Every Last Joule · Region record

Alaska Railbelt

Provenance, tier, and validation record for alaska-railbelt. No live curtailment figures on this page — those are on the globe.

Region id
alaska-railbelt
Country
USA
Waste modality
Mixed
Coordinates
61.20° N, 149.90° W
Estimated Data quality
Tier
estimated · T3-modelled

No live feed and no published total for this region. A typical-shape profile is scaled to a capacity-based or literature anchor.

Modelled profile, scaled to annual (±40%)

Uncertainty
±40% of peak GW

Published envelope for this tier. See the uncertainty model.

Source provenance
modelled-fallback · No verified upstream link

There is no verified upstream link. The snapshot is a typical-shape profile scaled to an anchor, or otherwise estimated.

Source
Chugach/MEA/GVEA/HEA isolated Railbelt. No public hourly series. Grid present, ops unpublished.

https://rca.alaska.gov/

Tier, provenance, and source are read at build time from src/lib/regions.ts — the same table the globe draws from. The validation record below is generated separately and gated against it by npm run ci:docs-drift.

Validation record

Last updated: 2026-09-20 · Sprint: TSO-grid completeness · Paper section: Technical Validation §4.2

Source

  • Region id: alaska-railbelt
  • Country: USA
  • Tier: estimated
  • Kind: mixed
  • Source: Chugach/MEA/GVEA/HEA isolated Railbelt. No public hourly series. Grid present, ops unpublished.
  • Source URL: https://rca.alaska.gov/
  • Loader: (see region source / TSO-grid completeness loaders)
  • Structural gap: no
  • Waste status: unpublished unless the operator publishes a curtailment/spill series. Missing ≠ zero. Live generation does not make waste T1a.

Calibration

  • Rate source documented in: docs/methodology/ (see links below)
  • Uniform across backfill years: n/a — no backfill

Multi-year backfill annual totals

Year Backfill rows Backfill annual TWh Published TSO annual TWh Δ % Source
(no backfill or TSO anchors yet)

Published anchors

  • TSO annual curtailment (latest published): —
  • Ember annual: —
  • IRENA annual: —
  • Other: —

Discrepancy analysis

Grid-completeness row. Waste is unpublished unless a later loader adds a published series. Do not read a zero profile as a measured finding.

Known limitations

See docs/methodology/historical-backfill.md and STATUS.md TSO-grid completeness.

Current GW, 24-hour peak, 30-day TWh, and feed freshness for this region are on the globe. Cite this page as everylastjoule.com/region/alaska-railbelt. The dataset has a DOI; see About.