shown
Grid emission factor: the methodology sets rules for it. CarbonMeld reads it in the project's documents. CM-F-AMS-II-A-GRID-EF
AMS-II.A — Supply side energy efficiency improvements – transmission and distribution
About this methodology
Projects upgrade electricity or heat distribution systems to reduce energy losses. The method measures the emission reductions associated with the electricity or fuel saved.
- Issued by
- CDM (UNFCCC) · issuer's site
- Version
- 10.0 · source ·
- Status
- Active at CDM / UNFCCC · source ·
- Climate outcome
- Emission reductions
- Activity
- Energy distribution
- Official page
- cdm.unfccc.int ·
How methodology v3 reads projects of this type
What CarbonMeld reads
- shown
Leakage: the methodology sets rules for it in some cases (AMS-II.A v10 para 10, p. 3). CarbonMeld reads it in the project's documents. CM-F-AMS-II-A-LEAKAGE
A confirmed investment analysis A-INVEST
The documents show a project-level additionality test, the validation confirmed it, and it is an investment analysis (a numeric test of the project's finances with and without carbon revenue).
Set by the methodology or the programme, not assessed by our current method
- not assessed
Social safeguards and consent of communities (FPIC): any such rules come from the programme, not the methodology. Our current method does not assess it. CM-F-AMS-II-A-SAFEGUARDS-FPIC
Not applicable to this type — never a gap in our current method
The criterion does not apply to this methodology. Our current method never counts it as a gap.
- CM-N-BUFFERBuffer pool
- CM-N-PERMANENCE-REVERSALPermanence and reversals
- CM-N-FNRBFraction of non-renewable biomass (fNRB)
- CM-N-USAGEUsage rate of the devices
- CM-N-REGULATORY-SURPLUSNo legal requirement for the activity
- CM-N-DURABILITY-MEASUREMENTDurability of the storage
- CM-N-FEEDSTOCK-SUSTAINABILITYSustainability of the feedstock
- CM-N-END-USE-TRACKINGTracking of the end use
The general rules apply as well. Read the general rules.
The rules of methodology v2.2, as they were: the archived v2.2 page.
History and transitions
All 9 versions
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v10adopted 17 Jul 2009source
To include an option to use the guidelines adopted by a national government agency to estimate/measure the energy loss in rural electricity distribution network.
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v09adopted 27 Jul 2007source
Allow for its application under a programme of activities (PoA)
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v08adopted 23 Dec 2006source
The threshold of small-scale Type II methodologies was increased from 15 GWh to 60 GWh. The consideration of transmission and distribution losses in the baseline estimation was removed.
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v07adopted 25 Nov 2005source
References to “non-renewable biomass” in Appendix B deleted.
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v06adopted 20 Sept 2005source
Guidance on consideration of non-renewable biomass in Type I methodologies, thermal equivalence of Type II GWhe limits included.
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v05adopted 25 Feb 2005source
Guidance on ‘capacity addition’ and ‘cofiring’ in Type I methodologies and monitoring of methane in AMS-III.D included.
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v04adopted 22 Oct 2004source
AMS-II.F was adopted; leakage due to equipment transfer was included in all Type I and Type II methodologies. 03 EB 14, Annex 2 New methodology AMS-III.E was adopted. UNFCCC/CCNUCC CDM – Executive Board II.A./Version 10 Sectoral Scope: 02 …
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v02adopted 28 Nov 2003source
Definition of build margin included in AMS-I.D, minor revisions to AMS-I.A, AMS-III.D, AMS-II.E.
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v01adopted 21 Jan 2003source
Initial adoption. The Board at its seventh meeting noted the adoption by the Conference of the Parties (COP), by its decision 21/CP.8, of simplified modalities and procedures for small-scale CDM project activities (SSC M&P).
Projects using AMS-II.A
Browse 7 published projects using AMS-II.A, listed alphabetically. There is no ranking for this methodology yet: it appears here automatically once 5 of its projects not in the pipeline or under validation are rated. Open a project to view its registry details and the analysis available for that project.
Which registries list projects under AMS-II.A?
In CarbonMeld's data, AMS-II.A projects are on one registry: CDM (7 projects, 5 registered).
| Registry | Projects | Registered | Projects list |
|---|---|---|---|
| CDM (UNFCCC) | 7 | 5 | See the list |
Counts of project records in CarbonMeld's data, with or without a CarbonMeld analysis. «Registered» counts the records whose current registry status is «registered», as last read (15 November 2026); projects in a later status, such as awaiting verification approval, late to verify or completed, are not in that column.
3 of these projects have no number: additionality, quantification or both have no public grade of their type of project that applies to them yet. Their pages show the analysis.
- Analysis: Re-assessment pending
- Analysis: Re-assessment pending
- Analysis: No public grade applies yet
- Analysis: No public grade applies yet
- Analysis: Not registered
- Analysis: No rating yet
- Analysis: No public grade applies yet