Methane Leaks
Oil & gas · Not seen recently

Methane emitter IRN_S_251

Tank batteries in Iran. Satellites have detected 2 methane plumes here since 11 Jan 2024, most recently on 26 Apr 2025.

2
Plumes
0
Plumes, last 12 months
3,273 kg/h
Largest detected rate
1,903 kg/h
Typical (median) rate
Satellite map of methane plume locations in IRN_S_251
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Who likely operates it

National Iranian Oil Company Plausible

Evidence

  • NIOC and its subsidiaries own and operate Iran's oil and gas upstream.

Other candidates

  • National Iranian Gas Company Weak (context only)

What do confidence levels mean?

Write to the operator

Response so far

Source type
Tank batteries
UNEP notified
No
Operator responded to UNEP
Not applicable
First seen
11 Jan 2024
Last seen
26 Apr 2025
Coordinates
27.17825, 56.07097 · Open in Google Maps (satellite)

Plume history

26 Apr 2025: 3,273 kg/h11 Jan 2024: 533 kg/h 11 Jan 2024 26 Apr 2025 3,273 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
26 Apr 2025Oil & gas 3,273 kg/h National Iranian Oil Company Plausible View
11 Jan 2024Oil & gas 533 kg/h National Iranian Oil Company Plausible View

Authorities you can notify

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