Montenegro–Italy Interconnector Faces New CBAM Test for Renewable Power Exports

By J.L.
7 Min Read

PODGORICA/ROME, Oct. 22, 2026 – Montenegro’s direct electricity connection with Italy offers one of the Western Balkans’ most visible routes into the EU power market. However, the definitive Carbon Border Adjustment Mechanism (CBAM) has introduced a critical commercial question for renewable energy developers and electricity traders: whether exported megawatt-hours can qualify for lower carbon-accounting treatment under EU law as well as generate revenue in the power market.

The Montenegro–Italy high-voltage direct-current interconnector, operating through the transmission-system arrangements of CGES and Italy’s Terna, is listed by Terna as 445 kilometres long, with a capacity of 600 MW, in its end-2025 geographical overview. The connection expands trading opportunities for Montenegro’s electricity system, which combines hydropower, wind and coal-fired generation. Its technical capacity does not, however, guarantee that commercial transmission capacity will be available in every hour.

Electricity imported into the EU falls within CBAM unless a legal exception applies. The European Commission published a Q3 2026 CBAM certificate price of €82.32 per tonne of CO₂ equivalent. For electricity, the resulting liability depends on official default emissions expressed in tonnes of CO₂ equivalent per megawatt-hour or verified actual emissions under narrowly defined conditions.

An exporter claiming that electricity originated from a Montenegrin wind farm must demonstrate the required power purchase agreement (PPA), grid and transmission evidence, hourly matching and verification. The generation technology alone is insufficient.

The contractual route must match the carbon-accounting route

A wind or solar project may sell electricity to a domestic buyer, regional trading company or retailer that subsequently delivers power towards Italy. Such arrangements can be commercially viable under ordinary electricity-market rules, but CBAM’s current provisions for actual emissions impose additional requirements.

These include a qualifying contractual relationship between the EU authorised declarant and an identified non-EU generator, together with evidence that accepted cross-border capacity nominations correspond to electricity generation over intervals of no longer than one hour.

The European Commission’s COM(2025)989 proposal would permit certain intermediary PPA arrangements where the contractual chain can be verified and would revise other elements of the electricity methodology. The proposal has not been adopted. Business plans assuming that all sleeved or exchange-traded electricity can receive actual-emissions treatment in 2026 therefore face regulatory and financial uncertainty.

Montenegro’s evolving generation portfolio creates both export opportunities and operational risks. Additional wind and solar capacity could increase the supply of potentially low-emission electricity available for export. Hydropower output, however, depends on rainfall and reservoir conditions. Drought can change domestic dispatch and the balance between exports and imports, while transmission constraints, day-ahead price differentials, balancing exposure and interconnector outages also influence export earnings.

Hourly emissions evidence can change project economics

Consider an illustrative export tranche of 50,000 MWh assigned chargeable emissions of 0.4 tCO₂e/MWh. This would represent 20,000 tonnes of CO₂ equivalent and gross certificate exposure of €1.646 million at a price of €82.32 per tonne, before any legally applicable adjustments.

The calculation is not an official emissions factor for Montenegro and does not establish the liability of any specific transaction. It illustrates how a project relying on a relatively narrow Italian market-price premium could become uneconomic if the importer has to use high default emissions values.

For lenders assessing new Montenegrin renewable projects, financial models should distinguish ordinary domestic and regional electricity sales from exports represented as CBAM-qualified. Relevant documentation includes the acquiring trader, authorised EU declarant, PPA provisions, metering systems, TSO nomination files, settlement adjustments and the independent verifier’s data requirements.

A project may remain bankable on conventional electricity-market revenues even if the additional CBAM benefit is too uncertain to support financing.

Carbon-market reform does not guarantee electricity eligibility

The EU agreement on Oct. 20 to increase the market stability reserve’s allowance invalidation threshold to 700 million could influence longer-term carbon-price scenarios. It does not change Montenegro’s interconnector capacity or automatically make exported electricity eligible for actual-emissions treatment.

Carbon prices, electricity-market spreads and the technical evidence required for CBAM claims must therefore be modelled as separate risk factors.

The interconnector’s commercial value also depends on the direction of electricity flows. Montenegro may export when regional renewable output is strong and Italian prices support deliveries, but it may need to import electricity when hydropower reservoirs are depleted or domestic thermal units are unavailable.

CBAM treatment of electricity entering the EU affects the economics of exports from Montenegro to Italy. It should not automatically be applied in the same way to electricity flowing in the opposite direction, from Italy into Montenegro. A robust project model should use separate seasonal and hourly import-export scenarios, accounting for line maintenance and restrictions on allocated capacity.

Ownership of generation does not guarantee access to transmission capacity

Project developers must distinguish their contractual rights from those held by electricity traders and transmission-system operators. Owning a wind farm in Montenegro does not provide unrestricted access to the interconnector.

Physical scheduling, transmission-capacity procurement and customs-related declarations may involve several independent entities. Before lenders recognise an assumed CBAM benefit in a project’s valuation, they should examine the executed agreements and the operational process for collecting and reconciling evidence.

A premium dependent on potential regulatory reform is less bankable than one supported by a documented and tested export chain under rules already in force.

For Montenegro, the opportunity lies in developing a differentiated export product: electricity linked to an identified generating installation, a credible physical and contractual delivery route, and an audit-ready allocation of every claimed megawatt-hour. The 600 MW underwater interconnector provides access to Italy; the quality of the contractual and verification chain will determine whether that access can deliver a sustained low-carbon trading advantage.

Share This Article
error: Content is protected !!