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STP, liable entities and scheme mechanics

What is the REC Registry?

Short answer

The REC Registry is the Clean Energy Regulator's online system where renewable energy certificates (STCs and LGCs) are created, validated, held, transferred and surrendered. Every STC exists as a record in it, and a sale is a transfer between accounts.

Written and checked by the Energy Merchants desk · Reviewed 3 October 2026 · For installers and homeowners

Think of the REC Registry as the land titles office for renewable energy certificates. A certificate only exists once it is a record there, and ownership only changes when the record is transferred.

What happens in the registry

  1. Creation. A registered person or agent enters the system details and creates the STCs, with a declaration. This is the “registered” step.
  2. Validation. The CER checks the claim. STCs can be marked as passing automatically, pending audit, or failed.
  3. Transfer. Once validated, the certificates are transferred to the buyer’s account, which is a trader, or ultimately a retailer. Payment is separate from the transfer.
  4. Surrender. Liable entities surrender STCs to the CER to meet their obligation, which removes them from circulation.

Account types

Account What it does
General Holds and transfers certificates
Registered person Creates STCs for your own systems
Registered agent Creates STCs on behalf of system owners

The CER charges for registered accounts and a per-certificate creation fee; the figures are on what registering yourself costs. Most installers never log in, because they assign the right to create STCs on the signed assignment form and their trader does the registry work. See the STC assignment form.

Registered and unregistered

You will hear traders quote different rates for “registered” and “unregistered” STCs. Registered STCs are already in the registry; unregistered are those still to be created, which a buyer takes on risk for, since the claim might fail. See the best price for each.

What this means for installers

You do not need a login to be paid for STCs, but you should know the status words you will see on a trader’s dashboard: pending, validated, failed, audit. The registry is also where mistakes surface. A wrong serial number, a missing photo or an ineligible product can cause a failure, delay or later clawback. See why STC claims are rejected.

From the desk If a trader says your certificates are "in the registry", ask which status: created, validated or transferred. They are three different stages, and only one means the money should be moving.

For the commercial route, the STC trading pillar explains what a registered agent does, and how it works shows how we handle the registry steps. Terms are defined in the certificate trading glossary.

Why the status words matter

A certificate that is pending audit has not failed, but it may not be transferable until the CER finishes. A failed one has been rejected and needs a fix and resubmission. Knowing the difference stops you panicking on a pending status or assuming a validated one is already paid. Ask your trader for a plain-English status list on day one.

Follow-up questions

People also ask

Do I need a REC Registry account to sell STCs?
Not if you assign the right to create STCs to a registered agent. You need a registered person account only if you create STCs yourself, and a registered agent account if you do it for others.
What are the account types?
General (hold and transfer), registered person (create for your own systems) and registered agent (create on behalf of others). Fees differ by type.
What do 'registered' and 'unregistered' STCs mean?
Registered STCs have been created in the registry and are awaiting validation or have been validated. Unregistered STCs are not yet created, so a trader buys them subject to the claim clearing.

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