Serbia has amended its domestic carbon-tax framework, changing provisions affecting investment credits for electricity producers and establishing the timetable for the first regular filing period covering 2026.
The changes to Serbia’s domestic carbon tax and levy on carbon-intensive imports entered into force following amendments reported by Carbon Pulse on 16 September. They concern national taxation and relief mechanisms and do not amend the European Union’s Carbon Border Adjustment Mechanism (CBAM) regulation.
The consolidated greenhouse-gas tax legislation incorporates amendments published in Official Gazette 80/2026, including conditions applicable to electricity producers seeking qualifying investment treatment.
Electricity producers face eligibility conditions
To qualify under the relevant provisions, an electricity producer must meet conditions including operating a predominantly electricity-related business, assessed using an 80% revenue test, as well as complying with applicable state-aid requirements.
The investment-credit provisions refer to 20% of qualifying investment expenditure, subject to the limitations established by the legislation.
The figure should not be treated as an unconditional 20% reduction in the carbon-tax liability of every electricity producer. Eligibility depends on the statutory conditions and the expenditure that qualifies under the framework.
First 2026 filings scheduled for April-May 2027
The initial filing arrangements place the first regular reporting window for 2026 in April-May 2027.
Transitional provisions also cover specified circumstances in which a taxpayer’s activities cease. The applicable circumstances of each taxpayer therefore remain relevant when determining the filing timetable.
For companies affected by the changes, compliance work will include separating eligible investment expenditure, carbon-tax calculations and supporting state-aid documentation.
A project budget alone does not establish that every item of expenditure qualifies for the investment credit.
Domestic relief remains separate from foreign carbon costs
Export-oriented companies also need to distinguish the outcome of Serbia’s domestic carbon-tax system from any treatment of carbon costs in another jurisdiction.
The nominal Serbian tax rate and the amount ultimately borne after available relief can therefore represent different figures when companies assess their overall carbon-related costs.
The amendments provide changes and clarification within Serbia’s domestic compliance framework, while the financial effect will depend on each taxpayer’s eligibility and ability to substantiate the relevant relief.
For businesses incorporating the provisions into pricing and investment-return calculations, the key issue is whether the expected tax treatment can be supported by the required evidence.
