Methane-monitoring constellation
Satellites that pinpoint methane leaks from space
GHGSat
Montreal company that runs the largest fleet of satellites built to spot methane leaks from individual oil and gas sites, landfills and mines, and sells the data to operators and governments.
Products, by altitude
Low Earth orbit · 160–2,000 km
In service In development Second-generation satellite
Next satellite to spot smaller methane leaks
Known rounds
Milestones
- Jun 2026 NASA named GHGSat among 14 companies on its Commercial Satellite Data Acquisition On-Ramp 2 contract (shared ceiling $476 million).3
Sources
Updated Oct 22, 2026 · How we source facts · Suggest a correction