
Same project type, up to 5× the price
Improved cookstove credits range from commodity-cheap to genuine premium. Sylvera Ratings show which projects command the higher price — and the quality that justifies it.



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The clearest quality premium in the market
A CORSIA-eligible, BBB-rated cookstove project commands around $20 per credit, against a market average of $4.54 — close to a five-fold difference for the same project type. Few categories show the value of quality so plainly.
That spread is the whole argument for diligence. Two cookstove credits can look identical on a registry and differ by 5× in price because one holds up to scrutiny and the other does not. A rating is how you know which you are buying.

The fastest-growing category by issuance
Cookstoves grew to 26% of all new issuances in Q1 2026, the fastest-growing category by volume. More supply means more choice — and a wider gap between the best and worst projects.
Post-2023 methodology reforms have made buyers appropriately quality-anxious. Reforms improved the category’s credibility overall, but they also mean older and newer credits are not equivalent, and the differences reward buyers who look closely.

What drives a cookstove credit’s quality
Sylvera holds proprietary biomass data on more than 48 million trees, making it the most credible independent source on ARR quality. That measurement depth is the difference between estimating a project’s carbon and verifying it.
Usage and adoption
Whether stoves are actually used as assumed, the single biggest driver of real impact.

Emission factors and methodology
Whether the project uses conservative, current assumptions rather than generous legacy ones.

Additionality and over-crediting risk
Whether claimed savings reflect reality on the ground.

CORSIA eligibility
Confirmed at the project level for buyers with compliance needs.

Questions buyers ask
It depends heavily on the project. Post-2023 methodology reforms raised the bar, but quality still varies widely — which is why a top-rated, CORSIA-eligible cookstove credit can trade at roughly 5× the market average. The category is not uniformly good or bad; the individual project is what matters.
Because quality varies so much. A BBB-rated, CORSIA-eligible cookstove project commands around $20 per credit versus a $4.54 market average, largely reflecting differences in stove usage assumptions, emission factors, and methodology rigor. Price follows integrity.
Sylvera rates individual cookstove projects on the AAA to D scale rather than the category overall. Given the wide spread in this category, the rating is what tells you whether a specific credit belongs in the premium tier or not.
The market average is about $4.54 per credit, but a CORSIA-eligible, BBB-rated project commands around $20 — nearly five times as much. The average alone is misleading here, because it blends very different levels of quality.

