Clean energy production on two continents
With more than 15 million inhabitants, Istanbul is the largest city in Turkey and one of the largest in the world. Since 1995 the city's municipal waste is being disposed to two landfills: Kömürcüoda on the Asian side of the city holding more than 30 million tons of municipal solid waste (MSW), covering 44 hectares and disposing of approximately 6,000 tons of MSW daily, and Odayeri on the European side with 55 million tons of MSW on 90 hectares, disposing 13,000 tons of MSW daily.
The purpose of our project is to collect the emitted landfill gas and produce electricity through gas engines coupled with generators. Together, both sites have an installed capacity of 48 MW. The electricity is fed into the national grid, substituting the baseline energy mix which is mainly based on fossil fuels. Excess landfill gas is combusted via a flaring system. Before the project started, waste was deposited and left for decay without any collection or destruction of the gas, which led to massive methane emissions. Landfill gas contains about 50 percent methane, which is a potent greenhouse gas.
Methane is a greenhouse gas emitted by many processes including livestock farming, waste management, sewage treatment, oil production, and coal mining. When released into the atmosphere, it oxidises first to carbon monoxide and then to carbon dioxide, making it a major contributor to global warming. Climate projects avoid these emissions by capturing the gas and using it to generate heat or electricity, or by processing the gas into dry and liquid gas. In this way, the gas is not released into the atmosphere and is used to generate energy instead. Gas recovery projects in the ClimatePartner portfolio are registered with international standards.
TypeReduction
LocationTurkey, Istanbul
StandardGold Standard
TechnologyGas Recovery
Registry ID707
Verified byRe Carbon Ltd.
Validated byTÜV SÜD Industrie Service GmbH
Estimated annual emission reductions818,841 t CO₂
Four criteria for projects to meet quality thresholds
The life cycle of a climate project
A climate project has a set life cycle consisting of various phases, from the feasibility assessment to the retirement of Verified Emission Reductions (VERs).The project developer reviews the general feasibility of the project, the project design, and the financing. Then, the Project Design Document (PDD) is prepared, which contains all the basic information about the project, such as the objective, location, timeline, and duration.
In this phase, independent auditors examine the PDD and the information it contains. This phase often also involves field visits with on-side interviews and analyses. Auditors are accredited, impartial assessors who have to be approved by the relevant standard as a validation and verification body (VVB). TÜV Nord/Süd, S&A Carbon LLC., and SCS Global Services are examples of VVBs."
Once validated, the project can be registered with a standard such as the Verified Carbon Standard or the Gold Standard. All high-quality climate projects are based on international standards. They provide the framework for project design, construction, carbon accounting, and monitoring. Recognised standards make the climate project system and the projects themselves resilient, traceable, and credible.
After the climate project has been registered, the monitoring begins. Here, the project developers monitor and document the data of the project activities and progress. The duration of the monitoring phase varies from project to project: it can cover two years, but documentation over five or seven years is also possible.
At the end of each monitoring phase, a VVB checks and assesses whether the values and project activities stated in the monitoring report are correct. As with validation, visits to the project site are often part of the verification process.
Once verified, the emission reductions that were confirmed in the verification phase can be issued as VERs. The steps of monitoring, verification, and issuance of VERs are repeated regularly and are therefore considered as a cycle.
Once a VER has been used, it must be retired. This process is also reflected in the registry. If the financing of a climate project is done through ClimatePartner, the VERs are bundled in a system certified by TÜV Austria and then retired on a regular basis. This ensures that each VER can no longer be sold and is only used once, preventing double counting.
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