Çanakkale Cement Plant

Akçansa

01 Snapshot

Audit-grade Scope 1 · 2025

3,466,000

tCO₂ · allocated · operator-audited financial-grade

cf-corrected formula (leave-one-plant-out)

3,865,919

+12% vs. truth

EU CBAM default

8,712,000

+151% vs. truth

95% conformal prediction interval (formula, leave-one-plant-out, n=19): 2,092,072 – 7,143,792 tCO₂ (truth inside ✓)

95% interval restricted to cement calibration set: 2,278,374 – 6,559,647 tCO₂ (truth inside ✓ · undercoverage caveat at small n)

Open printable audit summary → One-page PDF you can hand to a verifier.

02 Facility data

Company: Akçansa
Plant: Çanakkale Cement Plant
Sector: cement
City: Lapseki
Capacity: 5,500,000 t/y
Label source: disclosure
Provenance: Allocated from operator group Scope 1 by a disclosed physical share (clinker tonnage / crude steel tonnage).
Headline method: cf-corrected formula (capacity × route-EF × cf), evaluated leave-one-plant-out. +82.3% log-MAE reduction vs EU default across the 19 validatable plants.

03 Source citation

Akçansa 2025 IAR p46 × Çanakkale clinker share p167 (4,450/7,037 = 63.2%)

Akçansa IAR archive

Allocated from Akçansa 2025 group × clinker share 63.2%. See Büyükçekmece note.

05 Hyperspectral coverage

11 EnMAP L2A scenes index this plant (9 with <1% cloud cover). Source: DLR EOC STAC. Following Borger et al. (2025), these scenes can yield direct CO₂ and NO₂ plume retrievals at ~30 m spatial resolution.

Lowest cloud cover scenes (showing top 5):

2024-06-03T09:39:54Z · cloud cover 0% · ENMAP01-____L2A-DT0000075910_20240603T093954Z_019_…
2024-06-03T09:39:56.332109Z · cloud cover 0% · ENMAP01-____L2A-DT0000075910_20240603T093954Z_019_…
2025-04-23T09:39:51Z · cloud cover 0% · ENMAP01-____L2A-DT0000125725_20250423T093951Z_006_…
2025-05-20T09:40:27Z · cloud cover 0% · ENMAP01-____L2A-DT0000130873_20250520T094027Z_006_…
2025-06-16T09:40:28Z · cloud cover 0% · ENMAP01-____L2A-DT0000136242_20250616T094028Z_006_…

Downloads require a free DLR EOWEB account (see enmap_access_howto.md).

06 Verify / correct

If you're an operator or analyst with a more recent disclosure than what's shown above:

Open a pull request adding a row to data/tr_facility_known_emissions.csv (source).
Or email hi@barisgunaydin.com with the source PDF.
Or use the claim-your-facility form on the bench page.

Corrections that include a verifiable public source land within 24 hours. All data is Apache-2.0 licensed; methodology at iz-mrv.pages.dev/paper.