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TheSeam

I The inventory

The seam field

how to read the seam field close

the broken inventory — flooded status, conflicting totals close

the regulation — who is responsible, and by when close

The six mines — half of EU abandoned-mine methane (modelled, GEM June 2024)
Mine	Country	Closed	MCM CH₄/yr
ČSA (Karviná)	Czech Republic	2021	≈36
Auguste Victoria	Germany	2015	≈28 (8.4 if flooded)
KWK Mysłowice-Wesoła I	Poland	not stated	≈26
Darkov	Czech Republic	2021	≈24
KWK Rydułtowy I	Poland	not stated	≈19
Prosper-Haniel	Germany	2018	≈18

EU total, three scenarios (mines abandoned 2015–2023, underground)
Scenario	MCM/yr	kt/yr
all unknown-status mines dry	298.2	≈200
all unknown-status mines flooded	275.7	≈185
every mine flooded (best case)	238.7	—

Regulation (EU) 2024/1787, Arts. 24–26 — closed and abandoned underground coal mines (operations ceased after 3 Aug 1954)
Date	Obligation
2025-08-05	member state inventories published (Art. 25(1))
2026-05-05	measurement begins on elements above 0.5 t CH₄/yr (Art. 25(2))
2026-08-05	first yearly emissions reports — estimates (Art. 25(6))
2027-02-05	member state mitigation plans, closed and abandoned mines alike (Art. 26(1))
2030-01-01	venting and flaring prohibited; only demonstrated infeasibility or safety excepts (Art. 26(2))

The digital twin in level ii needs JavaScript. Its default state: Auguste Victoria, flooded status unknown — a dry path declining hyperbolically (Kholod et al. 2020: b = 2.017, D = 0.302/yr) from ≈48 MCM/yr at closure to ≈10 in 2050, against a flooded path (exponential, 0.672/yr) that is effectively zero by 2023. Every figure is modelled, none measured — sources under Methods at depth.

Contact

II The shaft

Contact

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III The working face

Contact

IV At depth

This is a research position, not investment advice.

Sources

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Model assumptions

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Media credits & licences

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How the figures are handled

modelled vs measured · units · the two lensesopenclose