CDM: Approved Baseline and Monitoring Methodologies for Large Scale CDM Project Activities

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10:11 19 Jul 25

Reference	Methodological Tools	Comments
TOOL01	Tool for the demonstration and assessment of additionality	Submit comments
TOOL02	Combined tool to identify the baseline scenario and demonstrate additionality	Submit comments
TOOL03	Tool to calculate project or leakage CO2 emissions from fossil fuel combustion	Submit comments
TOOL04	Emissions from solid waste disposal sites	Submit comments
TOOL05	Baseline, project and/or leakage emissions from electricity consumption and monitoring of electricity generation	Submit comments
TOOL06	Project emissions from flaring	Submit comments
TOOL07	Tool to calculate the emission factor for an electricity system	Submit comments
TOOL08	Tool to determine the mass flow of a greenhouse gas in a gaseous stream	Submit comments
TOOL09	Determining the baseline efficiency of thermal or electric energy generation systems	Submit comments
TOOL10	Tool to determine the remaining lifetime of equipment	Submit comments
TOOL11	Assessment of the validity of the original/current baseline and update of the baseline at the renewal of the crediting period	Submit comments
TOOL12	Project and leakage emissions from transportation of freight	Submit comments
TOOL13	Project and leakage emissions from composting	Submit comments
TOOL14	Project and leakage emissions from anaerobic digesters	Submit comments
TOOL15	Upstream leakage emissions associated with fossil fuel use	Submit comments
TOOL16	Project and leakage emissions from biomass	Submit comments
TOOL17	Baseline emissions for modal shift measures in inter-urban cargo transport	Submit comments
TOOL18	Baseline emissions for modal shift measures in urban passenger transport	Submit comments
TOOL19	Demonstration of additionality of microscale project activities	Submit comments
TOOL20	Assessment of debundling for small-scale project activities	Submit comments
TOOL21	Demonstration of additionality of small-scale project activities	Submit comments
TOOL22	Leakage in biomass small-scale project activities	Submit comments
TOOL23	Additionality of first-of-its-kind project activities	Submit comments
TOOL24	Common practice	Submit comments
TOOL25	Apportioning emissions from production processes between main product and co and by-product	Submit comments
TOOL26	Accounting eligible HFC-23	Submit comments
TOOL27	Investment analysis	Submit comments
TOOL28	Calculation of baseline, project and leakage emissions from the use of refrigerants	Submit comments
TOOL29	Determination of standardized baselines for energy-efficient refrigerators and air-conditioners	Submit comments
TOOL30	Calculation of the fraction of non-renewable biomass	Submit comments
TOOL31	Determination of standardized baselines for energy efficiency measures in residential, commercial and institutional building	Submit comments
TOOL32	Positive lists of technologies	Submit comments
TOOL33	Default values for common parameters	Submit comments

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Approved large scale methodologies

95 methodologies.

Meth Number	Full View and History	Meth Booklet Ref	Comments
AM0001	Decomposition of fluoroform (HFC-23) waste streams --- Version 6.0.0	Ref AM0001	Submit comments
AM0007	Analysis of the least-cost fuel option for seasonally-operating biomass cogeneration plants --- Version 1.0	Ref AM0007	Submit comments
AM0009	Recovery and utilization of gas from oil fields that would otherwise be flared or vented --- Version 7.0	Ref AM0009	Submit comments
AM0017	Steam system efficiency improvements by replacing steam traps and returning condensate --- Version 2.0	Ref AM0017	Submit comments
AM0018	Baseline methodology for steam optimization systems --- Version 4.0	Ref AM0018	Submit comments
AM0019	Renewable energy projects replacing part of the electricity production of one single fossil fuel fired power plant that stands alone or supplies to a grid, excluding biomass projects --- Version 2.0	Ref AM0019	Submit comments
AM0020	Baseline methodology for water pumping efficiency improvements --- Version 2.0	Ref AM0020	Submit comments
AM0021	Baseline Methodology for decomposition of N2O from existing adipic acid production plants --- Version 3.0	Ref AM0021	Submit comments
AM0023	Leak detection and repair in gas production, processing, transmission, storage and distribution systems and in refinery facilities --- Version 4.0.0	Ref AM0023	Submit comments
AM0026	Methodology for zero-emissions grid-connected electricity generation from renewable sources in Chile or in countries with merit order based dispatch grid --- Version 3.0	Ref AM0026	Submit comments
AM0027	Substitution of CO2 from fossil or mineral origin by CO2 from biogenic residual sources in the production of inorganic compounds --- Version 3.0	Ref AM0027	Submit comments
AM0028	N2O destruction in the tail gas of Caprolactam production plants --- Version 6.0	Ref AM0028	Submit comments
AM0030	PFC emission reductions from anode effect mitigation at primary aluminium smelting facilities --- Version 4.0.0	Ref AM0030	Submit comments
AM0031	Bus rapid transit projects --- Version 8.0	Ref AM0031	Submit comments
AM0035	SF6 emission reductions in electrical grids --- Version 2.0.0	Ref AM0035	Submit comments
AM0036	Use of biomass in heat generation equipment --- Version 7.0	Ref AM0036	Submit comments
AM0037	Flare (or vent) reduction and utilization of gas from oil wells as a feedstock --- Version 3.0	Ref AM0037	Submit comments
AM0038	Methodology for improved electrical energy efficiency of an existing submerged electric arc furnace used for the production of silicon and ferro alloys --- Version 3.0.0	Ref AM0038	Submit comments
AM0043	Leak reduction from a natural gas distribution grid by replacing old cast iron pipes or steel pipes without cathodic protection with polyethylene pipes --- Version 2.0	Ref AM0043	Submit comments
AM0044	Energy efficiency improvement projects - boiler rehabilitation or replacement in industrial and district heating sectors --- Version 2.0.0	Ref AM0044	Submit comments
AM0045	Grid connection of isolated electricity systems --- Version 3.0	Ref AM0045	Submit comments
AM0046	Distribution of efficient light bulbs to households --- Version 3.0	Ref AM0046	Submit comments
AM0048	New cogeneration project activities supplying electricity and heat to multiple customers --- Version 5.0	Ref AM0048	Submit comments
AM0049	Methodology for gas based energy generation in an industrial facility --- Version 3.0	Ref AM0049	Submit comments
AM0050	Feed switch in integrated Ammonia-urea manufacturing industry --- Version 3.0.0	Ref AM0050	Submit comments
AM0052	Increased electricity generation from existing hydropower stations through Decision Support System optimization --- Version 3.0	Ref AM0052	Submit comments
AM0053	Biogenic methane injection to a natural gas distribution grid --- Version 4.0.0	Ref AM0053	Submit comments
AM0055	Recovery and utilization of waste gas in refinery or gas plant --- Version 2.1.0	Ref AM0055	Submit comments
AM0056	Efficiency improvement by boiler replacement or rehabilitation and optional fuel switch in fossil fuel-fired steam boiler systems --- Version 1.0	Ref AM0056	Submit comments
AM0057	Avoided emissions from biomass wastes through use as feed stock in pulp and paper, cardboard, fibreboard or bio-oil production --- Version 3.0.1	Ref AM0057	Submit comments
AM0058	Introduction of a district heating system --- Version 5.0	Ref AM0058	Submit comments
AM0059	Reduction in GHGs emission from primary aluminium smelters --- Version 2.0	Ref AM0059	Submit comments
AM0060	Power saving through replacement by energy efficient chillers --- Version 2.0	Ref AM0060	Submit comments
AM0061	Methodology for rehabilitation and/or energy efficiency improvement in existing power plants --- Version 2.1	Ref AM0061	Submit comments
AM0062	Energy efficiency improvements of a power plant through retrofitting turbines --- Version 2.0	Ref AM0062	Submit comments
AM0063	Recovery of CO2 from tail gas in industrial facilities to substitute the use of fossil fuels for production of CO2 --- Version 1.2.0	Ref AM0063	Submit comments
AM0064	Capture and utilisation or destruction of mine methane (excluding coal mines) or non mine methane --- Version 3.0.0	Ref AM0064	Submit comments
AM0065	Replacement of SF6 with alternate cover gas in the magnesium industry --- Version 2.1	Ref AM0065	Submit comments
AM0066	GHG emission reductions through waste heat utilisation for pre-heating of raw materials in sponge iron manufacturing process --- Version 2.0	Ref AM0066	Submit comments
AM0067	Methodology for installation of energy efficient transformers in a power distribution grid --- Version 2.0	Ref AM0067	Submit comments
AM0068	Methodology for improved energy efficiency by modifying ferroalloy production facility --- Version 1.0	Ref AM0068	Submit comments
AM0069	Biogenic methane use as feedstock and fuel for town gas production --- Version 2.0	Ref AM0069	Submit comments
AM0070	Manufacturing of energy efficient domestic refrigerators --- Version 3.1.0	Ref AM0070	Submit comments
AM0071	Manufacturing and servicing of domestic and/or small commercial refrigeration appliances using a low GWP refrigerant --- Version 3.0	Ref AM0071	Submit comments
AM0072	Fossil Fuel Displacement by Geothermal Resources for Space Heating --- Version 3.0	Ref AM0072	Submit comments
AM0073	GHG emission reductions through multi-site manure collection and treatment in a central plant --- Version 1.0	Ref AM0073	Submit comments
AM0074	Methodology for new grid connected power plants using permeate gas previously flared and/or vented --- Version 3.0.0	Ref AM0074	Submit comments
AM0075	Methodology for collection, processing and supply of biogas to end-users for production of heat --- Version 1.0	Ref AM0075	Submit comments
AM0076	Implementation of fossil fuel trigeneration systems in existing industrial facilities --- Version 2.0	Ref AM0076	Submit comments
AM0077	Recovery of gas from oil wells that would otherwise be vented or flared and its delivery to specific end-users --- Version 1.0	Ref AM0077	Submit comments
AM0078	Point of Use Abatement Device to Reduce SF6 emissions in LCD Manufacturing Operations --- Version 2.0.0	Ref AM0078	Submit comments
AM0079	Recovery of SF6 from Gas insulated electrical equipment in testing facilities --- Version 2.0	Ref AM0079	Submit comments
AM0080	Mitigation of greenhouse gases emissions with treatment of wastewater in aerobic wastewater treatment plants --- Version 1.0	Ref AM0080	Submit comments
AM0081	Flare or vent reduction at coke plants through the conversion of their waste gas into dimethyl ether for use as a fuel --- Version 1.0	Ref AM0081	Submit comments
AM0082	Use of charcoal from planted renewable biomass in a new iron ore reduction system --- Version 2.0	Ref AM0082	Submit comments
AM0083	Avoidance of landfill gas emissions by in-situ aeration of landfills --- Version 1.0.1	Ref AM0083	Submit comments
AM0084	Installation of cogeneration system supplying electricity and chilled water to new and existing consumers --- Version 3.0	Ref AM0084	Submit comments
AM0086	Distribution of low greenhouse gas emitting water purification systems for safe drinking water --- Version 5.0	Ref AM0086	Submit comments
AM0088	Air separation using cryogenic energy recovered from the vaporization of LNG --- Version 1.0	Ref AM0088	Submit comments
AM0089	Production of diesel using a mixed feedstock of gasoil and vegetable oil --- Version 3.0	Ref AM0089	Submit comments
AM0090	Modal shift in transportation of cargo from road transportation to water or rail transportation --- Version 1.1.0	Ref AM0090	Submit comments
AM0091	Energy efficiency technologies and fuel switching in new and existing buildings --- Version 4.0	Ref AM0091	Submit comments
AM0092	Substitution of PFC gases for cleaning Chemical Vapour Deposition (CVD) reactors in the semiconductor industry --- Version 2.0.0	Ref AM0092	Submit comments
AM0093	Avoidance of landfill gas emissions by passive aeration of landfills --- Version 1.0.1	Ref AM0093	Submit comments
AM0094	Distribution of biomass based stove and/or heater for household or institutional use --- Version 2.0.0	Ref AM0094	Submit comments
AM0095	Waste gas based combined cycle power plant in a Greenfield iron and steel plant --- Version 1.0.0	Ref AM0095	Submit comments
AM0096	CF4 emission reduction from installation of an abatement system in a semiconductor manufacturing facility --- Version 1.0.0	Ref AM0096	Submit comments
AM0097	Installation of high voltage direct current power transmission line --- Version 1.0.0	Ref AM0097	Submit comments
AM0098	Utilization of ammonia-plant off gas for steam generation --- Version 1.0.0	Ref AM0098	Submit comments
AM0099	Installation of a new natural gas fired gas turbine to an existing CHP plant --- Version 1.0.0	Ref AM0099	Submit comments
AM0100	Integrated Solar Combined Cycle (ISCC) projects --- Version 1.0.0	Ref AM0100	Submit comments
AM0101	High speed passenger rail systems --- Version 2.0	Ref AM0101	Submit comments
AM0103	Renewable energy power generation in isolated grids --- Version 4.0	Ref AM0103	Submit comments
AM0104	Interconnection of electricity grids in countries with economic merit order dispatch --- Version 2.0.0	Ref AM0104	Submit comments
AM0105	Energy efficiency in data centres through dynamic power management --- Version 1.0.0	Ref AM0105	Submit comments
AM0106	Energy efficiency improvements of a lime production facility through installation of new kilns --- Version 2.0.0	Ref AM0106	Submit comments
AM0107	New natural gas based cogeneration plant --- Version 4.0	Ref AM0107	Submit comments
AM0108	Interconnection between electricity systems for energy exchange --- Version 1.0.0	Ref AM0108	Submit comments
AM0109	Introduction of hot supply of Direct Reduced Iron in Electric Arc Furnaces --- Version 1.0.0	Ref AM0109	Submit comments
AM0110	Modal shift in transportation of liquid fuels --- Version 2.0	Ref AM0110	Submit comments
AM0111	Abatement of fluorinated greenhouse gases in semiconductor manufacturing --- Version 1.0.0	Ref AM0111	Submit comments
AM0112	Less carbon intensive power generation through continuous reductive distillation of waste --- Version 1.0	Ref AM0112	Submit comments
AM0113	Distribution of compact fluorescent lamps (CFL) and light-emitting diode (LED) lamps to households --- Version 3.0	Ref AM0113	Submit comments
AM0114	Shift from electrolytic to catalytic process for recycling of chlorine from hydrogen chloride gas in isocyanate plants --- Version 1.0	Ref AM0114	Submit comments
AM0115	Recovery and utilization of coke oven gas from coke plants for LNG production --- Version 1.0	Ref AM0115	Submit comments
AM0116	Electric taxiing systems for airplanes --- Version 2.0	Ref AM0116	Submit comments
AM0117	Introduction of a new district cooling system --- Version 2.0	Ref AM0117	Submit comments
AM0118	Introduction of low resistivity power transmission line --- Version 2.0	Ref AM0118	Submit comments
AM0119	SF6 emission reductions in gas insulated metal enclosed switchgear --- Version 1.0	Ref AM0119	Submit comments
AM0120	Energy-efficient refrigerators and air-conditioners --- Version 1.0	Ref AM0120	Submit comments
AM0121	Emission reduction from partial switching of raw materials and increasing the share of additives in the production of blended cement --- Version 1.0	Ref AM0121	Submit comments
AM0122	Recovery of methane-rich vapours from hydrocarbon storage tanks --- Version 2.0	Ref AM0122	Submit comments
AM0123	Renewable energy generation for captive use --- Version 1.0	Ref AM0123	Submit comments
AM0124	Hydrogen production from electrolysis of water --- Version 1.1	Ref AM0124	Submit comments
AM0125	Production of geopolymer cement --- Version 1.1	Ref AM0125	Submit comments

Approved consolidated methodologies

25 methodologies.

Meth Number	Full View and History	Meth Booklet Ref	Comments
ACM0001	Flaring or use of landfill gas --- Version 19.0	Ref ACM0001	Submit comments
ACM0002	Grid-connected electricity generation from renewable sources --- Version 22.0	Ref ACM0002	Submit comments
ACM0003	Partial substitution of fossil fuels in cement or quicklime manufacture --- Version 9.0	Ref ACM0003	Submit comments
ACM0005	Increasing the blend in cement production --- Version 7.1.0	Ref ACM0005	Submit comments
ACM0006	Electricity and heat generation from biomass --- Version 16.0	Ref ACM0006	Submit comments
ACM0007	Conversion from single cycle to combined cycle power generation --- Version 6.1.0	Ref ACM0007	Submit comments
ACM0008	Abatement of methane from coal mines --- Version 8.0	Ref ACM0008	Submit comments
ACM0009	Fuel switching from coal or petroleum fuel to natural gas --- Version 5.0	Ref ACM0009	Submit comments
ACM0010	GHG emission reductions from manure management systems --- Version 8.0	Ref ACM0010	Submit comments
ACM0011	Fuel switching from coal and/or petroleum fuels to natural gas in existing power plants for electricity generation --- Version 3.0	Ref ACM0011	Submit comments
ACM0012	Waste energy recovery --- Version 6.0	Ref ACM0012	Submit comments
ACM0013	Construction and operation of new grid connected fossil fuel fired power plants using a less GHG intensive technology --- Version 5.0.0	Ref ACM0013	Submit comments
ACM0014	Treatment of wastewater --- Version 8.0	Ref ACM0014	Submit comments
ACM0015	Emission reductions from raw material switch in clinker production --- Version 4.0	Ref ACM0015	Submit comments
ACM0016	Mass Rapid Transit Projects --- Version 6.1	Ref ACM0016	Submit comments
ACM0017	Production of biofuel --- Version 4.0	Ref ACM0017	Submit comments
ACM0018	Electricity generation from biomass in power-only plants --- Version 6.0	Ref ACM0018	Submit comments
ACM0019	N2O abatement from nitric acid production --- Version 4.0	Ref ACM0019	Submit comments
ACM0020	Co-firing of biomass residues for heat generation and/or electricity generation in grid connected power plants --- Version 1.0.0	Ref ACM0020	Submit comments
ACM0021	Reduction of emissions from charcoal production by improved kiln design and/or abatement of methane --- Version 1.0.0	Ref ACM0021	Submit comments
ACM0022	Alternative waste treatment processes --- Version 3.0	Ref ACM0022	Submit comments
ACM0023	Introduction of an efficiency improvement technology in a boiler --- Version 1.0	Ref ACM0023	Submit comments
ACM0024	Natural gas substitution by biogenic methane produced from the anaerobic digestion of organic waste --- Version 1.0	Ref ACM0024	Submit comments
ACM0025	Construction of a new natural gas power plant --- Version 2.0	Ref ACM0025	Submit comments
ACM0026	Fossil fuel based cogeneration for identified recipient facility(ies) --- Version 2.0	Ref ACM0026	Submit comments

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Approved Baseline and Monitoring Methodologies for Large Scale CDM Project Activities

Approved large scale methodologies

Approved consolidated methodologies