Afyonkarahisar Cement Plant

Afyon Çimento

01 Snapshot

Audit-grade Scope 1 · 2024

1,200,000

tCO₂ · direct · ISO 14064-1 verified

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

707,218

-41% vs. truth

EU CBAM default

2,851,200

+138% vs. truth

95% conformal prediction interval (formula, leave-one-plant-out, n=19): 382,717 – 1,306,862 tCO₂ (truth inside ✓)

95% interval restricted to cement calibration set: 446,035 – 1,121,341 tCO₂ (truth outside ✗ · undercoverage caveat at small n)

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

02 Facility data

Company: Afyon Çimento
Plant: Afyonkarahisar Cement Plant
Sector: cement
City: Afyonkarahisar
Capacity: 1,800,000 t/y
Label source: disclosure
Provenance: Per-plant Scope 1 directly disclosed by operator.
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

Afyon Çimento 2024 TSRS Sustainability Report p23

Standalone subsidiary (Çimsa 51%); 1.1M ton cement production; ISO 14064 + TSRS limited assurance

05 Hyperspectral coverage

8 EnMAP L2A scenes index this plant (4 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):

2023-02-14T20:21:51Z · cloud cover 0% · ENMAP01-____L2A-DT0000007564_20230214T202151Z_006_…
2023-08-26T09:29:48Z · cloud cover 0% · ENMAP01-____L2A-DT0000036642_20230826T092948Z_010_…
2025-07-24T09:25:36Z · cloud cover 0% · ENMAP01-____L2A-DT0000144634_20250724T092536Z_010_…
2025-07-24T09:25:41Z · cloud cover 0% · ENMAP01-____L2A-DT0000144634_20250724T092541Z_011_…
2024-08-30T09:22:40Z · cloud cover 8% · ENMAP01-____L2A-DT0000091529_20240830T092240Z_011_…

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.