Methodologies
Inactive Methodologies
Verra periodically reviews active methodologies in the Verified Carbon Standard (VCS) Program to ensure they continue to reflect best practices, scientific consensus, and evolving market conditions and technical developments in a sector. These reviews are conducted at least every five years.
As a result of a review, Verra may revise or inactivate a methodology until a revised version is issued. If Verra inactivates a revised version of a methodology, the previous version also becomes inactive. Inactive methodologies may be reactivated, whereas permanently inactivated methodologies may not.
When Verra inactivates a methodology, information about grace periods for continued usage of that methodology will be provided. If the current version of a methodology is active but previous versions have been inactivated, information on the previous versions can be found under the “Development History” section on the specific methodology’s webpage.
The list below contains all methodologies that are currently inactive.
Project proponents who are interested in using an inactive methodology may send a reactivation request to methodologies@verra.org. The request should include the following:
- A list of projects (you may consider including similar ongoing projects from other developers)
- The estimated amount of annual emission reductions from each project
- A justification demonstrating that no active methodology could be used for the project(s)
- Status of the implementation of the project activities
Search:
AM0001
Inactive Date:
January 16, 2024
Decomposition of fluoroform (HFC-23) waste streams
AM0007
Inactive Date:
September 11, 2023
Analysis of the least-cost fuel option for seasonally-operating biomass cogeneration plants
AM0017
Inactive Date:
September 11, 2023
Steam system efficiency improvements by replacing steam traps and returning condensate
AM0018
Inactive Date:
September 11, 2023
Baseline methodology for steam optimization systems
AM0019
Inactive Date:
September 11, 2023
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
AM0020
Inactive Date:
September 11, 2023
Baseline methodology for water pumping efficiency improvements
AM0021
Inactive Date:
September 11, 2023
Baseline Methodology for decomposition of N2O from existing adipic acid production plants
AM0027
Inactive Date:
September 11, 2023
Substitution of CO2 from fossil or mineral origin by CO2 from biogenic residual sources in the production of inorganic compounds
AM0030
Inactive Date:
September 11, 2023
PFC emission reductions from anode effect mitigation at primary aluminium smelting facilities
AM0031
Inactive Date:
September 11, 2023