Environmental Engineering Reference
In-Depth Information
The producer enters information about a biomethane amount or
production facility.
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An independent auditor checks and validates the producer's statements
and hands in the expert report as proof.
.
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A formal check is conducted by the biogas register to ensure proper
functioning.
As a first step, the producer enters the produced amounts or a new
production facility into his own accounts. The amounts are then in an
incomplete status (grey) as neutral checking has not yet taken place.
Nevertheless, the amounts entered can be split and transferred to the
accounts of the producer's trading partners and customers. A neutral
auditor then checks production and facilities according to the list of criteria
issued by the Biogasregister Deutschland (dena, 2012b). The auditor issues
a guarantee of origin, quality and quantity and enters it in the Biogas
register. Amounts with activated criteria change to full status (green) inside
the register and can now be removed from the register. Final consumption
of the biogas is documented by generation of a final biogas account
statement, the Biogasregister-Auszug. In this step, the 'green' amount is
inactivated (status switches to red) and it cannot be split or transferred any
further.
The account statement lists all relevant information regarding quantities,
origin, activated criteria and the points of entry and exit of the gas grid.
Declaration of the intended purpose makes double accounting on parallel
applications impossible (e.g. motor fuel and CHP). The recipient can tell by
the documented criteria which markets can be addressed with this biogas
amount and which special support bonuses can be claimed.
The German biogas register's catalogue of criteria is designed to be
extensible; this enables flexible adaption to new national laws or for
inclusion of other countries support standards. At the time of writing (2012),
the list of criteria was extended for the first time due to a change in German
biogas support laws. On the way to international markets, the criteria of
new countries need to be distilled from the countries support schemes or
market needs, and then added to the list. After incorporating these new
criteria into the register, the new market can also be addressed.
The Dutch Vertogas scheme was established in 2009 by the public Dutch
gas grid operator company Nederlandse Gasunie NV. Plans exist to make
use of Vertogas compulsory to biomethane support schemes under public
law.
Vertogas' mode of operation is similar to that of Biogasregister
Deutschland. A first audit is needed to completely register the facility
before enabling accounting of amounts. All registered amounts are checked
by neutral auditors. The transfer of amounts between trading parties is done
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