In this article
- The two annual deadlines
- The annual close and the saving limit
- One-off deadlines for the transition to EREs
- 1 January 2027: end of the MID transition year
- The timeline in one overview
- What this means for your planning
- Frequently asked questions
The two annual deadlines
Before 1 March, you register the fuel deliveries and electricity supplied to transport from the previous calendar year in the REV.
Before 1 April, obligated parties must hold enough EREs in their REV account to meet the fuel transition obligation (BTV).
The two belong together. You use the month in between to top up shortfalls or sell surpluses: whoever has too few EREs buys more; whoever has extra can sell.
The annual close and the saving limit
After the annual close on 1 April, EREs above the saving limit (the maximum number of EREs you may carry into the next year) expire. So saving is possible, up to that limit.
Restrictions also apply between sectors. EREs built up in one sector cannot simply be used in another. You cannot, for instance, use an ERE-E for the land sector (LRE-E) in another sector.
One-off deadlines for the transition to EREs
Two dates belong specifically to the transition from Renewable Fuel Units (HBEs) to EREs. They will not recur.
On 1 January 2026, the ERE system replaced the HBE system, as part of the introduction of RED III.
On 1 May 2026, the NEa converted saved HBE-Other balances into ERE-Other by multiplying them by 46. That is a one-off conversion factor; it does not apply to new ERE registrations. Read more in HBE vs. ERE.
1 January 2027: end of the MID transition year
A transition year applies to businesses that registered before 2026 (when it was still HBEs) with an external MID meter. From 1 January 2027, the NEa also requires them to have an MID-certified meter in the charge point, or an exclusively metered allocation point.
No transition year applies to private individuals. Read more in MID meter and charge point.
The timeline in one overview
| Date | What needs to happen | For whom |
|---|---|---|
| 1 January 2026 | ERE system replaces HBE system | everyone |
| 1 May 2026 | Saved HBE-Other balances × 46 into ERE-Other (one-off) | account holders with saved HBE balances |
| Before 1 March (annually) | Register previous calendar year's deliveries in the REV | registrants and obligated parties |
| Before 1 April (annually) | Enough EREs in the REV account | obligated parties |
| 1 April (annually) | Annual close; EREs above the saving limit expire | all account holders |
| 1 January 2027 | End of MID transition year: full metering requirement applies | businesses that registered before 2026 with an external meter |
What this means for your planning
Do not wait until just before the annual deadlines to register and trade EREs. The administration for the whole calendar year has to be complete. Arrange the right metering and data connection in good time.
Want to know how to claim EREs and what you need to arrange for that? ERE registration covers exactly which steps you go through, and how Voltico can help.
What Voltico does for you here
Voltico tracks the 1 March and 1 April deadlines for you, and makes sure your metering and data connection are in order well in time. You do not have to keep your own annual calendar to avoid missing anything.