When considering carbon credit issuance, separate whether an actual reduction occurred from whether the program’s requirements have been met. Carbon reduction additionality asks what changed compared with the situation without the project. Chapter 4 of Technology and Solutions for Demonstrating Carbon Reduction addresses baselines, additionality, and rights together.
Define the Concept and Scope of Application First
When setting a baseline, specify the comparison period and the conditions governing the data. Selecting only a favorable period or attributing all improvements that were already underway to a new project can overstate additional reductions. First check the requirements of the applicable methodology. In project finance, too, manage expected volumes before eligibility is determined separately from volumes that can be delivered after issuance. Costs and contractual responsibilities in the event of non-issuance must be clear to build a staged financing plan. The existence of a reduction and the right to trade it need to be distinguished.
A carbon credit typically represents a greenhouse gas reduction or removal recognized by a defined program, in units of 1 tCO2e. For livestock methane reduction credits, calculate the difference between the baseline without the project and the project’s emissions. A baseline that cannot be observed must be estimated using appropriate methods and data. Verification therefore does not directly observe a world that never existed; it assesses whether the calculation criteria were applied and whether the data, assumptions, and calculations are sound.
Improving measurement precision does not automatically resolve an unsuitable baseline or double counting. Conversely, even with a sound baseline, reduction volumes are difficult to trust if project-period activity data are poor. The quality of a carbon market can be assessed only by examining measurement, the calculation methodology, and verification responsibilities together.
Carbon markets can be divided according to the purpose of trading: compliance with regulatory obligations and voluntary use. However, the two areas can be connected when a system permits the use of eligible credits. The nature of allowances and reduction credits, and their respective eligibility for use, should therefore be checked separately.
For regulatory review, confirm the legal obligations and actual enforcement conditions under the applicable methodology. Receiving a subsidy does not automatically prohibit credits either. Before a project begins, distinguish public support from possible double support through market revenue, and determine how additionality assessment and reduction rights will be handled.
For common-practice analysis, check the deployment level and comparison group for the relevant region, technology, and project type. When wider deployment affects additionality depends on the methodology and its renewal rules. Since future issuance volumes and prices are not guaranteed, it is safer not to rely on unconfirmed credit revenue as the sole source for essential operating costs.
A baseline is the emissions level that would have occurred without the reduction project. Since the reduction is calculated by subtracting actual emissions from the baseline, the way the baseline is set determines the reduction volume. And a baseline cannot be observed.
A control-group baseline is a method that observes a similar untreated group during the same period. If random assignment, independent replication, and control of confounding factors are secured, this can improve the reliability of the comparison. Simply designating a neighboring farm as the control group does not make it the most reliable baseline.
Conditions and Limits in Field Application
Suppose a feed that has already been in use is to be registered as a new reduction project. The existence of feeding records alone cannot explain additional reductions. Review the starting conditions required by the applicable methodology, existing practices, regulatory obligations, and barriers such as costs. The specific determination depends on the rules of the relevant program and the available data.
Depending on the methodology, leakage is either calculated directly or addressed using a prescribed conservative approach. Not all leakage is handled with a single discount rate. Disclose the sources of emissions included and the criteria for exclusions; if data are insufficient, use sensitivity analysis to show under what conditions the conclusion would change.
To discuss double counting, first distinguish which rights under which accounting system are at issue. Overlap between emissions inventories of different organizations and duplicate issuance or use of the same credit are not the same problem.
Along a value chain, the same emissions may appear in a supplier’s Scope 1, a buyer’s Scope 3, and the Scope 3 inventories of buyers at multiple stages. This overlap arises from differences in organizational boundaries. Each company reports within its own accounting boundary; their inventories are not simply added together to produce a national total. Exclusive rights to reduction credits and claims about their use are managed separately.
For credits, prevent duplicate issuance for the same reduction, duplicate use of the same unit, and incompatible claims of exclusive ownership. Check registry serial numbers, transfer and retirement records, contractual rights, and any required national approvals. The coexistence of inclusion in a national inventory and credit issuance should not be described as categorically prohibited.
Evidence Needed for Investment Review
A business plan should not convert projected reductions directly into a volume of credits that can be sold. Eligibility review, monitoring, verification, issuance, and delivery are distinct stages. Investors need to confirm who is responsible at each stage, the costs, and who bears the burden if issuance is delayed or does not occur.
Additionality, baselines, leakage, and reduction rights must be reviewed for each project; receiving a subsidy or wider deployment does not invariably eliminate issuance eligibility. Conclusions vary with the applicable methodology, renewal conditions, and purchase contract. Before spending project funds, assess the uncertainty in issuance volumes and costs, sale prices, and the timing of revenue together.
Accordingly, a business plan should separate revenue and costs by use. Distinguish confirmed contracts from expected revenue, and check whether operations can continue if credit issuance is delayed or a data contract is not renewed. Even when the same data serve multiple purposes, prevent the duplicate sale of reduction rights and incompatible claims. The sequence recommended by this book is not to treat unverified projections as confirmed revenue.
Criteria to Keep in View
An additionality review is not a procedure for denying the value of a reduction technology. It examines the evidence used to distinguish reductions recognized by a particular system. Separating a technology’s physical effect from the system’s issuance requirements makes the assumptions behind revenue forecasts visible.
About the Author
Bongjun Lee graduated from the Graduate School of Management of Technology (MOT) at Sogang University. He spent seven years at Infitron Co., Ltd. and 20 years at Honeywell, working for a total of 27 years in gas measurement in service engineering, technical sales, and channel management. He is now the founder of AI Safety Korea Co., Ltd., where he is researching livestock methane monitoring and measurement, reporting, and verification (MRV) systems using sensors, AI, and data analytics.