Redemption refers to the permanent removal of an EAC or other environmental commodity from circulation in a registry. This means it represents a single renewable energy claim, and cannot be subsequently transferred or resold. It is also known as cancellation or retirement depending on the region.
In most markets, yes. The three terms describe the same registry action but are used in different jurisdictions and standards. Redemption appears in some European contexts. Cancellation is the term used across most European registries. Retirement is more common in North American voluntary markets and under the I-REC standard.
Only the registry account holder where the EAC currently sits can redeem the certificate. In practice, this is the final buyer of the EAC or a representative acting on behalf of an end consumer making a renewable energy claim.
Once a certificate is redeemed in the registry, a cancellation statement is generated to confirm the certificate has been used for a renewable energy claim and cannot be reused. This statement typically records the beneficiary (the entity making the claim), the consumption period the EAC is being applied to, and in some markets the country and end-use purpose.
No. The irreversibility is what guarantees a single MWh of renewable generation can only be claimed once, which is the foundation of the entire EAC market.
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Redemption (of a certificate)
