This document sets out the Scheme Rules for participating in the Green Gas Certification Scheme (the Scheme). You can download the Scheme Rules as a PDF here.
These Rules are effective from Friday 1st May 2020, replacing;
A Gas Producer:
Account Holder |
an individual or corporate body, who registers with the Scheme and is provided with access to a secure area of the Registration Database for the purposes of accepting transfers of RGGOs and initiating Transfer Requests and Retirement Requests. |
Book and Claim |
A Book and Claim approach means that trade of an EAC is not linked to the trade of the physical product however rule 10.2 must be applied |
Distribution Network |
a system for transporting gas from a Gas Producer to an End-Use Consumer. Distribution Networks include the NTS, GDN, gas transportation infrastructure operated by IGTs (whether or not connected to the NTS or a GDN) and systems of distribution via bottles and tankers that form a distinct network. |
EAC |
Energy Attribute Certificate (EAC) being a market instrument that is created to represent the renewable and/or sustainable value of a unit of energy generation. Parties purchasing and retiring EACs may make a claim that they have used the renewable energy that an EAC represents. |
End-Use Consumer |
any person who is allocated RGGOs in respect of gas consumed from the same Distribution Network into which the Green Gas that the RGGOs relate to was injected. |
ERGaR |
European Renewable Gas Registry |
GDN |
Gas Distribution Networks being the Local Gas Distribution Zones as defined in TPDA 1.2.2 of the UNC. |
Gas Distribution Network Operator (GDNO) |
as defined in the UNC, a person which is, and in its capacity as, the owner or operator of one or more LDZ(s) and licensee under a Transporter’s Licence authorizing the conveyance of gas through such LDZs. |
Gas Producer |
an individual or corporate body which produces Green Gas |
Gas Supplier |
the holder of a license issued by the Secretary of State pursuant to section 7A(1) or 7A(2) of the Gas Act 1986. |
Green Gas Tariff |
A product offered by a Gas Supplier whereby all or a portion of the Green Gas consumption of End-Use Consumers signed up to that tariff is matched to RGGOs that have been retired and allocated to that tariff. |
IGT |
Independent Gas Transporter. |
Mass Balance |
Mass Balance is a chain of custody where an EAC is linked to the physical product. It is defined by various government and non-governmental guidance documents. Scheme Participants should pay due regard to those documents, for example the Renewable Transport Fuel Obligation Process Guidance published by the UK Government. |
NTS |
National Transmission System. The high pressure gas network which transports gas from the entry terminals to gas distribution networks, or directly to power stations and other large industrial users. |
Oversight Panel |
a panel comprising representatives of Scheme Participants, together with representatives of other stakeholders including consumer and environmental bodies, as appointed by the Scheme Administrator or invited by the Panel. It is chaired by a person independent of the Scheme. |
Production Declaration |
Declarations by Gas Producers regarding the amount of Green Gas they have injected into a Distribution Network based on the volume and calorific value of Green Gas injected. |
REAL |
Renewable Energy Assurance Limited, a wholly-owned subsidiary company of the Renewable Energy Association. |
Registration Database |
the information technology system used to run the Scheme. It keeps a record of the issue of RGGOs, their transfer between Gas Producers and Account Holders and their retirement or expiry. Gas Producers and Account Holders are provided with secure access to areas of the database that are relevant to their participation in the Scheme. |
Retirement Request |
a request by an Account Holder to retire a given number of RGGOs and generate a Retirement Statement |
Retirement Statement |
an electronic file generated automatically by the Registration Database on receipt of a Retirement Request. The statement contains details of the RGGOs and in relation to the Green Gas, the injection date, the technology/feedstock type and its location, the amount, CO2 emissions and the name of the Gas Producer as well as the details of the beneficiary of the RGGOs being an End-Use Consumer or Green Gas Tariff. |
RGGO |
a Renewable Gas Guarantee of Origin issued by the Registration Database for each kWh of Green Gas registered on the Scheme, where evidence has been provided of its injection into a Distribution Network. |
RHI |
the Renewable Heat Incentive, a UK government scheme providing financial support in respect of the generation of heat from renewable sources or any other Government financial incentive scheme to promote renewable heat which confers pecuniary benefit on a Gas Producer, whether or not currently in existence, flowing from the use of Green Gas to provide heating. |
RTFO |
Renewable Transport Fuel Obligation |
Scheme |
the Green Gas Certification Scheme. |
Scheme Administrator |
REAL |
Scheme Participant |
a Gas Producer or Account Holder who is registered to participate in the Scheme and has access to a secure area of the Registration Database. |
Scheme Rules |
the rules governing the Scheme. |
Scheme Website |
www.greengas.org.uk, or any other website which the Scheme Administrator may establish. |
Transfer Request |
a request made via the secure area of the Registration Database by a Gas Producer or Account Holder to transfer RGGOs to an Account Holder participating in the Scheme. Requests can be accepted or rejected by the receiving party. |
UNC |
Uniform Network Code |