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How do I switch STC trader mid-month or move STCs between traders?

Short answer

You can switch trader at any point by assigning new jobs to the new one, because assignment is per job. Claims already lodged stay with the old trader until they settle, and certificates already in a trader's registry account are moved only by a registry transfer that both parties agree.

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

Calendar months do not matter to the scheme. What matters is where each job is in its life and what your contract says about leaving.

Sort the jobs into three groups

Not yet lodged. For these jobs, assign the certificates to the new trader. If the customer has already signed an assignment form naming the old trader, you will need a corrected form or the customer’s fresh signature. See cancelling an STC assignment.

Lodged and unpaid. Leave these with the old trader. Chase them to settlement and keep your records. If payment slips, see what to do if a trader owes you money.

Paid. Nothing to move. The money is yours; just remember any clawback terms in the old contract still apply.

Moving certificates already in the registry

If certificates have been created and sit in a trader’s registry account, they move only by a registry transfer. That requires the holder to agree to it. In practice this is rare; most installers simply let existing claims run to payment and put new jobs through the new trader. Do not assume a transfer is possible without asking.

Check the contract before you move

  • Notice period. Some terms require 30 days or more.
  • Minimum volume or exclusivity. See using two STC traders.
  • Open claims. Whether the clauses survive after you leave.
  • Rate locks. Whether a lock on an open claim stands.
From the desk: overlap, do not cliff-edge. Keep the old trader for jobs already in flight and send the next ones across.

Avoid a payment gap

The risk is a stretch with nothing arriving. Plan it: lodge the last jobs with the old trader a few days before you change, and expect the first claim at a new trader to take a little longer. At Energy Merchants, the first claim for a new partner clears in 48 to 72 hours while we verify your details, then established partners move to 24-hour settlement.

What this means for installers

Make a short list: jobs in flight, jobs about to be lodged, notice terms. Then send a test claim to the new trader. Our switch page shows the steps, the onboarding checklist lists what to have ready, and the pricing page has today’s rate. When you are set, start trading.

Follow-up questions

People also ask

Do I need to finish the month before switching?
No. Month ends matter only if your contract has notice periods or minimum volumes. Check them before you move.
Can I take back STCs already assigned?
Only by agreement with the trader, or under contract rights if it has not paid. See cancelling an STC assignment.

Got a claim to lodge this week?

Sign up today. Your account manager calls with your rate card and your first claim can be settled within days.

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