{
 "aliases": [
  {
   "note": "BPA bundle id; the same bundle can appear in both the line and substation layers",
   "relation": "exact",
   "review_state": "source",
   "source_entity_id": "P05468",
   "source_ref": "bpa-gerp-lines"
  }
 ],
 "bbox": [
  -122.77691679780708,
  45.31307295272466,
  -121.11413885585851,
  45.606682725226726
 ],
 "bundle_name": "BIG EDDY-CHEMAWA-1 500KV LINE REBUILD",
 "citation_path": "citations/project~gerp~P05468.html",
 "cycle": "GERP 1.0",
 "description": "BPA proposes to rebuild 91 miles of the existing Big Eddy-Chemawa #1 230 kV line to 500 kV line and re-terminate between BPA’s Big Eddy Substation (The Dalles, OR), Ostrander Substation (Oregon City, OR) and Pearl Substation (Wilsonville, OR).",
 "expected_energization": 2033,
 "facts": [
  {
   "basis": "The publisher's planning estimate for the project at publication (BPA GERP: nominal dollars as the layer carries it on the bundle, which does not say what it covers; BPA's summaries can state it for a group of projects); not a budget, contract or actual",
   "coverage": null,
   "denominator": null,
   "evidence": "reported",
   "fact_id": "project:gerp:P05468#project_cost_usd",
   "label": "Estimated cost",
   "locator": "Bundle_ID=P05468; layer=lines",
   "maturity": "final",
   "method": "direct",
   "metric": "project_cost_usd",
   "missing_reason": null,
   "note": "BPA's planning estimate as the layer carries it on this bundle at publication; nominal dollars. The layer does not say what it covers; BPA's project summaries can state it for a group of projects (group_name)",
   "period": {
    "as_of": "2026-07-29",
    "kind": "instant",
    "note": "As BPA published it for the GERP cycle"
   },
   "precision": 0,
   "quality": "valid",
   "source_ref": "bpa-gerp-lines",
   "unit": "USD",
   "value": 670000000.0
  }
 ],
 "gerp_components": {
  "lines": [
   {
    "bbox": [
     -122.77691679780708,
     45.31307295272466,
     -121.11413885585851,
     45.606682725226726
    ],
    "line": {
     "id": "line:bpa:BIGE-CHEM-1",
     "name": "Big Eddy-Chemawa No 1"
    },
    "segment": "Big Eddy-Chemawa No 1",
    "xref": "BIGE-CHEM-1"
   }
  ],
  "substations": []
 },
 "group_name": null,
 "id": "project:gerp:P05468",
 "issuer": "Bonneville Power Administration",
 "justification": "Supports regional load growth, reliability needs and commercial requests for long-term transmission",
 "kind": "gerp",
 "kind_label": "BPA transmission project",
 "links": {
  "lines": [
   {
    "id": "line:bpa:BIGE-CHEM-1",
    "name": "Big Eddy-Chemawa No 1"
   }
  ],
  "note": "The existing BPA line the project follows, where BPA names it"
 },
 "location": {
  "county": null,
  "lat": 45.45988,
  "lon": -121.94553,
  "quality": "line_midpoint",
  "state": null
 },
 "name": "Big Eddy-Chemawa 230/500 kV Line Upgrade",
 "note": "A planning bundle in BPA's Grid Expansion and Reinforcement Portfolio: status, expected energization and cost change with each cycle; not a permit, a contract or a route. Proposed line rebuilds and upgrades as BPA published them for its GERP cycle: expected energization year, estimated cost in dollars and status are BPA's planning figures at publication and change with each cycle; the geometry is the existing line the project follows, not a final route.",
 "release_id": "20260929T050546Z-51ae0f7d3c78",
 "resource_group": "transmission",
 "schema_version": "1.41.0",
 "source_name": null,
 "sources": [
  "bpa-gerp-lines"
 ],
 "stage": "active",
 "status_detail": "SCOPING",
 "status_label": "Scoping",
 "type": "project",
 "updated_reason": null
}