Hydropower, Bahia, Brazil
Bereits seit 1985 gibt es ein Wasserreservoir am Fluss Paraguaçu für die Wasserversorgung von Salvador da Bahia. Es schützt zudem die historischen Orte Cachoeira und São Félix vor Überschwemmungen. Nun wird es ohne größeren Aufwand und, vor allem, ohne extra Bau eines Staudamms auch zur Stromerzeugung genutzt: Mit 105 Metern Fallhöhe speist es zwei Francisturbinen mit insgesamt 162 MW Kapazität. Gerade hier im ärmeren Nordosten Brasiliens hat es neben dem Klimaschutz weitere Vorteile für die Anwohner und ihre Infrastruktur. Da Energie aus Wasser ohne fossile Brennstoffe erzeugt wird, gilt sie als emissionsfrei. Der Ausbau erneuerbarer Energieerzeugung ist essenziell, um die globale Erwärmung aufzuhalten und langfristig die Energieversorgung zu sichern.
Hydropower plants use the energy of water to generate electricity. The energy is harnessed by passing water through a turbine. Under the pressure of the water, the turbine turns and transfers this energy to a generator, which converts kinetic energy into electricity. This principle applies to all types of hydroelectric power plants: from small run-of-river power plants to pumped-storage power plants on bodies of water like lakes. In many parts of the world, electricity is still primarily generated from fossil fuels. Clean hydropower can replace some of this emission-intensive energy and thus verifiably save carbon emissions. In most hydropower projects, the electricity is fed into a regional power grid, diversifying the energy supply and improving energy security in areas affected by power shortages and blackouts. Often, these projects also create jobs for the local population. Hydropower projects thus make an important contribution to clean energy supply as well as contributing to the UN Sustainable Development Goals (SDGs). Hydopower projects in the ClimatePartner portfolio are registered with international standards.
TypeReduction
LocationBrazil, Bahia
StandardCDM
TechnologyHydropower
Registry ID693
Verified byBureau Veritas Certification Holding SAS
Validated byDNV Climate Change Services AS
Estimated annual emission reductions59,485 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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