": "transmission-or-substation-filing", "evidence_kind": "substation_application", "identity_weight": 25.0, "stage_weight": 25.0, "implies_stage": 3, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "transmission-filing", "evidence_kind": "transmission_filing", "identity_weight": 25.0, "stage_weight": 25.0, "implies_stage": 3, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "planning-application-data-center", "evidence_kind": "planning_application_data_center", "identity_weight": 20.0, "stage_weight": 20.0, "implies_stage": 2, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "assessor-data-center-classification", "evidence_kind": "assessor_data_center_classification", "identity_weight": 20.0, "stage_weight": 20.0, "implies_stage": 7, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "large-industrial-parcel-acquisition", "evidence_kind": "large_industrial_parcel_acquisition", "identity_weight": 10.0, "stage_weight": 18.0, "implies_stage": 1, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "backup-generator-air-permit", "evidence_kind": "backup_generator_air_permit", "identity_weight": 17.0, "stage_weight": 17.0, "implies_stage": 3, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "water-or-cooling-permit", "evidence_kind": "water_or_cooling_permit", "identity_weight": 14.0, "stage_weight": 14.0, "implies_stage": 3, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "data-center-compatible-zoning", "evidence_kind": "data_center_compatible_zoning", "identity_weight": 8.0, "stage_weight": 12.0, "implies_stage": 2, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "grading-or-construction-permit", "evidence_kind": "grading_or_construction_permit", "identity_weight": 2.0, "stage_weight": 20.0, "implies_stage": 4, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "dust-control-registration", "evidence_kind": "dust_control_registration", "identity_weight": 2.0, "stage_weight": 15.0, "implies_stage": 4, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "satellite-construction-change", "evidence_kind": "satellite_construction_change", "identity_weight": 0.0, "stage_weight": 15.0, "implies_stage": 4, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "dedicated-substation-proximity", "evidence_kind": "dedicated_substation_proximity", "identity_weight": 8.0, "stage_weight": 0.0, "implies_stage": null, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "known-developer-relationship", "evidence_kind": "known_developer_relationship", "identity_weight": 15.0, "stage_weight": 5.0, "implies_stage": null, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "shell-entity-ownership", "evidence_kind": "shell_entity_ownership", "identity_weight": 6.0, "stage_weight": 6.0, "implies_stage": 1, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "hiring-or-procurement-signal", "evidence_kind": "hiring_or_procurement_signal", "identity_weight": 15.0, "stage_weight": 20.0, "implies_stage": 7, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "conflicting-facility-classification", "evidence_kind": "conflicting_facility_classification", "identity_weight": -20.0, "stage_weight": 0.0, "implies_stage": null, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "project-cancellation", "evidence_kind": "project_cancellation", "identity_weight": 0.0, "stage_weight": -20.0, "implies_stage": null, "max_occurrences": 3, "occurrence_decay": 0.5 }, { "rule_id": "stale-evidence-no-progression", "evidence_kind": "stale_evidence_no_progression", "identity_weight": 0.0, "stage_weight": -20.0, "implies_stage": null, "max_occurrences": 3, "occurrence_decay": 0.5 } ], "staleness_threshold_days": 900, "recency_half_life_days": 730, "diversity_caps": { "1": 45.0, "2": 70.0, "3": 88.0 }, "saturation_scale": 60.0 } }, "attributions": [ "Parcel data courtesy of Maricopa County Assessor / Maricopa County GIS.", "Power infrastructure data (c) OpenStreetMap contributors, ODbL." ] }