Status Taxonomy

Citation

Description: Operating status taxonomy for GEM asset data. Canonical sub-statuses grouped under top-level status buckets.
Source: Status standardization for coal and ownership trackers, March 2025.

Status Hierarchy

Status	Sub-Status Key	Label	Description
Cancelled	`shelved`	Shelved	Proposed projects that aren't moving forward but haven't been formally cancelled
	`cancelled`	Cancelled	Proposed projects that have been formally cancelled
	`cancelled_inferred`	Cancelled (inferred)	Proposed projects assumed to have been cancelled based of four years without observed progress
	`shelved_inferred`	Shelved (inferred)	Proposed projects assumed to have been shelved based of two years without observed progress
Operating	`mixed_status`	Mixed Status	Pipeline with mixed operating statuses across segments.
	`operating`	Operating	Projects currently in commercial operation
	`operating_pre_retirement`	Operating Pre-retirement	Projects still operating pre-retirement
Planned	`proposed`	Proposed	Projects that have been proposed
	`construction`	Construction	Projects where physical construction has begun
	`permitted`	Permitted	Projects that have been permitted for construction
	`pre_permit`	Pre-permit	Projects that have moved forward towards permitting and construction, but have not yet been fully permitted
	`announced`	Announced	Projects that have been announced
	`pre_construction`	Pre-construction	Projects actively moving forward towards permitting and construction, but that haven't broken ground
	`unknown`	Unknown	Operating status unknown
Retired	`mothballed`	Mothballed	Projects that have been deactivated or put into an inactive state but are not retired.
	`retired`	Retired	Projects that have been permanently decommissioned or converted to another fuel.
	`mothballed_pre_retirement`	Mothballed Pre-retirement	Projects that have been deactivated or put into an inactive state ahead of a planned retirement
	`idle`	Idle	Projects that are not actively in use
	`abandoned`	Abandoned	Closed coal mines that have been abandoned.
	`demolished`	Demolished	Closed coal mines that have been demolished.
	`historic_landmark`	Historic Landmark	Closed coal mine sites designated as historic landmarks.
	`other`	Other	Closed coal mines with other post-closure status.
	`reclamation`	Reclamation	Closed coal mine sites undergoing reclamation.
	`rehabilitation`	Rehabilitation	Closed coal mine sites undergoing rehabilitation.
	`renewable_energy_site`	Renewable Energy Site	Closed coal mine sites converted to renewable energy use.
	`repurpose`	Repurpose	Closed coal mine sites being repurposed.
	`unspecified`	Unspecified	Closed assets with no specific closure status recorded. Used for closed mine rows where Mine Site Status is empty or unknown.

Raw Value Mappings (30)

Maps raw tracker status values to canonical sub-status keys.

Raw Value	Canonical Key
`shelved`	`shelved`
`cancelled`	`cancelled`
`cancelled - inferred 4 y`	`cancelled_inferred`
`shelved - inferred 2 y`	`shelved_inferred`
`mixed status`	`mixed_status`
`operating`	`operating`
`operating pre-retirement`	`operating_pre_retirement`
`proposed`	`proposed`
`construction`	`construction`
`permitted`	`permitted`
`pre-permit`	`pre_permit`
`announced`	`announced`
`pre-construction`	`pre_construction`
`unknown`	`unknown`
`mothballed`	`mothballed`
`retired`	`retired`
`mothballed pre-retirement`	`mothballed_pre_retirement`
`idle`	`idle`
`abandoned`	`abandoned`
`demolished`	`demolished`
`historic_landmark`	`historic_landmark`
`historic landmark/museum`	`historic_landmark`
`other`	`other`
`reclamation`	`reclamation`
`rehabilitation`	`rehabilitation`
`renewable_energy_site`	`renewable_energy_site`
`renewable energy site`	`renewable_energy_site`
`repurpose`	`repurpose`
`unspecified`	`unspecified`
`Unspecified`	`unspecified`