Verra has completed CORSIA Phase 1 eligibility tagging for 639,609 previously issued carbon credits from Base Carbon Inc.’s cookstoves project in rural Rwanda, ESG News reported. The tagging matters for airlines, credit buyers and project investors because it adds a meaningful block of inventory to a compliance market facing a 175 million tonne shortfall of eligible units, and it confirms that re-quantified cookstove projects can convert older voluntary vintages into aviation-grade supply.
What Verra Tagged and Why Now
The registry tagged the credits as eligible for CORSIA’s first phase, which covers 2024 to 2026. The batch brings total CORSIA-eligible volume from the Rwanda project to 1,959,812 credits, ESG News reported.
The tagging was announced on September 28, 2026, carboncredits.com reported. It follows an earlier round in July, when Verra tagged 342,356 credits and lifted Base Carbon’s eligible inventory to about 1.1 million. The cadence is deliberate: the company is building a pipeline of tagged inventory as airlines approach their first major CORSIA compliance cycle.
Base Carbon is Toronto-based and trades on Cboe Canada as BCBN and on OTCQX as BCBNF, Stock Titan reported. The company said it is engaged in multiple carbon credit sale processes, though eligibility for future credits remains an expectation rather than a completed tagging.
The Project Behind the Credits
The credits originate from the Rwanda Cookstoves Project, developed with project operator DelAgua Group. Base Carbon allocated $8.8 million to finance the distribution of approximately 250,000 fuel-efficient cookstoves to rural Rwandan households, with distribution completed in late 2022, ESG News reported.
The project was re-quantified under Verra’s updated VM0050 methodology, titled Energy Efficiency and Fuel-Switch Measures in Cookstoves, after Verra approved the methodology change in 2025, carboncredits.com reported. The revised project is expected to yield approximately 4.6 million credits over its full crediting period, with roughly 2.6 million additional credits expected in bi-annual tranches.
“DelAgua’s consistent operational expertise and execution of the project continue to strengthen our market position, with CORSIA-eligible inventories available to meet aviation compliance demand,” said Michael Costa, Chief Executive Officer of Base Carbon.
A 175 Million Tonne Supply Gap
The tagging lands in a structurally short market. The International Air Transport Association projects first-phase CORSIA demand at 213 million tonnes of CO2, with annual demand escalating from roughly 56 million tonnes in 2024 to 126 million tonnes in 2025 and reaching 213 million tonnes by 2026, ESG News reported.
Eligible supply stands at just 38 million tonnes, leaving a deficit of about 175 million tonnes. The bottleneck stems from rules set by the International Civil Aviation Organization: to qualify, credits must carry explicit host-country approval with corresponding adjustments under Article 6 of the Paris Agreement to prevent double counting. ICAO has approved eight emissions-unit programs for the first phase, including Verra’s Verified Carbon Standard, Gold Standard and American Carbon Registry, carboncredits.com reported.
European demand alone is projected at 29 million credits, nearly 70% of total globally tagged Phase 1 supply, following the European Commission’s proposal to embed CORSIA into EU law through 2035. CORSIA-eligible units already command a premium: the spot price of the ICE Dec-26 CP1 futures contract jumped 39% after the European regulatory clarifications, ESG News reported.
“The European Commission’s proposal provides an important validation for CORSIA and, we believe, meaningful clarity on the long-term demand for high-integrity aviation compliance credits,” Costa said.
Rwanda Builds Its Carbon Market Around the Deal
The host country is scaling its carbon market infrastructure in parallel. Rwanda launched its carbon market framework in 2023 and the Rwanda Environment Management Authority (REMA) has registered 29 projects spanning land conservation, agriculture, forestry, electric mobility, waste management and renewable energy, The Eastleigh Voice reported.
The government has generated about $1.5 million from carbon credit sales so far, with a percentage flowing to government coffers, REMA Deputy Director-General Faustin Munyazikwiye said on September 16. Current credit prices in the country range from about $14 to $45 per tonne. Rwanda will host the Carbon Markets Africa Summit in Kigali on October 13-15, 2026.
For developers, the Rwanda case shows how host-country authorization, a precondition for CORSIA eligibility, converts into monetizable supply. For buyers, it illustrates why Article 6 paperwork now determines which credits can serve compliance demand at all.
What Buyers and Investors Should Watch
Three markers stand out. First, whether the roughly 2.6 million additional credits expected from the Rwanda project in six-month tranches secure the same CORSIA tagging, which Base Carbon currently frames as an expectation, Stock Titan reported.
Second, pricing. With a 175 million tonne gap and European airlines absorbing most tagged inventory, further regulatory clarity from Brussels or ICAO could extend the premium already visible in the CP1 futures curve.
Third, host-country throughput. CORSIA eligibility depends on Article 6 corresponding adjustments, so the pace at which Rwanda and other host governments process authorizations will define how much of the 4.6 million credit pipeline actually reaches aviation buyers.
