Methodology lock form
Opened by Replace lock on an active cycle and by Set lock on a draft
FY2025 GRI report
2025 (Jan 2025 - Dec 2025) · GRI-STANDARDS
Active
Replace methodology lock
FY2025 GRI report · 2025 (Jan 2025 - Dec 2025) · GRI-STANDARDS · 31 computed figures
What the lock is. The lock fixes the methodology every figure in this cycle is calculated with.
None
No methodology set.
Provisional
Methodology set, no factor edition yet. Figures cannot be calculated.
Complete
Methodology and factor edition set. Figures can be calculated.
You can replace the lock at any time; every change is recorded on the Events tab.
More about the lock
Current lock
Lock stateComplete
GWP familyAR6
Boundary approachOperational control
Energy conventionNCV
Calculation rule setGHG Protocol Corporate Standard + Scope 2 GuidanceVersion 1
Factor edition2026.1
Locked20 Feb 2026 at 14:05by Mei Tan
Proposed lock
AR6
Operational control
Financial control
Equity share
Not supported.
Net calorific value (NCV)
Gross calorific value (GCV)
Changed: NCV to GCV.
GHG Protocol Corporate Standard + Scope 2 Guidance · Version 1
What is a factor edition?A factor edition is a dated, published set of emission factors, warming potentials, and exchange rates.
2026.1 · published 10 Feb 2026
DESNZ UK 2026 file, revision 2 · EMA Singapore GEF, newest covered year 2024 · IPCC AR6 and AR5 GWP sets · SEFR SG registry 2026
No other edition is published yet.
What happens if you continue
- Every computed figure is marked out of date when the new lock completes.
- A recompute starts automatically.
- The previous run's figures stay available for comparison.
Ask about this pageCancelReplace lock
The same form at other moments
State: re-check report shown after the lock completes or is replaced
Re-check against edition 2026.1
1 of 48 entries needs attention
1 activity uses a unit this edition does not accept for its carrier
Tuas Cold Storage · refrigerant leakage · Mar 2025 ·
ACTIVITY_UNIT_INVALIDRefusals of the lock write
State: refused, archived or superseded cycle
Archived and superseded cycles cannot be locked.
CYCLE_NOT_LOCKABLEArchivedFY2023 GRI report · 2023 (Jan 2023 - Dec 2023) · GRI-STANDARDS [archived]
State: refused, backfilled cycle
Backfilled cycles change only through a company backfill re-run.
CYCLE_BACKFILLED_READONLYActive2025 (Apr 2025 - Mar 2026) · BFG-Group [backfilled]
State: refused, equity share submitted
Equity share is not supported.
EQUITY_SHARE_BLOCKEDState: refused, no factor edition chosen
Select factor edition
Required
Choose a factor edition to save the lock.
VINTAGE_REQUIREDState: refused, methodology fields missing
Select GWP family
Required
Choose a value for every methodology field.
LOCK_INCOMPLETEState: refused, Set lock on a draft whose publication date has no buildable edition set
No edition set can be built for this draft's publication date, so the lock is not saved.
PUBLICATION_BLOCKEDDraftNoneFY2027 GRI report · 2027 (Jan 2027 - Dec 2027) · GRI-STANDARDS [draft] · publication 30 Jun 2028
State: refused, Set lock on a draft with no intended publication date
Set the intended publication date to save the lock.
PUBLICATION_DATE_REQUIREDDraftNoneFY2026 GRI report · 2026 (Jan 2026 - Dec 2026) · GRI-STANDARDS [draft]
State: refused, edition not published (direct API only; the list shows published editions)
This factor edition is not published.
VINTAGE_NOT_PUBLISHED