feat(data): add missing tribal/native utilities + fix data quality issues#25
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nicholasalanbrown merged 1 commit intomainfrom Feb 26, 2026
Merged
feat(data): add missing tribal/native utilities + fix data quality issues#25nicholasalanbrown merged 1 commit intomainfrom
nicholasalanbrown merged 1 commit intomainfrom
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… quality Changes: - Add Yakama Power (EIA 56621) — WA, 2,288 customers, tribal co-op - Add Umpqua Indian Utility Cooperative (EIA 65352) — OR, 69 customers - Linked to existing service territory region-st-65352 (GeoJSON via HIFLD) - Fix Gila River: merge ghost record into EIA 65261 (GRICUA) - Was: 'Gila River Indian Community Utility Authority' with no EIA ID - Now: EIA 65261, linked to region-st-65261 (GeoJSON available), 3,433 customers - Fix Navajo duplicate: remove second ghost record with no EIA ID - Fix Navajo segment: INVESTOR_OWNED_UTILITY → DISTRIBUTION_COOPERATIVE (EIA classifies as 'State' but NTUA is tribally-owned, operates as a co-op) Total utilities: 3,132 → 3,133 Note: EIA has no dedicated 'Tribal' ownership code — tribal utilities are classified as Cooperative, Municipal, etc. Detection requires name matching.
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Summary
Adds 3 missing Native/tribal utilities from EIA-861 (2024) and cleans up 2 data quality issues.
Missing utilities added
GeoJSON service territory boundaries available for GRICUA and Umpqua (from HIFLD). Yakama Power has no HIFLD territory on file.
Data quality fixes
Gila River duplicate removed — We had "Gila River Indian Community Utility Authority" with no EIA ID. This is the same entity as EIA 65261 (GRICUA). Merged: added EIA ID, linked to
region-st-65261, populated customer/revenue/MWh data.Navajo duplicate removed — Two Navajo Tribal Utility Authority records existed; one had no EIA ID and was a ghost. Removed the ghost, keeping EIA 13314.
Navajo segment corrected — Was
INVESTOR_OWNED_UTILITY. EIA classifies NTUA as "State" but it's tribally-owned and operates as a distribution cooperative. Changed toDISTRIBUTION_COOPERATIVE.Why these were missed
EIA 861 has no dedicated "Tribal" ownership code — tribal utilities are classified as Cooperative, Municipal, Political Subdivision, etc. The enrich script only handles CCA, transmission, and IOU gaps. Tribal detection requires name matching against the Frame file.
Total utilities: 3,132 → 3,133